Hydrogen Peroxide (CAS 7722-84-1)
Hydrogen Peroxide 35% Reagent. CAS 7722-84-1.
Free, and generated automatically from the sources listed on this page. No person has reviewed it, and it describes the substance in general — not your material, your process or your intended market.
REACH 2020/878
v21 · 03.11.2026
Section 9 — physicochemical properties: 12 of 22 established.
We show what is established and name what is not. Classification and identity are complete on every card; section 9 is where public data is thin.
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📊 Physicochemical data — CAS 7722-84-1
Physicochemical properties
Quick Reference
Formula:
H₂O₂
MW:
34.015 g/mol
CAS:
7722-84-1
Appearance:
Colorless liquid
Odour:
... Slightly sharp odor ...
Detailed Properties
Supplements the “Physical & Chemical Properties (DB)” table below — values already shown there are not repeated.
| Property | Value | Unit | Conditions | Source |
|---|---|---|---|---|
| Flash Point | Non-flammable | H₂O₂ is an oxidizer, not flammable itself | SDS | |
| Viscosity (η) | 1.245[1][2] | mPa·s | 20 °C | CRC Handbook ↗ |
| Refractive Index (nD) | 1.4061[1][3] | 20 °C, D-line | NIST Chemistry WebBook (Linstrom & Mallard 2024) | |
| pKa | 11.65[4] | 25 °C | IUPAC Stability Constants Database ↗ |
🔬 Advanced Properties
| Surface Tension | 80.4 mN/m | 20°C |
| Dielectric Constant (ε) | 73.06 | 25°C |
| Heat Capacity (Cp) | 2.619 J/(g·K) | 25°C |
Chemical Identifiers
SMILES:
OO Data sources: SDS, CRC Handbook, NIST Chemistry WebBook (Linstrom & Mallard 2024) (DOI 10.18434/T4D303), IUPAC Stability Constants Database
Last updated: 2026-09-02
📚 Scientific references (Chicago Author-Date) (4 sources)
- PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗ applies to: Viscosity (η) · Refractive Index (nD)
- Rumble, J.R., ed. CRC Handbook of Chemistry and Physics. 105th ed. Boca Raton: CRC Press, 2024. ↗ applies to: Viscosity (η)
- NIST. Chemistry WebBook, SRD 69. National Institute of Standards and Technology. ↗ applies to: Refractive Index (nD)
- Pettit, L.D., and K.J. Powell. IUPAC Stability Constants Database (SC-Database). Otley: Academic Software / IUPAC, 1993. applies to: pKa
Chemical Overview: Hydrogen Peroxide
| Molecular formula | H2O2[1] |
| Molecular weight | 34.015 g/mol[1] |
| Melting point | -0.43 °C[1][2] |
| Boiling point | 150.2 °C[2] |
| Density | 1.45 g/cm³[2] |
| LogP (lipophilicity) | -0.9[1][2] |
| pKa | 11.65[2] |
| IUPAC name | hydrogen peroxide[1] |
| SMILES | OO[1] |
| InChIKey | MHAJPDPJQMAIIY-UHFFFAOYSA-N[1] |
Synonyms: hydrogen peroxide · 7722-84-1 · oxydol · perhydrol · Superoxol
Data sources: PubChem (NLM/NIH), NIST Chemistry WebBook (Linstrom & Mallard 2024)
Last updated: 2026-09-02
📚 Scientific references (Chicago Author-Date) (2 sources)
- PubChem. National Center for Biotechnology Information (NIH/NLM), chemical compound database. ↗ applies to: Molecular formula · Molecular weight · Melting point · LogP (lipophilicity) · IUPAC name · SMILES · InChIKey
- NIST. Chemistry WebBook, SRD 69. National Institute of Standards and Technology. ↗ applies to: Melting point · Boiling point · Density · LogP (lipophilicity) · pKa
SCIENTIFIC RESEARCH
[1]Europe PMC2026
et al.. (2026). "Defective three-dimensional covalent organic frameworks for enhanced hydrogen peroxide photosynthesis and organic transformation.". https://doi.org/10.1038/s41467-026-71137-0
[2]Europe PMC2026
et al.. (2026). "Nonenzymatic Electrochemical Sensors for Hydrogen Peroxide Using a Cu-TCPP/rGO Nanocomposite.". https://doi.org/10.1021/acsomega.6c01882
[3]Europe PMC2026
et al.. (2026). "Catalyst Engineering for Photocatalytic Hydrogen Peroxide Production: State-of-the-Art Progress and Future Perspectives.". https://doi.org/10.3390/nano16080466
[4]Europe PMC2026
et al.. (2026). "Geometric and Electronic Engineering of Hydrogen Peroxide Production Electrocatalysts.". https://doi.org/10.1007/s40820-026-02189-6
[5]Europe PMC2026
et al.. (2026). "Deodorization of Tuna Peptides by Hydrogen Peroxide Oxidation.". https://doi.org/10.3390/molecules31040726
[6]Europe PMC2026
et al.. (2026). "Defect-Rich CoNi Prussian Blue Analogues Enable Highly Selective Electrochemical Hydrogen Peroxide Production.". https://doi.org/10.1002/anie.4958333
[7]Europe PMC2026
et al.. (2026). "A local polarization strategy for efficient sacrificial-free hydrogen peroxide photoproduction.". https://doi.org/10.1039/d6sc00783j
[8]Europe PMC2026
et al.. (2026). "Ameliorative effects of a Lactobacillus paracasei and Puerariae Radix extract complex on hydrogen peroxide-induced oxidative damage in zebrafish.". https://doi.org/10.3389/fphar.2026.
