1-chloro-2,3-epoxypropane (CAS 106-89-8) — Safety Data Sheet
IARC Group 2A — Probably carcinogenic to humans
CAS: 106-89-8 | IARC source
Safety data sheet documentation for 1-chloro-2,3-epoxypropane (CAS 106-89-8), compiled to REACH Annex II with classification read against the harmonised entry in CLP Annex VI (H226, H350, H331, H311). Two options: a working draft sent by e-mail immediately, or a signed card issued within 72 hours of complete input. The item supplied is a document — MolGod.org does not sell, supply or ship chemical substances.
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Section 9 — physicochemical properties: 12 of 22 established.
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Identity, structure, physical and chemical properties, analytical data and the literature — every value with the source it came from and the date that source was read. The full record is in the data sections further down this page.
Identity CAS · EC · IUPAC · synonyms · molecular formula · molecular weight
Structure 2D · 3D · SMILES · InChI · InChIKey
Physical melting point · boiling point · density · vapour pressure · solubility
Chemical reactivity · stability · incompatible materials
Analytical spectra and methods where available
References literature, with DOI where a DOI exists
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Pictograms and signal word
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Document status revision date and the amendment in force when issued
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A digital PDF safety data sheet in the sixteen-section structure of REACH Annex II (Regulation 1907/2006).
Substance identification, hazard classification, physicochemical, toxicological and ecological information, and regulatory references.
Classification read against the harmonised entry in CLP Annex VI where one exists for the substance.
A version number, a compilation date, and the source behind each value that carries one.
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What this is not
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What is in the buyer pack
Everything your compliance officer will ask for, in one file.
The product page as PDF — the record as published, so what you forward matches what you read.
The safety data sheet at your entitlement level — sixteen sections in the order set by REACH Annex II, for this substance, in the language you select.
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The specification, and the certificate of analysis where batch data exists.
sources.txt — every citation with the date it was read.
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These switch the language of this page. Single substances. Mixtures on enquiry. One document, one language — additional languages are priced separately. Every version, including the Chinese one, is written to EU law — (EC) No 1907/2006 (REACH) Annex II and (EU) 2020/878 — and translated from it. The Chinese version is a reference translation, not a legally valid document for the Chinese market: an SDS for China must be compiled separately to GB/T 16483 and GB/T 17519.
3D model Epichlorohydrin, CAS 106-89-8, molecular formula C3H5ClO, molar mass 92.52 g/mol
Data transcribed from regulatory registers and technical literature, with the source and edition stated. It does not replace the supplier's safety data sheet. Fields without a recorded source are marked as such.
📊 Physicochemical data — CAS 106-89-8
📊Physicochemical properties
Quick Reference
Formula:C3H5ClO
MW:92.52 g/mol
CAS:106-89-8
Appearance:Colorless liquid
Odour:Odor is sweet, pungent or chloroform-like; generally perceived as a slightly irritating chloroform-like odor
🔬 Advanced Properties
Chemical Identifiers
SMILES:C1C(O1)CCl
Last updated: 2026-08-25
📐Physical & Chemical Properties (DB)
4 fields MolGod Score: No source
PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗
applies to: Molecular formula · Molecular weight · LogP (lipophilicity) · IUPAC name · SMILES · InChIKey
NIST. Chemistry WebBook, SRD 69. National Institute of Standards and Technology. ↗
applies to: Boiling point
Canela-Xandri A, Balcells M, Villorbina G et al.. (2020). "Preparation and Uses of Chlorinated Glycerol Derivatives.". Molecules (Basel, Switzerland). https://doi.org/10.3390/molecules25112511
Yadav, Ganapati D., Kulkarni, Mandar G.. (2017). "Selective synthesis of 1-(1-naphthyloxy)-2,3-epoxypropane from 1-naphthol and epichlorohydrin under solid–liquid phase transfer catalysis: a waste min
Gidwani B, Vyas A. (2014). "Synthesis, characterization and application of epichlorohydrin-β-cyclodextrin polymer.". Colloids and surfaces. B, Biointerfaces. https://doi.org/10.1016/j.colsurfb.2013.09
db:pubmed
Canela-Xandri A, Balcells M, Villorbina G et al.. (2020). "Preparation and Uses of Chlorinated Glycerol Derivatives.". Molecules (Basel, Switzerland). https://doi.org/10.3390/molecules25112511 →
db:semantic_scholar
Dowtm Epichlorohydrin. (2019). "Epichlorohydrin.". Veterinary and human toxicology. https://doi.org/10.1002/0471743984.vse2991 →
db:core
Yadav, Ganapati D., Kulkarni, Mandar G.. (2017). "Selective synthesis of 1-(1-naphthyloxy)-2,3-epoxypropane from 1-naphthol and epichlorohydrin under solid–liquid phase transfer catalysis: a waste minimization strategy". https://doi.org/10.1007/s10098-016-1307-8 →
db:pubmed
Gidwani B, Vyas A. (2014). "Synthesis, characterization and application of epichlorohydrin-β-cyclodextrin polymer.". Colloids and surfaces. B, Biointerfaces. https://doi.org/10.1016/j.colsurfb.2013.09.035 →
This substance is subject to regulatory requirements: hazardous waste management (BDO — national rule, Poland). Details in the \"Regulatory Status (REACH/ECHA/CLP)\" section and on the SDS. Regulatory information — does not restrict purchase in this store.
🧮 Stoichiometry Calculator
🧪 Chemical Data
CAS Number
106-89-8
Molecular formula
C3H5ClO
Molar mass
92.52 g/mol
IUPAC name (EN)
2-(chloromethyl)oxirane
SMILES
C1C(O1)CCl
InChIKey
BRLQWZUYTZBJKN-UHFFFAOYSA-N
📚 Related literature (1 article)
Matched automatically from public bibliographic databases by text similarity. Not curated for this substance, and not part of the safety data sheet.
PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗
applies to: PubChem CID · InChIKey · InChI · SMILES
ECHA. EC Inventory — EINECS, ELINCS, NLP and List Numbers assigned under REACH. Helsinki: European Chemicals Agency. ↗
applies to: EC Number
ChEMBL. European Bioinformatics Institute (EMBL-EBI), bioactivity database. ↗
applies to: ChEMBL
ChemSpider. Royal Society of Chemistry, chemical structure database. ↗
applies to: ChemSpider
Further reading
Publications thematically related to this CAS. They are not the source of any value shown on this card.
Extended Bibliography (1)
★★☆☆☆CROSSREF🔓 OPEN❓ unverifiedLee, Hee-Yoon, Sampath, Vasu, Yoon, Yeokwon. 2009. "A Facile Total Synthesis of
All Stereoisomers of Tarchonanthuslactone and Euscapholide from
Chiral Epichlorohydrin." Synlett 2009 (02): 249-252. https://doi.org/10.1055/s-0028-1087524.link[accessed: 2026-08-25]
📡 Spectroscopy — CAS 106-89-8
NMR spectroscopy — source records
Earlier NMR results on this page remain available: Live Spectra (NMRShiftDB card).
Structure identity: BRLQWZUYTZBJKN-UHFFFAOYSA-N
For each record: MolGod’s status line, then the source record (as retrieved by MolGod), then MolGod’s own checks.
Experimental NMR
¹H NMR
¹H NMR — Experimental (measured); conditions reported by the source: solvent, temperature, spectrometer frequency — nmrshiftdb2:spectrum:80129329
δ (ppm)
Assignment (atoms)
Multiplicity
Assignment quality
2.85
H4 H5
not reported by the source
group
2.588
H1
not reported by the source
exact
2.111
H2 H3
not reported by the source
group
1.894
H2 H3
not reported by the source
group
Source
nmrshiftdb2
Spectrum ID
80129329
Solvent
benzene
Temperature (K)
298
Frequency (MHz)
500
Publication
not reported by the source
Method
Source measurement type: not declared
Retrieved
2026-09-30T01:44:17Z
MolGod verification
experimental candidate by rule NMR-MEASCALC-1
Assignments
exact 1, group 3
¹³C NMR
¹³C NMR — Experimental (measured); conditions reported by the source: solvent, temperature, spectrometer frequency — nmrshiftdb2:spectrum:80129330
δ (ppm)
Assignment (atoms)
Multiplicity
Assignment quality
50.901
C1
D
exact
46.112
C2
T
exact
45.22
C3
T
exact
Source
nmrshiftdb2
Spectrum ID
80129330
Solvent
benzene
Temperature (K)
298
Frequency (MHz)
500
Publication
not reported by the source
Method
Source measurement type: not declared
Retrieved
2026-09-30T01:44:17Z
MolGod verification
experimental candidate by rule NMR-MEASCALC-1
Assignments
exact 3
NMR deposited as experimental — measurement details incomplete
The source lists these spectra as experimental but does not report all measurement details; each spectrum states what is missing. Chemical shifts below come from the source record and are not reconstructed.
