Acetic acid

Safety Summary

Regulatory Status

Sources

These citations are the ones recorded for the human adult context.

• NIOSH Pocket Guide: Acetic Acid — IDLH 50 ppm; PEL 10 ppm; glacial acetic acid burns; flammable liquid; industrial uses; corrosive concentrations; occupational monitoring (2019) REGULATORY · 2019
• FDA GRAS: Acetic Acid and Vinegar — GRAS food additive; pickling; preservation; ACV supplement concerns; esophagitis; otic solution clinical use; biological metabolite (2021) REGULATORY · 2021
• § 1910.1000 Air contaminants. REGULATORY
• identity database ECHA CHEM, Download all substances: REACH registrations (ECHA's own list of REACH-registered substances) REGULATORY · 2026
• where to look PubChem: Toxicity section (CID 176) PUBCHEM
• NIOSH Pocket Guide to Chemical Hazards: Acetic acid (npgd0002) REGULATORY
• L_2017027EN.01011501.xml REGULATORY
• OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26) REGULATORY
• where to look Hazardous Substances Data Bank (HSDB), as recorded by PubChem (Experimental Properties, CID 176; where-to-look, not a source of this value) DATABASE · 2026
• EPA CompTox CTX API: predicted properties for DTXSID5024394 (Acetic acid) REFERENCE
• ECHA Annex VI to CLP: the unofficial Excel table (up to and including the 23rd ATP) REGULATORY

Same data as the API response, which is open and needs no key. The full per-record source list is available to authenticated callers.