# Kwas acetylosalicylowy CAS: 50-78-2 PubChem CID: 2244 InChIKey: BSYNRYMUTXBXSQ-UHFFFAOYSA-N Wikidata: Q18216 Molecular formula: C₉H₈O₄ Molar mass: 180.16 g/mol SMILES: CC(=O)Oc1ccccc1C(=O)O logP (XLogP3): 1.19 PSA: 63.6 A^2 Hydrogen bond donors: 1 Hydrogen bond acceptors: 4 3D structure: 22 atoms, 22 bonds ## About the compound Kwas acetylosalicylowy is a chemical compound registered under CAS number 50-78-2. Molecular formula: C₉H₈O₄. Molar mass: 180.16 g/mol. The molecule contains 22 atoms connected by 22 chemical bonds. Chemical data comes from the PubChem (NIH), ChEMBL (EBI) and NIST WebBook databases. GHS statement translations comply with the CLP Regulation (EC 1272/2008). Interactive 3D model and 2D skeleton available at: https://molgod.org/molecule/50-78-2/ ## GHS classification Signal word: Warning Pictograms: GHS07 Hazard statements (H): H302: Harmful if swallowed H315: Causes skin irritation Precautionary statements (P): P260: Do not breathe dust/fume/gas/mist/vapours/spray P270: Do not eat, drink or smoke when using this product ## Toxicology (LD50) LD50 (szczur, doustnie): 200 mg/kg ## Synonyms - Aspiryna - Aspirin - Acetylsalicylic acid - Acenter ## Regulatory compliance checklist 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). 4 required / 12 items [required] SDS (Safety Data Sheet) available (sds) How to comply: Requirement: current SDS compliant with Reg. 1907/2006 (REACH) Annex II, 16-section format. Source / form: https://echa.europa.eu/information-on-chemicals [required] Compliant CLP label (pictograms + signal word + H/P) (clp_label) 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). Source / form: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32008R1272 [required] Chemical OSH training (substance-specific) (bhp_training) How to comply: Laboratory staff: initial training (general induction + job-specific) + refresher training every 5 years (or every 3 for engineering/technical positions). Documentation kept in personnel files. Source / form: https://isap.sejm.gov.pl/isap.nsf/DocDetails.xsp?id=WDU20040180169 [not applicable] BDO registration (Polish Waste Database) (bdo_registration) How to comply: The verified GHS classification does not indicate classes resulting in hazardous waste — BDO registration for this substance is not required. Verify the EWC code for the specific waste form. Source / form: https://bdo.mos.gov.pl/ [not applicable] ADR transport (international agreement) (adr_transport) How to comply: Under ADR 2025 the substance is not classified as dangerous goods for road transport — standard carriage. Always confirm the form/concentration against section 14 of the safety data sheet. Source / form: https://unece.org/transport/dangerous-goods/adr-2025-files [conditional] REACH registration (>1 t/year EU import) (reach_registration) 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. Source / form: https://echa.europa.eu/regulations/reach/registration [to be verified] SVHC notification (Substances of Very High Concern) (svhc_declaration) How to comply: SVHC status not verified against the available dataset — check the current ECHA candidate list; do not assume the absence of an entry. Source / form: https://echa.europa.eu/candidate-list-table [to be verified] REACH Annex XIV (authorisation list) (reach_annex_xiv) How to comply: Not verified against the ECHA Authorisation List — check REACH Annex XIV. Source / form: https://echa.europa.eu/authorisation-list [to be verified] REACH Annex XVII (use/marketing restrictions) (reach_annex_xvii) Source / form: https://echa.europa.eu/substances-restricted-under-reach [to be verified] OEL — Occupational Exposure Limit in the working environment (nds_workplace) How to comply: No NDS data in the MOL-GOD dataset (incomplete set — ~41 of ~600 substances in the list). Absence does NOT mean there is no NDS — check the full list in Dz.U. 2024 poz. 1017 (Regulation of the Ministry of Family and Social Policy of 4 September 2024), and where none exists apply the OEL from EU directives or values recommended by NIOSH/ACGIH. Source / form: https://isap.sejm.gov.pl/isap.nsf/DocDetails.xsp?id=WDU20240001017 [to be verified] GIS register (precursors / psychotropics) (gis_register) How to comply: Does not appear in the available working set of precursors (list incomplete). Absence is NOT a confirmation — verify against Annex I of Reg. (EC) 273/2004 and the GIS list before placing on the market. Source / form: https://www.gov.pl/web/gis [required] Safety Data Sheet in Polish (sds_pl) How to comply: Requirement: SDS in Polish for trade in PL (Art. 31 REACH + Chemical Substances Act Art. 17). Source / form: https://isap.sejm.gov.pl/isap.nsf/DocDetails.xsp?id=WDU20012112135 ## Data sources - PubChem CID 2244: https://pubchem.ncbi.nlm.nih.gov/compound/2244 - Wikidata: https://www.wikidata.org/wiki/Q18216 - NIST WebBook: https://webbook.nist.gov/cgi/cbook.cgi?ID=50-78-2 - ChEMBL: https://www.ebi.ac.uk/chembl/g/#search_results/all/query=50-78-2 --- Standalone HTML page: https://molgod.org/molecule/50-78-2/ Markdown version: https://molgod.org/molecule/50-78-2.md JSON API: https://molgod.org/wp-json/molgod/v1/molecule/50-78-2 Last updated: 2026-09-25 Generator: MOL-GOD v3.12.33