¹H NMR
¹H NMR — Deposited as experimental; the source reports no measurement details (solvent, temperature, spectrometer frequency not reported) — nmrshiftdb2:spectrum:20105295
δ (ppm)
Assignment (atoms)
Multiplicity
Assignment quality
2.65
H2 H3
not reported by the source
group
2.85
H2 H3
not reported by the source
group
3.2
H1
not reported by the source
exact
3.53
H4 H5
not reported by the source
group
Source
nmrshiftdb2
Spectrum ID
20105295
Solvent
not reported by the source
Temperature (K)
not reported by the source
Frequency (MHz)
not reported by the source
Publication
not reported by the source
Method
Source measurement type: not declared
Retrieved
2026-09-30T01:44:17Z
MolGod verification
experimental candidate by rule NMR-MEASCALC-1
Assignments
exact 1, group 3
¹³C NMR
¹³C NMR — Deposited as experimental; the source reports no measurement details (solvent, temperature, spectrometer frequency not reported) — nmrshiftdb2:spectrum:10059936
δ (ppm)
Assignment (atoms)
Multiplicity
Assignment quality
44.92
C3
T
exact
46.78
C2
T
exact
51.17
C1
D
exact
Source
nmrshiftdb2
Spectrum ID
10059936
Solvent
not reported by the source
Temperature (K)
not reported by the source
Frequency (MHz)
not reported by the source
Publication
not reported by the source
Method
Source measurement type: not declared
Retrieved
2026-09-30T01:44:17Z
MolGod verification
experimental candidate by rule NMR-MEASCALC-1
Assignments
exact 3
Symmetry-equivalent atom groups (MolGod, from the three-dimensional structure)
National Institute of Standards and Technology. 2024. "NIST Chemistry WebBook, SRD 69." Gaithersburg, MD: NIST. Accessed 2025-01-01. ↗
Spectral Database for Organic Structure Determination (SDBS). 2024. National Institute of Advanced Industrial Science and Technology (AIST), Japan. Accessed 2025-01-01. ↗
Ulrich, Eldon L., Hideo Akutsu, John F. Doreleijers, Yoko Harano, Yannis E. Ioannidis, Jundong Lin, Miron Livny, et al. 2008. "BioMagResBank." Nucleic Acids Research 36 (D1): D402–D408. [DOI ↗]
Horai, Hisayuki, Masanori Arita, Shigehiko Kanaya, Yoshito Nihei, Tasuku Ikeda, Kazuhiro Suwa, Yuya Ojima, et al. 2010. "MassBank: A Public Repository for Sharing Mass Spectral Data for Life Sciences." Journal of Mass Spectrometry 45 (7): 703–714. [DOI ↗]
Linstrom, P.J., and W.G. Mallard, eds. 2024. NIST Chemistry WebBook, NIST Standard Reference Database Number 69. Gaithersburg, MD: National Institute of Standards and Technology. ↗
McDonald, M. Shane, Mike McAvoy, and Ajit Bhalerao. 1988. "JCAMP-DX: A Standard Form for Exchange of Infrared Spectra in Computer Readable Form." Applied Spectroscopy 42 (1): 151–162. [DOI ↗]
PubChem. 2024. "PubChem Compound Database." National Library of Medicine, National Institutes of Health. Accessed 2025-01-01. ↗
Spectra are fetched on demand from 9 sources. Each spectrum is stored in our database — the next time it is opened there are zero requests to the external API. Download JCAMP-DX / CSV / PNG for every spectrum without searching.
Type of data: Deposited as experimental; the source reports no measurement details (solvent, temperature, spectrometer frequency not reported) Basis: these values match NMRShiftDB record nmrshiftdb2:20105295; type as classified by MolGod from that record.
⏳ Loading…
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🔗 Source
About the downloads (Type of data: Deposited as experimental; the source reports no measurement details (solvent, temperature, spectrometer frequency not reported)) JCAMP: the NMRShiftDB file as received (JCAMP-DX 5.01 text). It is a peak list: chemical shift in ppm. MolGod adds header lines stating the type of data; the values are unchanged. CSV: the same peak list in two columns. The second column repeats the shift value; it is not a signal intensity. Lines starting with # state the type of data. PNG: a picture of the plot above, with the type of data written on it. Use: where signals are expected or were reported (chemical shift positions). Not included or guaranteed: intensities, multiplicities, coupling constants, line shapes, and solvent or temperature unless stated. A predicted list is not a measurement and cannot serve as a reference spectrum for identity or purity testing. Downloads become active after Show.
Data is fetched once (JCAMP-DX parser) and stored in the plugin's local database. No duplicate downloads, no NIST queries on subsequent openings. Licences respected (only a deep link plus our own visualisation is published).
Data retrieved live from multiple sources (priority chain). JCAMP-DX / CSV / PNG available for download under each spectrum. ⓘ Single source ★★☆☆☆
IR — Fourier-transform infrared
Loading IR — Fourier-transform infrared…
MS — Mass spectrometry (EI 70eV)
Loading MS — Mass spectrometry (EI 70eV)…
🧮 DFT vs experiment comparison (IR)
Overlay of the experimental IR spectrum on the theoretically calculated spectrum using the B3LYP/6-31G* method (scaling factor 0.9614, Scott & Radom 1996).
Experimental DFT (theoretical)
Full theoretical data (geometry, frequencies): NIST CCCBDB ↗
📚 Bibliography (Chicago)
Becke, Axel D. 1993. "Density-Functional Thermochemistry. III. The Role of Exact Exchange." Journal of Chemical Physics 98 (7): 5648–5652. Definition of the B3LYP functional.
Scott, Anthony P., and Leo Radom. 1996. "Harmonic Vibrational Frequencies: An Evaluation of Hartree–Fock, Møller–Plesset, Quadratic Configuration Interaction, Density Functional Theory, and Semiempirical Scale Factors." Journal of Physical Chemistry 100 (41): 16502–16513. Scaling factors for DFT (e.g., 0.9614 for B3LYP/6-31G*).
Merrick, Jeffrey P., Damian Moran, and Leo Radom. 2007. "An Evaluation of Harmonic Vibrational Frequency Scale Factors." Journal of Physical Chemistry A 111 (45): 11683–11700. An update to Scott & Radom — scale factors for newer DFT functionals.
Lee, Chengteh, Weitao Yang, and Robert G. Parr. 1988. "Development of the Colle-Salvetti Correlation-Energy Formula into a Functional of the Electron Density." Physical Review B 37 (2): 785–789. The LYP correlation — complements Becke 1993 for B3LYP.
Hehre, Warren J., Robert Ditchfield, and John A. Pople. 1972. "Self-Consistent Molecular Orbital Methods. XII. Further Extensions of Gaussian-Type Basis Sets." Journal of Chemical Physics 56 (5): 2257–2261. Definition of the 6-31G* basis set (split-valence + polarization).
Johnson, Russell D., III, ed. 2022. "NIST Computational Chemistry Comparison and Benchmark Database (CCCBDB)." NIST Standard Reference Database 101, Release 22. https://cccbdb.nist.gov. Benchmark for theoretical values — the fallback link in the widget.
Cramer, Christopher J. 2004. "Essentials of Computational Chemistry: Theories and Models." 2nd ed. Chichester: Wiley. A textbook on DFT methods and vibrational frequency calculations.
Jensen, Frank. 2017. "Introduction to Computational Chemistry." 3rd ed. Chichester: Wiley. Modern computational chemistry — basis sets and methods for vibrational spectra.
Foresman, James B., and Æleen Frisch. 2015. "Exploring Chemistry with Electronic Structure Methods." 3rd ed. Wallingford, CT: Gaussian, Inc. A practical Gaussian guide — IR + Raman + NMR from DFT.
🎓 Spectrum interpretation guide (for students)
Explanations of every band in the spectrum — why it appears where it does, and what it indicates about the structure.
IR (infrared) (14 peaks)
The IR (infrared) spectrum contains 14 structurally identified bands (out of 24 detected in total: 10 outside recognised ranges). The analysis below explains what each one means structurally and why it appears in that particular range.
C–H bend (CH3, CH2 — methyl/methylene)CH3/CH2● high
Band "C–H bend (CH3, CH2 — methyl/methylene)" appears in cases: 1,440.6 cm⁻¹ (medium (m)), 1,457.5 cm⁻¹ (weak (w)), 2,953.3 cm⁻¹ (weak (w)). This is the stretching vibration of aliphatic sp³ C–H bonds. Present in virtually every organic compound with an alkyl chain.
C–Cl stretch (chloride)CCl● medium
Band "C–Cl stretch (chloride)" appears in cases: 693.3 cm⁻¹ (weak (w)), 722.6 cm⁻¹ (strong (s)), 736.7 cm⁻¹ (strong (s)). C–Cl stretch — low frequency; its presence confirms a halogen element in the molecule (confirm via MS through the 35/37 Cl isotope pattern).
C–O stretch (alcohol/ether)C-O_ether● medium
Band "C–O stretch (alcohol/ether)" appears in cases: 1,197.9 cm⁻¹ (weak (w)), 1,213.4 cm⁻¹ (weak (w)), 1,257.9 cm⁻¹ (strong (s)). The functional group is identified based on its characteristic range (Pavia/Silverstein) — the precise physical mechanism depends on the nearest chemical neighbors.