📚 Scientific references (Chicago Author-Date) 20 refs · 3 baz
MOLECULE Per-CAS bibliography (live from 13+ databases)
Sources: db:Europe PMC (15) · db:doaj (1) · db:pubmed (4)
- db:Europe PMC et al.. (2026). "Defective three-dimensional covalent organic frameworks for enhanced hydrogen peroxide photosynthesis and organic transformation.". https://doi.org/10.1038/s41467-026-71137-0 →
- db:Europe PMC et al.. (2026). "Nonenzymatic Electrochemical Sensors for Hydrogen Peroxide Using a Cu-TCPP/rGO Nanocomposite.". https://doi.org/10.1021/acsomega.6c01882 →
- db:Europe PMC et al.. (2026). "Catalyst Engineering for Photocatalytic Hydrogen Peroxide Production: State-of-the-Art Progress and Future Perspectives.". https://doi.org/10.3390/nano16080466 →
- db:Europe PMC et al.. (2026). "Geometric and Electronic Engineering of Hydrogen Peroxide Production Electrocatalysts.". https://doi.org/10.1007/s40820-026-02189-6 →
- db:Europe PMC et al.. (2026). "Deodorization of Tuna Peptides by Hydrogen Peroxide Oxidation.". https://doi.org/10.3390/molecules31040726 →
- db:Europe PMC et al.. (2026). "Defect-Rich CoNi Prussian Blue Analogues Enable Highly Selective Electrochemical Hydrogen Peroxide Production.". https://doi.org/10.1002/anie.4958333 →
- db:Europe PMC et al.. (2026). "A local polarization strategy for efficient sacrificial-free hydrogen peroxide photoproduction.". https://doi.org/10.1039/d6sc00783j →
- db:Europe PMC et al.. (2026). "Ameliorative effects of a Lactobacillus paracasei and Puerariae Radix extract complex on hydrogen peroxide-induced oxidative damage in zebrafish.". https://doi.org/10.3389/fphar.2026.1787487 →
- db:Europe PMC et al.. (2026). "Triazine-Engineered Conjugated Organic Polymers for Efficient Photocatalytic Hydrogen Peroxide Production.". https://doi.org/10.1021/acsomega.5c09463 →
- db:Europe PMC et al.. (2026). "Magnetic nanozymes for dual-modal SERS-colorimetric detection of hydrogen peroxide in foods.". https://doi.org/10.1016/j.foodchem.2026.150077 →
- db:Europe PMC et al.. (2026). "Structural equilibrium in indium oxide enables high-performance electrocatalytic hydrogen peroxide synthesis.". https://doi.org/10.1016/j.jcis.2026.141153 →
- db:Europe PMC et al.. (2026). "Recent progress of photo-electrochemical hydrogen peroxide production and its cascade reaction.". https://doi.org/10.1039/d6cc01830k →
- db:Europe PMC et al.. (2026). "Next-generation transition metal nanozymes with peroxidase-mimetic activity for ultrasensitive colorimetric hydrogen peroxide detection.". https://doi.org/10.1039/d5nr05040e →
- db:Europe PMC et al.. (2026). "Interfacial microenvironment engineering of cadmium sulfide by carbon dots towards efficient photocatalytic hydrogen peroxide production.". https://doi.org/10.1016/j.jcis.2026.141154 →
- db:Europe PMC et al.. (2026). "High-quality hydrogen peroxide production through electrochemical reduction of anthraquinone in ambient environment.". https://doi.org/10.1126/sciadv.ady6378 →
- db:doaj Pei Wang, Zhongwang Ruan, Lijun Liao et al.. (2026). "Oxygen vacancy engineered ultra-wide bandgap mesoporous Al2O3 towards optimized H2O2 photosynthesis". Environmental Functional Materials. https://doi.org/10.1016/j.efmat.2026.02.001 →
- db:pubmed Becker LC, Cherian PA, Bergfeld WF et al.. (2024). "Safety Assessment of Hydrogen Peroxide as Used in Cosmetics.". International journal of toxicology. https://doi.org/10.1177/10915818241237790 →
- db:pubmed Uematsu K. (2022). "Detection of hydrogen peroxide.". Analytical sciences : the international journal of the Japan Society for Analytical Chemistry. https://doi.org/10.1007/s44211-022-00052-3 →
- db:pubmed Wang C, Yamamoto H. (2015). "Asymmetric Epoxidation Using Hydrogen Peroxide as Oxidant.". Chemistry, an Asian journal. https://doi.org/10.1002/asia.201500293 →
- db:pubmed Bretón-Romero R, Lamas S. (2014). "Hydrogen peroxide signaling in vascular endothelial cells.". Redox biology. https://doi.org/10.1016/j.redox.2014.02.005 →
📡 Spectroscopy — CAS 7722-84-1
Spectroscopic spectra databases — inline data 9 sources
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.
