1,1,1-Trichloroethane (methyl chloroform)

Safety Summary

Regulatory Status

Sources

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

• IARC Monographs Volume 130 — 1,1,1-Trichloroethane and Four Other Industrial Chemicals (2022) REGULATORY · 1999
• US EPA: National Primary Drinking Water Regulations — Volatile Organic Chemicals (40 CFR 141.61); TCE MCL 5 μg/L, PCE MCL 5 μg/L, CCl4 MCL 5 μg/L, Chloroform MCL via TTHM, 1,2-DCE MCL 5 μg/L, 1,1,1-TCA MCL 200 μg/L REGULATORY · 1989
• CDC - NIOSH Pocket Guide to Chemical Hazards - Methyl chloroform REGULATORY
• § 1910.1000 Air contaminants. REGULATORY
• Permissible Exposure Limits – OSHA Annotated Table Z-1 | Occupational Safety and Health Administration REGULATORY
• IARC Monographs, List of Classifications REGULATORY · 2026
• 1,1,1-Trichloroethane | CASRN 71-55-6 | DTXSID0021381 | IRIS | US EPA, ORD 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 6278) PUBCHEM
• Consolidated TEXT: 32000L0039 — EN — 20.05.2021 REGULATORY
• OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26) REGULATORY
• where to look CAMEO Chemicals, as recorded by PubChem (Experimental Properties, CID 6278; where-to-look, not a source of this value) DATABASE · 2026
• EPA CompTox CTX API: predicted properties for DTXSID0021381 (1,1,1-Trichloroethane (methyl chloroform)) 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.