C–O stretch (alcohol primary, ester)CO● medium
Band "C–O stretch (alcohol primary, ester)" appears in cases: 1,096.8 cm⁻¹ (weak (w)). The functional group is identified based on its characteristic range (Pavia/Silverstein) — the precise physical mechanism depends on the nearest chemical neighbors.
📚 Bibliography (Chicago)
Field, Leslie D., Sev Sternhell, and John R. Kalman. 2013. "Organic Structures from Spectra." 5th ed. Chichester: Wiley. A student problem-set textbook (interpretation guide companion).
Williams, Dudley H., and Ian Fleming. 2008. "Spectroscopic Methods in Organic Chemistry." 6th ed. London: McGraw-Hill. A classic of narrative spectral interpretation — explains "why the peak is here".
Crews, Phillip, Jaime Rodríguez, and Marcel Jaspars. 2009. "Organic Structure Analysis." 2nd ed. New York: Oxford University Press. A workflow for multi-parameter structural interpretation.
McLafferty, Fred W., and František Tureček. 1993. "Interpretation of Mass Spectra." 4th ed. Mill Valley, CA: University Science Books. MS fragmentation mechanisms — McLafferty rearrangement, m/z 29 = CHO.
Reusch, William. 2013. "Virtual Textbook of Organic Chemistry: Spectroscopy." East Lansing, MI: Michigan State University. https://www2.chemistry.msu.edu/faculty/reusch/VirtTxtJml/Spectrpy/spectro.htm. An open educational guide to IR/NMR/MS/UV — ideal for explaining functional groups.
Hesse, Manfred, Herbert Meier, and Bernd Zeeh. 2007. "Spektroskopische Methoden in der organischen Chemie." 8th ed. Stuttgart: Thieme. The standard German textbook on spectral interpretation.
Lampman, Gary M., Donald L. Pavia, George S. Kriz, and James R. Vyvyan. 2010. "Spectroscopy." 4th ed. Belmont, CA: Cengage Learning. A workbook with integrated interpretive narratives.
Kalsi, P. S. 2010. "Spectroscopy of Organic Compounds." 6th ed. New Delhi: New Age International. A complete textbook on IR/NMR/MS/UV spectral interpretation.
🔎 Spectrum Search (JCAMP-DX)
Upload a JCAMP-DX file (.jdx, .dx, .jcm) — the system will calculate the cosine similarity against all spectra in the database and display the TOP 10 matches.
📚 Bibliography (Chicago)
McLafferty, Fred W., ed. 2018. Wiley Registry of Mass Spectral Data. 11th ed. Hoboken, NJ: Wiley. A reference MS library (~775k spectra).
Stein, Stephen E., and Donald R. Scott. 1994. "Optimization and Testing of Mass Spectral Library Search Algorithms for Compound Identification." Journal of the American Society for Mass Spectrometry 5 (9): 859–866. The cosine + dot-product algorithm of NIST MS Search.
McDonald, Robert S., and Paul A. Wilks Jr. 1988. "JCAMP-DX: A Standard Form for Exchange of Infrared Spectra in Computer Readable Form." Applied Spectroscopy 42 (1): 151–162. The JCAMP-DX specification (extended to 5.01 for NMR/MS).
McLafferty, Fred W., and František Tureček. 1993. "Interpretation of Mass Spectra." 4th ed. Mill Valley, CA: University Science Books. Cosine-similarity matching and MS fragmentation — the foundation of the search algorithm.
Sumner, Lloyd W., Alexander Amberg, Dave Barrett, Michael H. Beale, Richard Beger, Clare A. Daykin, Teresa W.-M. Fan, et al. 2007. "Proposed Minimum Reporting Standards for Chemical Analysis." Metabolomics 3 (3): 211–221. MSI Level 1-4 — confidence-level standards for spectral matching.
Stein, Stephen E. 1999. "An Integrated Method for Spectrum Extraction and Compound Identification from Gas Chromatography/Mass Spectrometry Data." Journal of the American Society for Mass Spectrometry 10 (8): 770–781. The AMDIS algorithm — deconvolution + library match (NIST).
Lindon, John C., George E. Tranter, and David W. Koppenaal, eds. 2017. "Encyclopedia of Spectroscopy and Spectrometry." 3rd ed. Amsterdam: Academic Press. Encyclopedia entries on spectral library searching.
Smith, Brian C. 2011. "Fundamentals of Fourier Transform Infrared Spectroscopy." 2nd ed. Boca Raton, FL: CRC Press. FT-IR and the JCAMP-DX format for transmission spectra.
Larkin, Peter. 2017. "Infrared and Raman Spectroscopy: Principles and Spectral Interpretation." 2nd ed. Amsterdam: Elsevier. Principles of IR/Raman library matching and peak preprocessing.
Structural properties
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❓ Frequently asked questions (9)
What is Epichlorohydrin?
Epichlorohydrin (CAS 106-89-8) is a chemical compound with the molecular formula C3H5ClO and a molecular weight of 92.52 g/mol. The chemical data comes from PubChem (National Institutes of Health, USA).
Helpful?
What is the CAS number of Epichlorohydrin?
The CAS number for Epichlorohydrin is 106-89-8. A CAS Registry Number is the standard identifier for a chemical substance in scientific literature and in trade.
Helpful?
What is the chemical formula of Epichlorohydrin?
The molecular formula of Epichlorohydrin is C3H5ClO. Its molecular weight is 92.52 g/mol.
Helpful?
What is the melting point of Epichlorohydrin?
The melting point of Epichlorohydrin is -25.6.
Helpful?
What is the boiling point of Epichlorohydrin?
The boiling point of Epichlorohydrin is 116.6885.
Helpful?
What is the density of Epichlorohydrin?
The density of Epichlorohydrin is 1.18.
Helpful?
What are the physicochemical properties of Epichlorohydrin?
Physicochemical properties of Epichlorohydrin are available in the chemical data section on the product page.
Helpful?
Is Epichlorohydrin hazardous?
Epichlorohydrin is classified as hazardous (signal word: Danger); its pictograms and hazard statements are set out in section 2 of its safety data sheet. Read the safety data sheet before use and follow the handling precautions it states.
Helpful?
How should Epichlorohydrin be stored?
Epichlorohydrin should be stored as its safety data sheet directs \— typically in a dry, cool, well-ventilated place, away from heat and from materials it is incompatible with.
Helpful?
➕ Suggest a question
Download structure files
Molecular structure files from the PubChem database (NIH). Compatible with Avogadro, PyMOL, Jmol, and ChemDraw.
Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
g/L ↔ molarity
c (mol/L) = (g/L) / MW
±0.1% (depends on MW precision)
Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
mmol/L ↔ molarity
c (mol/L) = mmol/L × 10⁻³
Exact
Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
Celsius ↔ Kelvin
T(K) = t(°C) + 273.15
±0.01 K (ITS-90 scale)
BIPM (Bureau International des Poids et Mesures) (2019)
Celsius ↔ Fahrenheit
T(°F) = T(°C) × 9/5 + 32
±0.1 °F
Thompson A, Taylor BN (2008)
density-corrected % ↔ molarity
c (mol/L) = (%w/w × ρ × 10) / MW, ρ in g/mL
±0.1% when ρ known to 3 decimals
Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007)
📚 Bibliography (8 authoritative sources)
Thompson A, Taylor BN (2008). Guide for the Use of the International System of Units (SI). NIST Special Publication 811 · DOI: 10.6028/NIST.SP.811-2008 → Primary SI standard for US scientific usage
Cohen ER, Cvitaš T, Frey JG, Holmström B, Kuchitsu K, Marquardt R, Mills I, Pavese F, Quack M, Stohner J, Strauss HL, Takami M, Thor AJ (2007). Quantities, Units and Symbols in Physical Chemistry — The IUPAC Green Book. RSC Publishing, 3rd ed. · DOI: 10.1039/9781847557889 · ISBN: 978-0-85404-433-7 → Canonical IUPAC guide for chemistry quantities/units
BIPM (Bureau International des Poids et Mesures) (2019). The International System of Units (SI), 9th edition. BIPM · ↗ → International SI definitions (incl. redefined kilogram 2019)
ISO/IEC (2022). Quantities and units — Part 1: General. International Organization for Standardization — ISO 80000-1:2022 · ↗ → General rules for physical quantities and units
ISO/IEC (2019). Quantities and units — Part 9: Physical chemistry and molecular physics. International Organization for Standardization — ISO 80000-9:2019 · ↗ → Concentration / molality / amount-of-substance conventions
Tiesinga E, Mohr PJ, Newell DB, Taylor BN (2021). CODATA recommended values of the fundamental physical constants: 2018. Rev. Mod. Phys. 93(2):025010 · DOI: 10.1103/RevModPhys.93.025010 → Avogadro, gas constant, molar volume (2019 SI revision)
IUPAC (2019). Compendium of Chemical Terminology — the IUPAC Gold Book (online). IUPAC · DOI: 10.1351/goldbook → Definitions of mass fraction, molality, normality, ppm, activity
Mills IM, Cvitaš T, Homann K, Kallay N, Kuchitsu K (1988). Quantities, Units and Symbols in Physical Chemistry. Blackwell Scientific Publications, 1st ed. · ISBN: 0-632-01773-5 → Historical predecessor of IUPAC Green Book
Data limitations notice. The safety information on this page is for reference only and does not replace a full safety data sheet (SDS). Before using the product, consult the manufacturer's current safety data sheet and the GHS/CLP guidance. The CLP classification applies to the pure bulk substance, not to commercial formulations.