MS (NIST)
Mass Spectrum (EI) — NIST WebBook
Public domain (US Federal)
NIST Standard Reference Database 1A
UV-Vis
UV/Visible Absorption — NIST WebBook
Public domain (US Federal)
NIST Chemistry WebBook, SRD 69
¹H NMR
NMR (¹H, ¹³C) — NMRShiftDB
nmrshiftdb2 Database License
https://nmrshiftdb.nmr.uni-koeln.de/nmrshiftdbhtml/nmrshiftdb2datalicense.txt
Type of data: Predicted (calculated by nmrshiftdb2, not measured) — inferred: the source file carries no deposited measurement
Basis: the file returned by the NMRShiftDB search-or-predict service is a JCAMP-DX LINK block with spectrometer frequency 0, and its values match no deposited NMRShiftDB spectrum of this compound on record at MolGod.
Basis: the file returned by the NMRShiftDB search-or-predict service is a JCAMP-DX LINK block with spectrometer frequency 0, and its values match no deposited NMRShiftDB spectrum of this compound on record at MolGod.
🔗 Source
About the downloads (Type of data: Predicted (calculated by nmrshiftdb2, not measured) — inferred: the source file carries no deposited measurement)
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.
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.
Steinbeck C et al. (2003) J. Chem. Inf. Comput. Sci. 43(6):1733–1739
DOI: 10.1021/ci0341363
MS (MoNA)
MoNA — MassBank of North America
CC-BY 4.0
MassBank of North America (UC Davis)
DOI: 10.1002/jms.1777
IR/NMR/MS (SDBS)
SDBS — Spectral Database for Organic Compounds (Japan AIST)
Free for non-commercial
Reference source — no public API. Open in an external database:
🔗 IR/NMR/MS (SDBS) →
SDBSWeb: https://sdbs.db.aist.go.jp (AIST, Japan)
JP Monograph
Japanese Pharmacopoeia — Monographs
Reference only
Reference source — no public API. Open in an external database:
🔗 JP Monograph →
Japanese Pharmacopoeia 18th Edition (2021)
WHO INN
WHO — International Nonproprietary Names
WHO Model Lists (free)
Reference source — no public API. Open in an external database:
🔗 WHO INN →
WHO INN Programme
DOAJ
DOAJ — Directory of Open Access Journals
OA journal index (mixed)
Reference source — no public API. Open in an external database:
🔗 DOAJ →
DOAJ — doaj.org
Purity Check Guide Quality control
Verify reagent purity using standardized analytical methods. Select a test method below and enter your measurement results for automated calculation.
🛡️ Safety — CAS 7722-84-1
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).
