Cyclohexane

Safety Summary

Regulatory Status

Sources

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

• NIOSH Pocket Guide: Cyclohexane — IDLH 1300 ppm; PEL 300 ppm; CNS narcosis; no neuropathy unlike n-hexane; cyclohexanol biomarker; nylon feedstock; LEL 1.3% flammability priority (2019) REGULATORY · 2019
• OSHA: Cyclohexane — adipic acid/nylon production; TLV 100 ppm; n-hexane neuropathy distinction; polymer/rubber solvent; flammability controls; CYP2E1 hydroxylation metabolism (2020) REGULATORY · 2020
• § 1910.1000 Air contaminants. REGULATORY
• Cyclohexane | CASRN 110-82-7 | DTXSID4021923 | 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 8078) PUBCHEM
• NIOSH Pocket Guide to Chemical Hazards: Cyclohexane (npgd0163) REGULATORY
• L_2006038EN.01003601.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 8078; where-to-look, not a source of this value) DATABASE · 2026
• EPA CompTox CTX API: predicted properties for DTXSID4021923 (Cyclohexane) 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.