GHS/CLP classification — Regulation (EC) No 1272/2008 + UN GHS Rev. 9 (2021).
✓ Harmonised classification pursuant to Annex VI of the CLP Regulation (EC) 1272/2008 (official, binding classification). Index number: 603-026-00-6.
Reference (Chicago): European Chemicals Agency. "1-chloro-2,3-epoxypropane; epichlorhydrin, Index No. 603-026-00-6." In Table 3 of Annex VI to Regulation (EC) No 1272/2008 (CLP Regulation), 23rd Adaptation to Technical Progress (harmonised list as of 2026-07-07). Helsinki: European Chemicals Agency, 2026. https://echa.europa.eu/information-on-chemicals/annex-vi-to-clp.
⚠ IARC — Group 2A:
probably carcinogenic to humans.
(Independent assessment of carcinogenicity evidence by IARC/WHO — supplements the CLP classification above.)
Reference (Chicago): IARC. n.d. IARC Monographs on the Identification of Carcinogenic Hazards to Humans: CAS 106-89-8. Lyon, France: International Agency for Research on Cancer, World Health Organization. https://monographs.iarc.who.int/list-of-classifications/.
Classification from the local MOL-GOD list (snapshot) — unverified against the current IARC list. Verify
Translations: CLP Regulation (EC) 1272/2008, Annexes III and IV. Data: PubChem/NLM.
☢️ Toxicological data (IARC + EPA CTX)
🧬 IARC Carcinogen Classification
IARC classification:
Group 2A
Classification from a local MOL-GOD snapshot — unverified against the current IARC list (verify).
Canela-Xandri A, Balcells M, Villorbina G et al.. (2020). "Preparation and Uses of Chlorinated Glycerol Derivatives.". Molecules (Basel, Switzerland). https://doi.org/10.3390/molecules25112511 [DOI]
Dowtm Epichlorohydrin. (2019). "Epichlorohydrin.". Veterinary and human toxicology. https://doi.org/10.1002/0471743984.vse2991 [DOI]
Yadav, Ganapati D., Kulkarni, Mandar G.. (2017). "Selective synthesis of 1-(1-naphthyloxy)-2,3-epoxypropane from 1-naphthol and epichlorohydrin under solid–liquid phase transfer catalysis: a waste minimization strategy". https://doi.org/10.1007/s10098-016-1307-8 [DOI]
Gidwani B, Vyas A. (2014). "Synthesis, characterization and application of epichlorohydrin-β-cyclodextrin polymer.". Colloids and surfaces. B, Biointerfaces. https://doi.org/10.1016/j.colsurfb.2013.09.035 [DOI]
International Agency for Research on Cancer (IARC). 2024. "IARC Monographs on the Identification of Carcinogenic Hazards to Humans." Lyon: IARC. 🔗
U.S. EPA. 2024. "ECOTOX Knowledgebase." Washington, DC: U.S. Environmental Protection Agency. 🔗
ECHA. 2024. "Chemical Safety Assessment." European Chemicals Agency. 🔗
U.S. National Toxicology Program. 2024. Report on Carcinogens. 15th ed. Research Triangle Park, NC: National Institute of Environmental Health Sciences. 🔗
GESTIS. 2024. "GESTIS Substance Database." Institute for Occupational Safety and Health of the German Social Accident Insurance (DGUV). 🔗
U.S. EPA. 2024. "CompTox Chemicals Dashboard." Washington, DC: U.S. Environmental Protection Agency. 🔗
ECHA. 2023. "Regulation (EC) No 1272/2008 on Classification, Labelling and Packaging of Substances and Mixtures (CLP), Annex VI — Harmonised Classification." European Chemicals Agency. 🔗
Leist, Marcel, et al. 2014. "Consensus Report on the Future of Animal-Free Systemic Toxicity Testing." ALTEX 31 (3): 341–356. [DOI]
Hartung, Thomas. 2009. "Toxicology for the Twenty-First Century." Nature 460 (7252): 208–212. [DOI]
Lenga, Robert E., ed. 2008. The Sigma-Aldrich Library of Chemical Safety Data. 2nd ed. Milwaukee: Sigma-Aldrich.
🚨 Emergency procedure — chemical spillFlammable
CAS 106-89-8GHS:H226H350H331H311H301H314H317⚠️ EVACUATION (10m)💨 Ventilation
🥽 PPE — Personal protective equipment
Goggles:Yes
Suit:antistatic clothing
Face shield:Yes
Respirator:type A2-P3 filter (organic vapours + particles) — EN 14387:2004+A1:2008
⚠️ GENERIC procedure derived from the GHS classification (no curated data for this CAS). Always follow the supplier's current Safety Data Sheet (SDS).
1. Remove ignition sources; no sparking or open flames.
2. Ventilate to disperse vapors; use grounded, spark-proof tools.
3. Cover with a non-combustible absorbent; collect into a vented / UN container.
4. Wash the area with water; treat residues and absorbent as hazardous waste.
Additional properties from GHS:
• toxic — respiratory protection, avoid contact
• corrosive (e.g. H314) — protect skin and eyes, neutralize
• health hazard (CMR / STOT / aspiration) — minimize exposure
• irritant — avoid skin/eye contact and dust inhalation
🛢️ Large spill (>1L) ⚠️ Hazardous material
1. Evacuate; eliminate all ignition sources, monitor vapor concentration (LEL).
2. Full antistatic PPE; spark-proof equipment. Extinguishing: foam/powder/CO2 — NOT a water jet.
3. Collect mechanically into a labeled UN container; hand over to an authorized company (BDO — national rule, Poland).
4. Report the incident per the OHS procedure; on release to the environment notify the Regional Environmental Inspectorate (WIOŚ) (national rule — Poland).
🩹 First aid
🧴 Skin
1. Remove contaminated clothing.
2. Rinse the skin with plenty of water for ≥15 min.
3. Do NOT neutralize on the skin; burns → hospital.
3. The substance may be absorbed through the skin — monitor symptoms / see a doctor.
👁️ Eyes
1. Rinse IMMEDIATELY for ≥30 min, eyelids held open; remove contact lenses.
2. ALWAYS see an ophthalmologist.
🫁 Inhalation
1. Move the casualty to fresh air, comfortable position.
2. If short of breath — oxygen / doctor.
3. Delayed pulmonary edema possible — observe.
🍽️ Ingestion
1. Rinse the mouth with water; do NOT induce vomiting.
2. Poison Control Center (Poland): +48 42 631 47 24.
3. Drink water/milk; do NOT give NaHCO3 (CO2 → perforation risk).
🌍 Environment:
Water: Medium; Soil: Low; ❌ Do not release into drains; Waste Code: 16 05 06*
📚 Scientific references (Chicago Author-Date) — 8
European Chemicals Agency (ECHA). 2020. Guidance on the Compilation of Safety Data Sheets — Section 6: Accidental Release Measures. ECHA.
[link ↗]
European Parliament and Council. 2008. Regulation (EC) No 1272/2008 (CLP) — Hazard classes and H-statements. Official Journal of the European Union L 353.
[link ↗]
National Institute for Occupational Safety and Health (NIOSH). 2023. Pocket Guide to Chemical Hazards — NIOSH Pocket Guide to Chemical Hazards. CDC.
[link ↗]
U.S. Occupational Safety and Health Administration. 2024. 29 CFR 1910.120 — Hazardous Waste Operations and Emergency Response (HAZWOPER). U.S. Code of Federal Regulations.
[link ↗]
National Fire Protection Association. 2018. NFPA 472: Standard for Competence of Responders to Hazardous Materials/Weapons of Mass Destruction Incidents. NFPA.
[link ↗]
European Parliament and Council. 2012. Directive 2012/18/EU on the Control of Major-Accident Hazards Involving Dangerous Substances (Seveso III). Official Journal of the European Union L 197: 1–37.
[link ↗]
U.S. National Institute for Occupational Safety and Health. 2024. NIOSH Pocket Guide to Chemical Hazards. Centers for Disease Control and Prevention.
[link ↗]
European Chemicals Agency. 2020. Guidance on the Compilation of Safety Data Sheets (SDS), Version 3.1. ECHA.
[link ↗]
Sources: GHS/CLP classification (PubChem/SDS) — generic fallback · ECHA Guidance on SDS (section 6) · NIOSH Pocket Guide.
Indicative data only — in an emergency, always follow the supplier's instructions and local occupational health and safety (OHS) regulations.