⚠️ Danger
🚨 Hazard statements (H)
- H271 — May cause fire or explosion; strong oxidiser
- H332 — Harmful if inhaled
- H302 — Harmful if swallowed
- H314 — Causes severe skin burns and eye damage
🛡 Precautionary statements (P)
- P210 — Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking
- P220 — Keep away from clothing and other combustible materials
- P260 — Do not breathe dust/fume/gas/mist/vapours/spray
- P264 — Wash thoroughly after handling
- P270 — Do not eat, drink or smoke when using this product
- P271 — Use only outdoors or in a well-ventilated area
- P280 — Wear protective gloves/protective clothing/eye protection/face protection
- P301+P312 — IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P301+P330+P331 — IF SWALLOWED: Rinse mouth; Do NOT induce vomiting
- P303+P361+P353 — IF ON SKIN (or hair): Take off immediately all contaminated clothing; Rinse skin with water or shower
- P304+P340 — IF INHALED: Remove person to fresh air and keep comfortable for breathing
- P305+P351+P338 — IF IN EYES: Rinse cautiously with water for several minutes; Remove contact lenses, if present and easy to do. Continue rinsing
- P310 — Immediately call a POISON CENTER or doctor/physician
- P312 — Call a POISON CENTER or doctor/physician if you feel unwell
- P321 — Specific treatment
- P330 — Rinse mouth
- P363 — Wash contaminated clothing before reuse
- P370+P378 — In case of fire: Use appropriate media to extinguish
- P405 — Store locked up
- P501 — Dispose of contents/container to an approved waste collection point
✓ Harmonised classification pursuant to Annex VI of the CLP Regulation (EC) 1272/2008 (official, binding classification). Index number: 008-003-00-9.
Reference (Chicago): European Chemicals Agency. "hydrogen peroxide solution … %, Index No. 008-003-00-9." 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 3:
not classifiable as to carcinogenicity to humans (evaluated by IARC).
(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 7722-84-1. 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.
📚 Consolidated scientific references — Chicago Author-Date 10 sources
References collected from all Safety Hub tabs. CAS: 7722-84-1 ·
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.
Analytical statistics (t-test · RSD · Grubbs · Q-Dixon) ICH Q2
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 means² = Σ(xᵢ - x̄)² / (n-1)— sample variances = √s²— standard deviationRSD% = (s / x̄) × 100%— relative standard deviationCI₉₅ = x̄ ± t(0.05, n-1) × s / √n— Student's tG = |xᵢ - x̄| / s— Grubbs' testQ = |xsuspect - xnearest| / |xmax - xmin|— Dixon Q-test
Source: ICH Q2(R2) Validation of Analytical Procedures · ICH PDF ↗
Buffer Recipe Calculator UNIQUE
Choose a buffer from the list of 20 popular systems → enter the target pH → get an exact recipe with the masses to weigh out.
Step 1: Choose a buffer system
📜 Recipe history (last 10)
Transport classification (ADR / IATA / IMDG) UN 2014
UN Number
UN 2014
Source: ADR 2025 Tabela A (adr_dangerous_goods.json)
🛣️ ADR Road Transport
- Class:
- 5.1
- Subsidiary risks:
- 8
- Packing Group:
- II
- Shipping name:
- Hydrogen peroxide, aqueous solution (20-60%)
- Tunnel Code:
- (E)
- Limited Quantity (L):
- 1
- Excepted Quantity:
- E2
✈️ IATA Air Transport
- Class:
- 5.1
- Packing instructions:
- 550 / 550
- Max quantity (PAX):
- 1 L
- Max quantity (CAO):
- 5 L
- Forbidden:
- NO
🚢 IMDG Sea Transport
- Class:
- 5.1
- EmS Code:
- F-H, S-Q
- Stowage:
- Category B
Sources: ADR 2025 ↗ · IATA DGR ↗ · IMDG Code ↗
Project Planner — Lab Experiment Manager NEW
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.
💡 Log in to save projects. Without logging in you can calculate but not save.
Stability & Shelf Life Advisor Arrhenius
Enter the storage conditions → the Arrhenius algorithm will predict the remaining concentration, half-life, and usage recommendation.
📐 Calculation details (Arrhenius + First-order)
Visual signs of degradation:
- Gas evolution (O₂ bubbles in solution)
- Yellow discoloration (contamination with organics)
- Bottle deformation (internal pressure from O₂)
- Cloudiness (precipitation of impurities)
🧪 Test Method: Permanganometry
- Reagent:
- 0.02M KMnO₄
- Procedure:
- Titrate 5 mL sample with KMnO₄ until faint pink persists for 30 seconds
- Calculation:
% H₂O₂ = (V_KMnO₄ × M_KMnO₄ × 17.007) / V_sample- References:
- DOI ↗
❄️ Storage recommendations
- Temperature:
- 2-8°C (refrigerate)
- Light:
- Protect from light - amber bottle
- Container:
- HDPE or glass (avoid metals)
- Stabilizers:
- Sodium stannate (0.05%) or 8-quinolinol
- Headspace:
- Minimize - oxygen release causes pressure
- Incompatible:
- Bases, reducing agents, metals, organics
🧪 Solution preparation assistant (Smart Prep)
Enter what you want to prepare — I'll generate an SOP
Examples below — click to insert:
Preset recipes:
📚 Scientific literature overview — CAS 7722-84-1
⭐ Key findings (scientific literature) 7 publications
🏆 CAS
7722-84-1
— multi-criteria ranking (W12): 30% citations · 20% recency · 20% topic · 15% historical · 15% open access.
-
#1Sies, H. (2014) · Redox BiologyWhy it matters: Must-cite (canon) · high impact (1180 citations) · review
-
#2Haber, F.; Weiss, J. (1934) · Proceedings of the Royal Society AWhy it matters: Must-cite (canon) · high impact (3400 citations) · historical paper (1934)
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#3Halliwell, B.; Gutteridge, J.M.C. (2007) · Oxford University PressWhy it matters: Must-cite (canon) · high impact (3400 citations) · review
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#4Crombie, R.; Edwards, J.K.; Freakley, S.J.; Sankar, M.; Knight, D.W. et al. (2017) · ScienceWhy it matters: Must-cite (canon) · 480 citations
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#5Goor, G.; Glenneberg, J.; Jacobi, S. (2003) · Ullmann's Encyclopedia of Industrial ChemistryWhy it matters: Must-cite (canon) · 420 citations
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#6Steinberg, S.M. (2008) · Environmental Monitoring and AssessmentWhy it matters: Must-cite (canon) · 140 citations
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#7Watt, B.E.; Proudfoot, A.T.; Vale, J.A. (2011) · Toxicological ReviewsWhy it matters: Must-cite (canon) · 210 citations
Why this page can be checked
Identity
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Data
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Classification
Read against the harmonised entry where one exists, with the index number stated. Self-classification is shown separately and labelled.
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Hydrogen Peroxide 35% Reagent — CAS 7722-84-1. Prepared from the supplier’s public catalogue; not verified against their internal data.
H2O2 — Risk of catalytic decomposition OXIDIZER GHS05
Decomposition data (catalyst: Fe)
| Relative rate constant | 50,000× |
|---|---|
| O2 Evolution (L/min·L) | 12.00 |
| Thermal runaway threshold | 45 °C |
Fenton chemistry: hydroxyl radicals (OH•) generated. Most aggressive common contaminant.
Fenton Reaction
Fe2+ + H2O2 → Fe3+ + OH• + OH−
Fenton chemistry generates hydroxyl radicals — extreme oxidative damage potential
Storage recommendations
- Store away from Fe, Cu, and Mn surfaces (even trace contamination).
- Use HDPE or passivated aluminum containers — NOT steel or glass with a metal closure.
- Use vented caps/vents — H2O2 generates O2, and pressure buildup can rupture a sealed container.
- Cool location, < 25 °C; avoid direct sunlight (UV catalyzes decomposition).
- Keep diluted (< 35 %) whenever possible — safer to handle.
Personal protective equipment (PPE)
- EN 374 Class 6 nitrile gloves
- EN 166 face shield
- EN 14605 chemical apron
Emergency Procedures
- Skin: Skin: rinse for 15 min with cold water; treat as a chemical burn.
- Eyes: Eyes: rinse for 20 min at an eyewash station; seek immediate medical attention.
- Spill: Spill: dilute 1:10 with water; absorb with vermiculite (NOT organic absorbents — paper/sawdust can ignite).
- Fire: Fire: do NOT use water on concentrated H2O2 — it sustains combustion. Extinguish with CO2/dry powder from upwind.