☠️ Visual PPE guide (personal protective equipment)Toxic
🧤 Gloves
Double nitrile (double-glove) >0.2 mm (each layer) EN 374-1 typ B
Replace every 30 min or immediately after contact
👁️ Safety Glasses / Goggles
EN 166 B
Full side protection; sealed goggles for toxic dusts
🥼 Lab Coat / Coverall
Full buttoned lab coat + disposable sleeves EN 13688
Airborne concentration < OEL (NDS) per Dz.U. 2024 item 1017
😷 Respirator Required
P2 half-mask (fine aerosols) or P3 (>10× OEL); full-face mask with A1B1E1K1-P3 filter for toxic organic vapors
📚 Scientific references (Chicago Author-Date)
European Committee for Standardization (CEN). 2016. EN 374-1:2016 — Protective gloves against dangerous chemicals and micro-organisms — Part 1: Terminology and performance requirements for chemical risks. CEN, Brussels. EN 374-1:2016. [link ↗] — Classification of chemical-resistant gloves type A/B/C; JKLPT permeation tests
European Committee for Standardization (CEN). 2001. EN 166:2001 — Personal eye-protection — Specifications. CEN, Brussels. EN 166:2001. [link ↗] — Markings: B = medium-energy impact, T = extreme temperatures, 9 = molten metals and hot solids
European Committee for Standardization (CEN). 2009. EN 14605:2005+A1:2009 — Protective clothing against liquid chemicals — Performance requirements for clothing with liquid-tight (Type 3) or spray-tight (Type 4) connections. CEN, Brussels. EN 14605:2009. [link ↗] — Type 3 (jet-tight) and Type 4 (spray-tight) protection against liquid chemicals
National Institute for Occupational Safety and Health (NIOSH). 2017. Recommendations for Chemical Protective Clothing: A Companion to the NIOSH Pocket Guide. U.S. Department of Health & Human Services / CDC. [link ↗] — Practical guide to CPC (chemical protective clothing) selection per substance and exposure scenario
Occupational Safety and Health Administration (OSHA). 2011. Personal Protective Equipment — General requirements. U.S. Department of Labor — 29 CFR 1910.132. 29 CFR 1910.132. [link ↗] — The employer must provide PPE + training + a documented written hazard assessment
ℹ️ Regulatory obligations checklist for CAS 106-89-8.
Status based on: ADR 2025 (Table A), REACH Annex XVII, CLP Annex VI (harmonised classification), hazard class from the m14-spill DB, SVHC, GIS and the Polish OEL list. Principle: no data = no claim (we do NOT declare "no restrictions" without a basis).
✅SDS (Safety Data Sheet) availablefulfilled
How to comply: Requirement: current SDS compliant with Reg. 1907/2006 (REACH) Annex II, 16-section format.
Legal basis: Regulation (EC) No 1907/2006 (REACH) Art. 31 + Annex II
▣Compliant CLP label (pictograms + signal word + H/P)required
How to comply: The label must include: GHS pictograms, the signal word (Danger/Warning), hazard (H) and precautionary (P) statements, and manufacturer details. Required since 2010 (substances) and 2015 (mixtures). For this substance a HARMONISED CLASSIFICATION applies (CLP Annex VI) — see below; it takes precedence over self-classification.
Legal basis: Regulation (EC) No 1272/2008 (CLP) Art. 17-33 + Annex VI (harmonised classification)
❓ADR transport (international agreement)to be verified
How to comply: No ADR data in the MOL-GOD dataset for this CAS number. Do NOT assume there are no restrictions — before shipping, verify the transport classification in ADR 2025 (Table A) and in section 14 of the safety data sheet (SDS).
Legal basis: ADR 2025 European Agreement + Polish Act of 19 August 2011 on the Transport of Dangerous Goods National rules — Poland
🔵REACH registration (>1 t/year EU import)conditional
How to comply: Importers/manufacturers ≥1 tonne/year must register the substance with ECHA (technical dossier + Chemical Safety Report if ≥10 t). Check the ECHA Annex VI / registered substances list.
Legal basis: Regulation (EC) No 1907/2006 (REACH) Art. 5-22
▣REACH Annex XVII (use/marketing restrictions)required
How to comply: Substance subject to a REACH Annex XVII restriction (entry 28–30): CMR category 1A/1B — not for supply to the general public (professional users only). Check the conditions for placing on the market/use and the note in SDS section 15.
Legal basis: Regulation (EC) No 1907/2006 (REACH) Annex XVII — restrictions on manufacture, placing on the market and use
⚠️ REACH Annex XVII (entry 28–30): CMR category 1A/1B — not for supply to the general public (professional users only).
European Parliament and Council. 2008. Regulation (EC) No 1272/2008 on classification, labelling and packaging of substances and mixtures (CLP). Official Journal of the European Union L 353/1. CLP Regulation 1272/2008. [link ↗] — Classification, labelling and packaging of substances + mixtures (GHS implementation in the EU)
European Parliament and Council. 2006. Regulation (EC) No 1907/2006 concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH). Official Journal of the European Union L 396/1. REACH Regulation 1907/2006. [link ↗] — REACH — registration, evaluation and authorisation of chemicals; SVHC; SDS Annex II
Ministerstwo Rodziny i Polityki Społecznej Rzeczypospolitej Polskiej. 2024. Rozporządzenie Ministra Rodziny i Polityki Społecznej z dnia 4 września 2024 r. w sprawie najwyższych dopuszczalnych stężeń i natężeń czynników szkodliwych dla zdrowia w środowisku pracy. Dziennik Ustaw RP 2024 poz. 1017. National rules — Poland[link ↗] — NDS and NDSCh for ~600 chemical substances — current Polish occupational exposure limits
United Nations Economic Commission for Europe (UNECE). 2025. European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR), 2025 Edition. United Nations, Geneva. ADR 2025. [link ↗] — International agreement on the road transport of dangerous goods — UN numbers, classes, packaging
📚 Consolidated scientific references — Chicago Author-Date 10 sources
References collected from all Safety Hub tabs. CAS: 106-89-8 ·
PubChem ↗
Parlament Europejski i Rada UE. 2008. "Regulation (EC) nr 1272/2008 w sprawie klasyfikacji, oznakowania i pakowania substancji (CLP)." Dz.Urz. UE L 353. [↗]
GHS, Regulations
United Nations Economic Commission for Europe (UNECE). 2021. "Globally Harmonized System of Classification and Labelling of Chemicals (GHS), Ninth Revised Edition." United Nations, Geneva. [↗]
GHS
Goldfrank, Lewis R., Robert S. Hoffman, Mary Ann Howland, et al.. 2019. "Goldfrank's Toxicologic Emergencies, 11th ed.." McGraw-Hill Education, New York. ISBN 978-1-25-985961-8.
First aid, Toxicology
National Institute for Occupational Safety and Health (NIOSH). 2023. "NIOSH Pocket Guide to Chemical Hazards (DHHS Publ. 2005-149)." U.S. Department of Health and Human Services / CDC, Cincinnati, OH. [↗]
First aid, PPE, Toxicology
European Committee for Standardization (CEN). 2016. "EN 374-1:2016 — Protective gloves against dangerous chemicals and micro-organisms." CEN, Brussels. [↗]
PPE
UNECE. 2023. "European Agreement Concerning the International Carriage of Dangerous Goods by Road (ADR 2025)." United Nations, Geneva. [↗]
Disposal, Regulations
National Fire Protection Association (NFPA). 2022. "NFPA 400 — Hazardous Materials Code." NFPA, Quincy, MA. [↗]
Storage
Urben, P.G. (ed.). 2017. "Bretherick's Handbook of Reactive Chemical Hazards, 8th ed.." Butterworth-Heinemann / Elsevier, Oxford. [↗]
Storage
Ministerstwo Klimatu i Środowiska RP. 2023. "Baza danych o produktach i opakowaniach oraz o gospodarce odpadami (BDO)." Ministerstwo Klimatu i Środowiska, Warszawa. National rules — Poland[↗]
Disposal
International Agency for Research on Cancer (IARC / WHO). 2024. "IARC Monographs on the Identification of Carcinogenic Hazards to Humans — List of Classifications." WHO, Lyon. [↗]
Toxicology
Tabs with their own references (Emergency, PPE, Storage, Waste) contain additional bibliographic entries within their respective sections.
Paste a series of replicate measurements (CSV, or one number per line). The calculator computes the mean, standard deviation and 95% CI, and detects outliers (Grubbs + Dixon Q).
Separator: comma, space, tab, new line. Minimum 3 measurements.
📐 Statistical formulas
x̄ = Σxᵢ / n — arithmetic mean
s² = Σ(xᵢ - x̄)² / (n-1) — sample variance
s = √s² — standard deviation
RSD% = (s / x̄) × 100% — relative standard deviation
Plan your entire laboratory project: add experiments with reagents, replicates, and duration. You'll get a Gantt chart, a shopping list (with links to the store!), a budget with a 10% margin, and a GHS risk matrix.
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🧪 Solubility and solvent compatibility
Molecule
Epichlorohydrin
Formula
C3H5ClO
logP (XLogP3)
0.50
Mass (g/mol)
92.52
Polarity
Moderate
⚠️ GC estimate (Hoftyzer–Van Krevelen). No literature HSP data for this CAS — precision ±2 MPa½. Verify experimentally.
Solvent
Compat.
Ra
Visual
GC-MS
HPLC
Applications
References
Ra < R₀ = good miscibility · Ra < 1,5×R₀ = borderline · above = poor (R₀ — radius of the Hansen sphere of this molecule) For this molecule R₀ = 8..