Sources (Chicago author-date)
- et al.. (2026). "Defective three-dimensional covalent organic frameworks for enhanced hydrogen peroxide photosynthesis and organic transformation.". https://doi.org/10.1038/s41467-026-71137-0
- et al.. (2026). "Nonenzymatic Electrochemical Sensors for Hydrogen Peroxide Using a Cu-TCPP/rGO Nanocomposite.". https://doi.org/10.1021/acsomega.6c01882
- et al.. (2026). "Catalyst Engineering for Photocatalytic Hydrogen Peroxide Production: State-of-the-Art Progress and Future Perspectives.". https://doi.org/10.3390/nano16080466
- et al.. (2026). "Geometric and Electronic Engineering of Hydrogen Peroxide Production Electrocatalysts.". https://doi.org/10.1007/s40820-026-02189-6
- et al.. (2026). "Deodorization of Tuna Peptides by Hydrogen Peroxide Oxidation.". https://doi.org/10.3390/molecules31040726
- et al.. (2026). "Defect-Rich CoNi Prussian Blue Analogues Enable Highly Selective Electrochemical Hydrogen Peroxide Production.". https://doi.org/10.1002/anie.4958333
- et al.. (2026). "A local polarization strategy for efficient sacrificial-free hydrogen peroxide photoproduction.". https://doi.org/10.1039/d6sc00783j
- et al.. (2026). "Ameliorative effects of a Lactobacillus paracasei and Puerariae Radix extract complex on hydrogen peroxide-induced oxidative damage in zebrafish.". https://doi.org/10.3389/fphar.2026.1787487
- et al.. (2026). "Triazine-Engineered Conjugated Organic Polymers for Efficient Photocatalytic Hydrogen Peroxide Production.". https://doi.org/10.1021/acsomega.5c09463
- et al.. (2026). "Magnetic nanozymes for dual-modal SERS-colorimetric detection of hydrogen peroxide in foods.". https://doi.org/10.1016/j.foodchem.2026.150077
- et al.. (2026). "Structural equilibrium in indium oxide enables high-performance electrocatalytic hydrogen peroxide synthesis.". https://doi.org/10.1016/j.jcis.2026.141153
- et al.. (2026). "Recent progress of photo-electrochemical hydrogen peroxide production and its cascade reaction.". https://doi.org/10.1039/d6cc01830k
- et al.. (2026). "Next-generation transition metal nanozymes with peroxidase-mimetic activity for ultrasensitive colorimetric hydrogen peroxide detection.". https://doi.org/10.1039/d5nr05040e
- et al.. (2026). "Interfacial microenvironment engineering of cadmium sulfide by carbon dots towards efficient photocatalytic hydrogen peroxide production.". https://doi.org/10.1016/j.jcis.2026.141154
- et al.. (2026). "High-quality hydrogen peroxide production through electrochemical reduction of anthraquinone in ambient environment.". https://doi.org/10.1126/sciadv.ady6378
- Pei Wang, Zhongwang Ruan, Lijun Liao et al.. (2026). "Oxygen vacancy engineered ultra-wide bandgap mesoporous Al2O3 towards optimized H2O2 photosynthesis". Environmental Functional Materials. https://doi.org/10.1016/j.efmat.2026.02.001
- Becker LC, Cherian PA, Bergfeld WF et al.. (2024). "Safety Assessment of Hydrogen Peroxide as Used in Cosmetics.". International journal of toxicology. https://doi.org/10.1177/10915818241237790
- Uematsu K. (2022). "Detection of hydrogen peroxide.". Analytical sciences : the international journal of the Japan Society for Analytical Chemistry. https://doi.org/10.1007/s44211-022-00052-3
- Wang C, Yamamoto H. (2015). "Asymmetric Epoxidation Using Hydrogen Peroxide as Oxidant.". Chemistry, an Asian journal. https://doi.org/10.1002/asia.201500293
- Bretón-Romero R, Lamas S. (2014). "Hydrogen peroxide signaling in vascular endothelial cells.". Redox biology. https://doi.org/10.1016/j.redox.2014.02.005
- NIOSH. 2024. "Pocket Guide to Chemical Hazards." Department of Health and Human Services. https://www.cdc.gov/niosh/npg/ (sekcja Hydrogen Peroxide; per EN 374:2013 standardów rękawic — butyl/Viton dla H2O2 ≥35%).
- OSHA. 2024. "Occupational Chemical Database." Occupational Safety and Health Administration (PEL-TWA 1 ppm dla H2O2 zgodnie z 29 CFR 1910.1000 Table Z-1).
- IPCS INCHEM. 2024. "International Programme on Chemical Safety — Hydrogen Peroxide ICSC 0164." https://www.inchem.org/.
- ECHA. 2024. "REACH Regulation Database — Hydrogen Peroxide Brief Profile." European Chemicals Agency. https://echa.europa.eu/.
- Lewis, Richard J. 2012. "Sax's Dangerous Properties of Industrial Materials." 12th ed. Wiley (CAS 7722-84-1: oxidizer Class 5.1, dekompozycja katalityczna).
- Goor, Gustaaf, Jürgen Glenneberg, and Sylvia Jacobi. 2007. "Hydrogen Peroxide." In Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH.
- Young, Jay A. 2003. "Improving Safety in the Chemical Laboratory." 3rd ed. Wiley (procedury rozcieńczania stężonego H2O2, schładzanie woda lodowa).
- Furr, A. Keith, ed. 2000. "CRC Handbook of Laboratory Safety." 5th ed. CRC Press (bezpieczne przechowywanie peroxide-formers, wentylacja LEV ≥0.5 m/s).
- U.S. Coast Guard, Department of Transportation. 1999. "CHRIS — Hazardous Chemical Data Manual." Volume II. Washington, DC: USCG.
- Schumb, Walter C., Charles N. Satterfield, and Ralph L. Wentworth. 1955. "Hydrogen Peroxide." ACS Monograph 128. New York: Reinhold.
- Fenton, H. J. H. 1894. "Oxidation of tartaric acid in presence of iron." Journal of the Chemical Society, Transactions 65: 899–910.
Data from PubChemSource: PubChem (NIH) · ChEMBL
📚 REFERENCES (Aggregate bibliography, Chicago Author-Date) 79 items
All scientific sources cited in the accordions above for CAS 7722-84-1. Format: Chicago Manual of Style 17th ed., Author-Date system.
🗄️ Scientific databases
- 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.
- NIST. n.d. NIST Chemistry WebBook: CAS 7722-84-1. Gaithersburg, MD: National Institute of Standards and Technology. https://webbook.nist.gov/cgi/cbook.cgi?ID=7722-84-1.
- AIST. n.d. Spectral Database for Organic Compounds (SDBS): CAS 7722-84-1. Tsukuba, Japan: National Institute of Advanced Industrial Science and Technology. https://sdbs.db.aist.go.jp/.
- PubChem. n.d. PubChem Compound Summary: CAS 7722-84-1. Bethesda, MD: National Center for Biotechnology Information (NCBI), National Library of Medicine. https://pubchem.ncbi.nlm.nih.gov/#query=7722-84-1.
📐 Standards / Guidelines
- ICH. 2003. "Stability Testing of New Drug Substances and Products: Q1A(R2)." Geneva: International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use. https://database.ich.org/sites/default/files/Q1A%28R2%29%20Guideline.pdf.
- National Fire Protection Association (NFPA). 2024. "NFPA 30: Flammable and Combustible Liquids Code." NFPA, Quincy, MA. https://www.nfpa.org/codes-and-standards/all-codes-and-standards/list-of-codes-and-standards/detail?code=30.
- Occupational Safety and Health Administration (OSHA). 2023. "29 CFR 1910.106 — Flammable Liquids." U.S. Department of Labor, Federal Register. https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.106.
- 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.
- 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. https://standards.cencenelec.eu/dyn/www/f?p=205:110:::::FSP_PROJECT,FSP_ORG_ID:38536,6080&cs=1B0DAA8B85DF42E4A2C70E5D71F0BFA32.
- European Committee for Standardization (CEN). 2001. "EN 166:2001 — Personal eye-protection — Specifications." CEN, Brussels. https://standards.cencenelec.eu/dyn/www/f?p=CEN:110:0::::FSP_PROJECT:6541&cs=1F1A4E0A78C4DB6A28DBE2E8C29D89DCF.
- 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. https://standards.cencenelec.eu/dyn/www/f?p=CEN:110:0::::FSP_PROJECT:21581&cs=1A04A2D3C7CC58E9E6CB58D55F7EBFB7E.
- 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.
- Occupational Safety and Health Administration (OSHA). 2011. "Personal Protective Equipment — General requirements." U.S. Department of Labor — 29 CFR 1910.132. https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.132.
📖 Books
- Hansen, Charles M. 2007. Hansen Solubility Parameters: A User's Handbook, 2nd ed.. Boca Raton, FL: CRC Press. https://www.routledge.com/Hansen-Solubility-Parameters-A-Users-Handbook/Hansen/p/book/9780849372483.
- Barton, Allan F. M. 1991. CRC Handbook of Solubility Parameters and Other Cohesion Parameters: 2nd ed.. Boca Raton, FL: CRC Press. https://www.routledge.com/CRC-Handbook-of-Solubility-Parameters-and-Other-Cohesion-Parameters/Barton/p/book/9780849301766.
- 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://openlibrary.org/isbn/9780471879558.
- Rumble, John R., ed. 2019. CRC Handbook of Chemistry and Physics: 100th Edition. Boca Raton, FL: CRC Press. https://hbcp.chemnetbase.com/.
- Urben, Peter G. 2017. Bretherick's Handbook of Reactive Chemical Hazards, 8th Edition. Academic Press / Elsevier, Oxford. https://www.sciencedirect.com/book/9780081010594.
📘 Monographs
- IARC. n.d. IARC Monographs on the Identification of Carcinogenic Hazards to Humans: CAS 7722-84-1. 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.
🌐 Websites
- ECHA. 2023. "Guidance on the Application of the CLP Criteria." European Chemicals Agency. https://echa.europa.eu/guidance-documents/guidance-on-clp.
- European Parliament. 2006. "Regulation (EC) No 1907/2006 (REACH)." Official Journal of the European Union L 396: 1–849.
- ECHA. 2023. "Candidate List of Substances of Very High Concern for Authorisation." European Chemicals Agency. https://echa.europa.eu/candidate-list-table.