Solubility theory (applied in compatibility prediction):
Yalkowsky, Samuel H., and Shri C. Valvani. 1980. "Solubility and Partitioning I: Solubility of Nonelectrolytes in Water." Journal of Pharmaceutical Sciences 69 (8): 912–922. https://doi.org/10.1002/jps.2600690814 — General Solubility Equation (GSE): logS = 0.5 − logP − 0.01(MP−25).
Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook. 2nd ed. CRC Press. https://doi.org/10.1201/9781420006834 — HSP triplet (dD, dP, dH) + Ra formula.
Stefanis, E., and C. Panayiotou. 2008. "Prediction of Hansen Solubility Parameters with a New Group-Contribution Method." Int J Thermophys 29: 568–585. https://doi.org/10.1007/s10765-008-0415-z
Reichardt, Christian, and Thomas Welton. 2011. Solvents and Solvent Effects in Organic Chemistry. 4th ed. Wiley-VCH. https://doi.org/10.1002/9783527632220 — E_T(30) polarity scale, solvatochromism.
Snyder, Lloyd R., Joseph J. Kirkland, and John W. Dolan. 2010. Introduction to Modern Liquid Chromatography. 3rd ed. Wiley. https://doi.org/10.1002/9780470508183 — Eluotropic series, polarity index.
Van Krevelen, D. W., and K. Te Nijenhuis. 2009. Properties of Polymers. 4th ed. Elsevier. https://doi.org/10.1016/B978-0-08-054819-7.X0001-5 — Hoftyzer–Van Krevelen group contribution for dD/dP/dH from SMILES.
Marcus, Yizhak. 1998. The Properties of Solvents. Wiley Series in Solution Chemistry, Vol. 4. ISBN 9780471983699 — Complete tabular set of 250+ solvents (ε, μ, donicity, acceptor numbers).
PubChem Compound Database — CAS 106-89-8 lookup ↗ — logP (XLogP3), water solubility experimental + predicted.
Full bibliography in the REFERENCES accordion (at the bottom of the page) — Chicago Manual of Style 17th ed., Author-Date.
🧮 Solubility calculator
Solubility:—
logS:—
Method:—
⚠️ —
Solubility vs temperature
🌐 Hansen Solubility Sphere (3D)
⚠️ The Hansen parameters for this substance fall outside the range of the method.
At least one of the δD/δP/δH parameters fell outside the domain of validity of the group contribution method (Hoftyzer–Van Krevelen), so the position of the molecule in Hansen space is unknown. The distance Ra is measured FROM THAT POINT — it cannot be calculated without knowing the point. The sphere and the distance table have been omitted rather than filled with numbers that have nothing behind them. Where a solubility measurement exists, it is shown in the table below.
Ra < R₀ = good miscibility · Ra < 1,5×R₀ = borderline · above = poor (R₀ — radius of the Hansen sphere of this molecule) Target molecule: δD=outside the method's range,
δP=outside the method's range,
δH=outside the method's range8
📊 Automatically extracted topics from the abstracts of 2 publications for CAS 106-89-8.
Algorithm: TF-IDF (Salton & Buckley 1988) — term frequency × inverse document frequency.
📊 Citation graph for CAS 106-89-8.
Each node = a research paper; an A→B edge = paper A cites B. Data from OpenAlex (Priem 2022).
⚡ Fetch network data
Network built on-demand from the OpenAlex API (24h cache).
Why this page can be checked
Identity
CAS, EC and molecular formula, resolved across the identifier systems a buyer uses. The count of systems resolved is shown, so you can see how well characterised this substance is rather than assuming.
Data
Every physicochemical value carries the source it came from and the date that source was read. Open any of them.
Classification
Read against the harmonised entry where one exists, with the index number stated. Self-classification is shown separately and labelled.
Regulatory
Inventory, restriction, authorisation and candidate-list status, each stated individually. Where a status is not established, this page says so — it never says no restrictions apply.
Documentation
Which documents exist, at what review level, in which languages, and when each was issued.
Supplier
Who is selling this, and what they have published about themselves.
Nothing on this page is a certification. It is a record you can audit.
Two guarantees, both with their limits stated
The Gap Report Guarantee
If the available evidence cannot support a defensible document for your CAS number and product specification, we will not invent the missing values. You receive a documented gap report and choose: a refund, store credit, or the report on its own.
A visible gap is worth more than a plausible number, because the plausible number is the one that fails when somebody checks it.
The Re-issue Promise
If a signed card is rejected by an authority or by a customer’s compliance officer on one of the points we checked and reported as passed, we re-issue it corrected at no charge and credit the original fee.
This covers the checks we performed and named. It does not cover registration status, tonnage, or your role in the supply chain — those are not ours to hold, and a guarantee that pretended otherwise would be worth nothing.
Documentation for 1-chloro-2,3-epoxypropane, CAS 106-89-8, prepared to the structure European enforcement expects. What is sold here is paperwork; the substance itself is not offered.
1-chloro-2,3-epoxypropane (CAS 106-89-8) at a glance
Substance – 1-chloro-2,3-epoxypropane
CAS number – 106-89-8
EC number – 203-439-8
CLP Annex VI index number – 603-026-00-6
Also known as – epichlorhydrin
Hazard statements – H226 (flammable liquid and vapour); H350 (may cause cancer); H331 (toxic if inhaled); H311 (toxic in contact with skin); H301 (toxic if swallowed); H314 (causes severe skin burns and eye damage)
CMR classification – yes, classified as carcinogenic, mutagenic or toxic for reproduction
Documentation issued – safety data sheet in REACH Annex II structure; working draft or signed card
What is supplied – a document. MolGod.org does not sell, supply or ship chemical substances.
Other names for this substance
The same substance appears in trade and in the literature under several names: epichlorhydrin. A safety data sheet has to carry the name used in the harmonised entry, but a purchase order, a customs declaration and a certificate of analysis may each use a different one. Where the names diverge, CAS 106-89-8 is the identifier that reconciles them — and a document set that relies on trade names alone will eventually be read as describing three different materials.
Stability, reactivity and incompatibilities
Incompatibilities for 1-chloro-2,3-epoxypropane belong in section 10 and must not contradict the storage guidance in section 7. Where a sheet lists a material as incompatible in one section and acceptable in another, the document has stopped being usable.
What is the CLP classification of 1-chloro-2,3-epoxypropane?
The harmonised classification for CAS 106-89-8 carries 7 hazard statements: H226, H350, H331, H311, H301, H314, H317. In plain terms this means flammable liquid and vapour; may cause cancer; toxic if inhaled; toxic in contact with skin. A harmonised entry is binding across the Union — an importer may not soften it, and a self-classification that diverges from it will not survive an enforcement check.
What is the EC number for 1-chloro-2,3-epoxypropane?
Alongside CAS 106-89-8, this substance carries EC number 203-439-8 and Annex VI index 603-026-00-6. European documentation is built around the EC number as often as around the CAS: registration dossiers, the candidate list and customs systems key on it. A safety data sheet quoting only one of the two forces every downstream reader to look up the other.
Is 1-chloro-2,3-epoxypropane classified as a CMR substance?
CAS 106-89-8 is classified as a CMR substance (H350). That status changes the obligations attached to every shipment: workplace exposure documentation, restrictions on supply to the general public, and substitution pressure from downstream users who must justify continued use. A safety data sheet for a CMR substance is read more closely than any other, because the classification itself invites scrutiny.
How is 1-chloro-2,3-epoxypropane classified for road, sea and air transport?
Section 14 for CAS 106-89-8 carries the UN number, proper shipping name, class, packing group and environmental hazard where these apply. Where the substance is not dangerous for carriage, the section says so explicitly rather than being left empty — an empty section 14 reads as an omission, not as an absence of hazard.
Which GHS pictograms apply to 1-chloro-2,3-epoxypropane?
The label for 1-chloro-2,3-epoxypropane carries GHS02 (flame), GHS05 (corrosion), GHS06 (skull and crossbones), GHS08 (health hazard), with the signal word Danger. These are not chosen by the supplier: CLP Annex VI states them for CAS 106-89-8, and the precedence rules in Annex I decide which pictogram is dropped when two would say the same thing. A label showing a different set from the register is wrong even if every hazard statement on it is correct.
Who is responsible for REACH compliance for 1-chloro-2,3-epoxypropane?
Anyone importing 1-chloro-2,3-epoxypropane into the European Union must provide the necessary documentation, and this responsibility cannot be transferred back to previous entities in the supply chain through contractual arrangements. Section 1 requires the designation of a contactable entity within the Union; a foreign address is not acceptable for this purpose and is one of the first elements inspected due to its straightforward verification.
Identifiers that must agree
Three identifiers travel with this substance and all three have to agree: CAS 106-89-8, the Annex VI index number 603-026-00-6, and the name as it appears in the register. Mismatched identifiers are the quietest defect in a documentation set, because every individual document looks correct and only a cross-check reveals that they describe different things.
Can I import 1-chloro-2,3-epoxypropane into the EU?
The introduction of 1-chloro-2,3-epoxypropane into the Union necessitates the preparation of documentation prior to logistical arrangements. The documentation file must be available at the time of import, not merely upon request; for this purpose, alcohols and ethers is assessed within the context of solvent shipments. Index 603-026-00-6 establishes the classification that Section 2 must reflect accordingly.
What must the label for 1-chloro-2,3-epoxypropane contain?
The supply label for 1-chloro-2,3-epoxypropane is generated from the same classification that drives the safety data sheet: pictograms selected by precedence, one signal word derived from the highest hazard class present, and the hazard statements H226, H350, H331… reproduced in full. Where the container is too small to carry the complete set at a legible size, there are lawful ways to handle it and unlawful ones that look identical to a non-specialist.
How do I check if my SDS for 1-chloro-2,3-epoxypropane is still valid?
When dealing with a document about 1-chloro-2,3-epoxypropane that is already in use, the primary concern should be verifying its accuracy rather than immediately considering replacement. If inaccuracies are found, it is essential to identify the specific sections requiring correction. Errors frequently appear across multiple documents; thus, reviewing three documents can often yield insights that would otherwise necessitate examining three hundred.
What Annex VI notes and concentration limits apply to 1-chloro-2,3-epoxypropane?
The register also records * for this entry. Specific concentration limits, M-factors and acute toxicity estimates override the generic cut-off values, so a mixture calculation that ignores them will classify the mixture wrongly in both directions.
Where is regulatory status recorded for 1-chloro-2,3-epoxypropane?
The regulatory status of 1-chloro-2,3-epoxypropane evolves separately from its hazard classification. A substance may maintain consistent hazard characteristics over extended periods while gaining additional obligations under Section 15, leading to this section becoming outdated more rapidly than Section 2.
Accidental release and containment
A spill involving substance with CAS number 106-89-8 must be managed according to Section 6, which should clearly specify the required containment materials and personal protective equipment necessary for personnel approaching the spill site. An operational sheet outlining the cleanup process without detailing the appropriate attire for workers is considered incomplete.
Questions about documentation for 1-chloro-2,3-epoxypropane
What is the CAS number of 1-chloro-2,3-epoxypropane?
CAS 106-89-8. In CLP Annex VI the same substance carries index number 603-026-00-6, and both identifiers should appear in the documentation.
Is 1-chloro-2,3-epoxypropane a CMR substance?
Yes. The harmonised classification places it among substances classified as carcinogenic, mutagenic or toxic for reproduction, which changes workplace documentation and supply restrictions.
What hazard statements apply to CAS 106-89-8?
The harmonised entry lists H226, H350, H331, H311. These are binding across the Union and may not be softened by a self-classification.
In which language must the sheet be supplied?
In an official language of each Member State where 1-chloro-2,3-epoxypropane is placed on the market, unless that State has stated otherwise.
MolGod.org issues documentation and does not sell, supply or ship chemical substances. CAS 106-89-8 identifies the subject of this document.
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Full 16-section REACH Annex II structure
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Recommended when the document leaves your company✍
Expert-Reviewed SDS
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Everything in the Working Draft
Reviewed by a competent person under Annex II, section by section
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Best for
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If you are unsure, read down the left column and stop at the first line that describes your situation.
What the document is for
Working Draft €49.99
Expert-Reviewed €249.99
Internal drafting and review
Yes
Yes
Checking a sheet a supplier sent you
Yes
Yes
Sent to your customer
Not written for this
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Travels with an export shipment
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Yes
Read by an inspector or authority
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Yes
Adapted to your company, grade and identified use
No
Yes
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Yes
When you get it
Immediately after payment
Within 72 hours of complete input
Nothing stops you sending a draft to anyone. "Not written for this" means exactly that: it carries no signature and no fields adapted to your company, so it will not answer the questions the recipient is about to ask.
What the signature means
Who prepares the document
The document is generated by the MolGod engine from ECHA CLP Annex VI and the cited public sources, then read section by section by a qualified scientific reviewer with a degree in chemistry or a related scientific field.
What the review covers
The sheet is read section by section against the REACH Annex II structure. GHS classification and transport entries are checked against the sources cited in the document, and the sheet is adapted to the company, product grade and identified use you provide.
What is NOT verified
We do not test your material and we cannot confirm what is physically in your container: composition, concentration, impurities or manufacturing route. Those come from you and are reproduced as supplied.
What the signature is — and is not
The signature records that a qualified scientific reviewer read the document. It is not a government approval, not an ECHA approval, and not a legal certification — no such certification exists for safety data sheets in the EU. A signature does not by itself make a document legally valid or make your business compliant.
What you receive
A PDF in the 16-section REACH Annex II structure, signed and dated, with version information and a list of anything we could not establish. Five rounds of corrections are included.
Delivery
Within 72 hours of receiving complete input from you. The clock pauses whenever we are waiting on an answer.
Refunds
Full refund before review begins. If the evidence is insufficient, you choose a refund, store credit or a gap report. See the refund policy.
No fabricated-data guarantee.
If the available evidence is insufficient to support a defensible document for this CAS number and your product specification, we will not invent the missing values. You may choose a refund, store credit or a documented gap report.
The supplier placing the substance or mixture on the market remains responsible for ensuring that the final safety data sheet matches the material, its identified uses and their legal role in the supply chain.
📚 Scientific references (Chicago Author-Date) — click to expand
Batch management and laboratory certification standards — 13 independent sources (ICH Q1/Q3/Q6/Q7/Q10 + ISO 17025 + WHO TRS + 21 CFR 211 + EMA + USP + Ph.Eur. + PIC/S + IPEC-PQG).
International Council for Harmonisation (ICH). 2000. "Q7 Good Manufacturing Practice Guide for Active Pharmaceutical Ingredients." ICH Expert Working Group. [link ↗] — GMP for APIs — adopted by EMA, FDA, MHLW
International Organization for Standardization. 2017. "ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories." ISO. [link ↗] — Lab accreditation standard underpinning every CoA
World Health Organization. 2010. "WHO Good Manufacturing Practices for Pharmaceutical Products: Main Principles (WHO Technical Report Series No. 957, Annex 3)." WHO Press. [link ↗] — WHO TRS No. 957 — global reference for GMP
International Council for Harmonisation (ICH). 2003. "ICH Q1A(R2): Stability Testing of New Drug Substances and Products." International Council for Harmonisation. [link ↗] — Source for batch shelf-life and retest dating
International Council for Harmonisation (ICH). 2006. "ICH Q3A(R2): Impurities in New Drug Substances." ICH. [link ↗]
International Council for Harmonisation (ICH). 1999. "ICH Q6A: Specifications for New Drug Substances and Products." ICH. [link ↗] — CoA acceptance-criteria specification standard
International Council for Harmonisation (ICH). 2008. "ICH Q10: Pharmaceutical Quality System." ICH. [link ↗]
U.S. Food and Drug Administration. 2024. "21 CFR Part 211: Current Good Manufacturing Practice for Finished Pharmaceuticals." US Code of Federal Regulations. [link ↗] — US legal mandate (Subpart J — Records and Reports)
European Medicines Agency. 2014. "Guideline on Process Validation for Finished Products — Information and Data to Be Provided EMA/CHMP/CVMP/QWP/BWP/70278/2012." European Medicines Agency. [link ↗]
United States Pharmacopeial Convention. 2024. "United States Pharmacopeia and National Formulary, USP 47-NF 42." USP. [link ↗]
European Pharmacopoeia Commission. 2024. "European Pharmacopoeia 11th Edition." Council of Europe — EDQM. [link ↗]
Pharmaceutical Inspection Co-operation Scheme (PIC/S). 2021. "Guide to Good Manufacturing Practice for Medicinal Products PE 009-15." PIC/S Secretariat, Geneva. [link ↗] — Cross-recognized GMP for 54 inspectorates worldwide
International Pharmaceutical Excipients Council (IPEC) and Pharmaceutical Quality Group (PQG). 2017. "Joint IPEC-PQG Good Manufacturing Practices Guide for Pharmaceutical Excipients." IPEC-Americas. [link ↗] — Excipient-grade CoA standard for non-API ingredients
📜 Patents (public metadata)
no data
No public patent metadata was found for this substance in Crossref / OpenAlex at this time. Data will be updated automatically after the next cache refresh (24h).
📚 References (Chicago Author-Date) — click to expand
Canela-Xandri A, Balcells M, Villorbina G et al.. (2020). "Preparation and Uses of Chlorinated Glycerol Derivatives.". Molecules (Basel, Switzerland). https://doi.org/10.3390/molecules25112511
Dowtm Epichlorohydrin. (2019). "Epichlorohydrin.". Veterinary and human toxicology. https://doi.org/10.1002/0471743984.vse2991
Yadav, Ganapati D., Kulkarni, Mandar G.. (2017). "Selective synthesis of 1-(1-naphthyloxy)-2,3-epoxypropane from 1-naphthol and epichlorohydrin under solid–liquid phase transfer catalysis: a waste minimization strategy". https://doi.org/10.1007/s10098-016-1307-8
Gidwani B, Vyas A. (2014). "Synthesis, characterization and application of epichlorohydrin-β-cyclodextrin polymer.". Colloids and surfaces. B, Biointerfaces. https://doi.org/10.1016/j.colsurfb.2013.09.035
World Intellectual Property Organization. 2024. "Patent Cooperation Treaty (PCT)." https://www.wipo.int/pct/.