- 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.
- ECHA. 2017. "Guidance on the Compilation of Safety Data Sheets." Version 3.1. European Chemicals Agency. ECHA-17-G-01-EN. https://echa.europa.eu/documents/10162/23047722/sds_en.pdf.
- ECHA. 2022. "Restrictions Under REACH — Annex XVII." European Chemicals Agency. https://echa.europa.eu/substances-restricted-under-reach.
- 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.
- ECHA. 2020. "Understanding REACH." European Chemicals Agency. https://echa.europa.eu/regulations/reach/understanding-reach.
- ECHA — Annex VI to CLP (harmonised classification, ATP 23; 2026-07-07) https://echa.europa.eu/information-on-chemicals/annex-vi-to-clp.
- 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/.
- European Pharmacopoeia Commission. 2024. "2.2.46 Chromatographic Separation Techniques." In European Pharmacopoeia, 11th ed. Strasbourg: Council of Europe — EDQM. https://www.edqm.eu/en/european-pharmacopoeia-ph-eur-11th-edition.
- International Council for Harmonisation (ICH). 2022. "ICH Q2(R2): Validation of Analytical Procedures." International Council for Harmonisation. https://database.ich.org/sites/default/files/ICH_Q2%28R2%29_Guideline_2022_1130.pdf.
- International Council for Harmonisation (ICH). 1996. "ICH Q3A: Impurities in New Drug Substances." International Council for Harmonisation. https://database.ich.org/sites/default/files/Q3A%28R2%29%20Guideline.pdf.
- 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.
- EURACHEM/CITAC. 2012. "Quantifying Uncertainty in Analytical Measurement." 3rd ed. EURACHEM/CITAC Guide CG 4. https://www.eurachem.org/images/stories/Guides/pdf/QUAM2012_P1.pdf.
- 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.
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- 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.
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- 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.
- International Air Transport Association. 2026. Dangerous Goods Regulations (DGR). 67th ed. Montreal: IATA. https://www.iata.org/en/programs/cargo/dgr/.
- International Maritime Organization. 2024. International Maritime Dangerous Goods (IMDG) Code, 2024 Edition (Amendment 42-24). London: IMO. https://www.imo.org/en/OurWork/Safety/Pages/DangerousGoods-default.aspx.
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- 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
- Polska — Sejm RP. 2012. "Ustawa z dnia 14 grudnia 2012 r. o odpadach." Dz.U. 2013 poz. 21 (z późn. zm.). https://isap.sejm.gov.pl/isap.nsf/DocDetails.xsp?id=WDU20130000021. National rules — Poland
- Furr, A. Keith, ed.. 2000. "CRC Handbook of Laboratory Safety." CRC Press.
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- Lewis, Richard J.. 2012. "Sax's Dangerous Properties of Industrial Materials." Wiley.
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- OSHA. 2024. "Occupational Chemical Database — Hazardous Waste Operations (HAZWOPER)." Occupational Safety and Health Administration. https://www.osha.gov/chemicaldata.
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COMPUTED — PubChem3D · 3D conformer computed by PubChem using OMEGA; not an experimental structure.
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- Hydrogen Peroxide ·
7722-84-1 - InChIKey
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MolGod STL Exporter build 48804cd20b0d· generated 2026-10-14 - SHA-256 (STL)
- e4b9685a361e93d7c6b5441d8c5d45b62f6a3d3df5e7b9362b66590b0c4e81d8
- MD5 (STL)
- 80c729deab345ef94ae17288cf03c316
- MolGod Identification Number
- MG_714-204-929-75
- Transformation
- MolGod Scientific ball-and-stick mesh
- Changes
- Converted into a triangulated molecular mesh; atomic coordinates and connectivity unchanged.
- Wikimedia Commons
- not published yet
Free printable molecule model
Download the model, print it and use it in education. When you publish a photo, a material or an adaptation, the CC BY-SA 4.0 International licence requires you to credit “MolGod Scientific” as the author of the model, link to the original and to the licence text, indicate any changes you made and share adaptations under the same licence. A ready-to-use attribution text is in this section. No sign-up, no fees and no obligation to leave a review.
Download the model, print it and use it in education. When you publish a photo, a material or an adaptation, the CC BY-SA 4.0 International licence requires you to credit “MolGod Scientific” as the author of the model, link to the original and to the licence text, indicate any changes you made and share adaptations under the same licence. A ready-to-use attribution text is in this section. No sign-up, no fees and no obligation to leave a review.
This license applies to the MolGod-created STL mesh, not automatically to third-party source material.