U.S. Patent and Trademark Office. 2024. "USPTO Patent Public Search." https://ppubs.uspto.gov/.
European Patent Office. 2024. "Espacenet Patent Search." https://worldwide.espacenet.com/.
Newman, David J., and Gordon M. Cragg. 2020. "Natural Products as Sources of New Drugs over the Nearly Four Decades from 01/1981 to 09/2019." Journal of Natural Products 83 (3): 770-803.
Davies, Mark, Michał Nowotka, George Papadatos, et al. 2015. "ChEMBL Web Services: Streamlining Access to Drug Discovery Data and Utilities." Nucleic Acids Research 43 (W1): W612-W620.
Bickerton, G. Richard, Gaia V. Paolini, Jérémy Besnard, Sorel Muresan, and Andrew L. Hopkins. 2012. "Quantifying the Chemical Beauty of Drugs." Nature Chemistry 4 (2): 90-98.
Meanwell, Nicholas A. 2011. "Synopsis of Some Recent Tactical Application of Bioisosteres in Drug Design." Journal of Medicinal Chemistry 54 (8): 2529-2591.
Ertl, Peter, and Ansgar Schuffenhauer. 2009. "Estimation of Synthetic Accessibility Score of Drug-Like Molecules Based on Molecular Complexity and Fragment Contributions." Journal of Cheminformatics 1: 8.
Hopkins, Andrew L., and Colin R. Groom. 2002. "The Druggable Genome." Nature Reviews Drug Discovery 1 (9): 727-730.
Allison, John R., and Mark A. Lemley. 1998. "Empirical Evidence on the Validity of Litigated Patents." AIPLA Quarterly Journal 26 (3): 185-275.
Patani, George A., and Edmond J. LaVoie. 1996. "Bioisosterism: A Rational Approach in Drug Design." Chemical Reviews 96 (8): 3147-3176.
Lerner, Josh. 1994. "The Importance of Patent Scope: An Empirical Analysis." RAND Journal of Economics 25 (2): 319-333.
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📚 REFERENCES (Aggregate bibliography, Chicago Author-Date) 79 items
All scientific sources cited in the accordions above for CAS 106-89-8. Format: Chicago Manual of Style 17th ed., Author-Date system.
AIST. n.d. Spectral Database for Organic Compounds (SDBS): CAS 106-89-8. Tsukuba, Japan: National Institute of Advanced Industrial Science and Technology. https://sdbs.db.aist.go.jp/.
Linstrom, Peter J., and William G. Mallard, eds. n.d. NIST Chemistry WebBook: NIST Standard Reference Database Number 69. Gaithersburg, MD: National Institute of Standards and Technology. https://doi.org/10.18434/T4D303.
PubChem. n.d. PubChem Compound Summary: CAS 106-89-8. Bethesda, MD: National Center for Biotechnology Information (NCBI), National Library of Medicine. https://pubchem.ncbi.nlm.nih.gov/#query=106-89-8.
European Chemicals Agency (ECHA). 2024. "Annex VI to Regulation (EC) No 1272/2008 (CLP) — Harmonised Classification and Labelling." ECHA, Helsinki / Official Journal of the European Union. https://echa.europa.eu/regulations/clp/clp-classification.
National Institute for Occupational Safety and Health (NIOSH). 2017. "Recommendations for Chemical Protective Clothing: A Companion to the NIOSH Pocket Guide." U.S. Department of Health & Human Services / CDC. https://www.cdc.gov/niosh/ncpc/default.html.
Connors, Kenneth A., Gordon L. Amidon, and Valentino J. Stella. 1986. Chemical Stability of Pharmaceuticals: A Handbook for Pharmacists, 2nd ed.. New York: Wiley. https://doi.org/10.1002/0471734683.
Rumble, John R., ed. 2019. CRC Handbook of Chemistry and Physics: 100th Edition. Boca Raton, FL: CRC Press. https://hbcp.chemnetbase.com/.
IARC. n.d. IARC Monographs on the Identification of Carcinogenic Hazards to Humans: CAS 106-89-8. Lyon, France: International Agency for Research on Cancer, World Health Organization. https://monographs.iarc.who.int/list-of-classifications/.
📄 Scientific articles (peer-reviewed)
Stefanis, Emmanuel, and Costas Panayiotou. 2008. "Prediction of Hansen Solubility Parameters with a New Group-Contribution Method." International Journal of Thermophysics 29: 568-585. https://doi.org/10.1007/s10765-008-0415-z.
Stoll, Vincent S., and John S. Blanchard. 1990. "Buffers: Principles and Practice: In Methods in Enzymology, vol. 182." San Diego: Academic Press. https://doi.org/10.1016/0076-6879(90)82008-P.
European Parliament. 2008. "Regulation (EC) No 1272/2008 on Classification, Labelling and Packaging of Substances and Mixtures (CLP)." Official Journal of the European Union L 353: 1–1355.
United Nations. 2021. Globally Harmonized System of Classification and Labelling of Chemicals (GHS). 9th revised ed. ST/SG/AC.10/30/Rev.9. New York and Geneva: United Nations. https://unece.org/ghs-rev9-2021.
United States Pharmacopeial Convention. 2024. "USP <621> Chromatography." In United States Pharmacopeia and National Formulary, USP 47-NF 42. Rockville, MD: USP. https://www.uspnf.com/.
International Organization for Standardization. 2017. "ISO/IEC 17025:2017 General Requirements for the Competence of Testing and Calibration Laboratories." Geneva: ISO. https://www.iso.org/standard/66912.html.
Kolthoff, Izaak Maurits, and Philip J. Elving, eds. 1978. Treatise on Analytical Chemistry, Part I: Theory and Practice. 2nd ed. New York: Wiley-Interscience.
Skoog, Douglas A., F. James Holler, and Stanley R. Crouch. 2018. Principles of Instrumental Analysis. 7th ed. Boston: Cengage Learning.
Christian, Gary D., Purnendu K. Dasgupta, and Kevin A. Schug. 2014. Analytical Chemistry. 7th ed. Hoboken, NJ: Wiley.
International Organization for Standardization. 1994. "ISO 5725-2:1994 Accuracy (Trueness and Precision) of Measurement Methods and Results — Part 2: Basic Method for the Determination of Repeatability and Reproducibility of a Standard Measurement Method." Geneva: ISO. https://www.iso.org/standard/11834.html.
Heckert, N. A., and J. J. Filliben. 2003. "NIST/SEMATECH e-Handbook of Statistical Methods." NIST Handbook 151. Gaithersburg, MD: National Institute of Standards and Technology. https://www.itl.nist.gov/div898/handbook/.
Grubbs, Frank E. 1950. "Sample Criteria for Testing Outlying Observations." Annals of Mathematical Statistics 21 (1): 27–58.
Dixon, Wilfrid J. 1950. "Analysis of Extreme Values." Annals of Mathematical Statistics 21 (4): 488–506.
Snedecor, George W., and William G. Cochran. 1989. Statistical Methods. 8th ed. Ames, IA: Iowa State University Press.
Student [William Sealy Gosset]. 1908. "The Probable Error of a Mean." Biometrika 6 (1): 1–25.
International Organization for Standardization. 2005. "ISO 3534-1:2006 Statistics — Vocabulary and Symbols — Part 1: General Statistical Terms and Terms Used in Probability." Geneva: ISO. https://www.iso.org/standard/40145.html.
Thompson, Michael, Stephen L. R. Ellison, and Roger Wood. 2002. "Harmonized Guidelines for Single-Laboratory Validation of Methods of Analysis." Pure and Applied Chemistry 74 (5): 835–855.
United Nations Economic Commission for Europe. 2024. European Agreement Concerning the International Carriage of Dangerous Goods by Road (ADR), Applicable as from 1 January 2025 (ECE/TRANS/352). Geneva: UNECE. https://unece.org/transport/dangerous-goods/adr-2025-edition.
Ministerstwo Klimatu i Środowiska Rzeczypospolitej Polskiej. 2020. "Rozporządzenie Ministra Klimatu z dnia 2 stycznia 2020 r. w sprawie katalogu odpadów." Dziennik Ustaw RP 2020 poz. 10. https://isap.sejm.gov.pl/isap.nsf/DocDetails.xsp?id=WDU20200000010. National rules — Poland
Główny Inspektorat Ochrony Środowiska (GIOŚ). 2024. "Baza Danych O Odpadach (BDO) — System rejestracji firm utylizacyjnych." Ministerstwo Klimatu i Środowiska. https://bdo.mos.gov.pl/. National rules — Poland
International Organization for Standardization. 2017. "ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories." ISO. https://www.iso.org/standard/66912.html.
World Health Organization. 2010. "WHO Good Manufacturing Practices for Pharmaceutical Products: Main Principles (WHO Technical Report Series No. 957, Annex 3)." WHO Press. https://www.who.int/publications/m/item/trs957-annex3.
Pharmaceutical Inspection Co-operation Scheme (PIC/S). 2021. "Guide to Good Manufacturing Practice for Medicinal Products PE 009-15." PIC/S Secretariat, Geneva. https://picscheme.org/en/publications.
