Parathion (ethyl parathion)

Safety Summary

Regulatory Status

Sources

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

• IARC Monographs Volume 30: Occupational Exposures in Insecticide Application and Some Pesticides — Parathion and Methyl Parathion Group 2B Classification (1983) REGULATORY · 1983
• WHO Environmental Health Criteria 79: Parathion — Acute Neurotoxicity, AChE Inhibition, Occupational Exposure, and Ecological Risk (1992) REGULATORY · 1992
• § 1910.1000 Air contaminants. REGULATORY
• PROPOSITION 65 LIST OF CARCINOGENS OR REPRODUCTIVE TOXICANTS REGULATORY · 2026
• IARC Monographs, List of Classifications REGULATORY · 2026
• Parathion | CASRN 56-38-2 | DTXSID7021100 | IRIS | US EPA, ORD REGULATORY
• where to look PubChem: Toxicity section (CID 991) PUBCHEM
• NIOSH Pocket Guide to Chemical Hazards: Parathion (npgd0479) REGULATORY
• TEDX List of Potential Endocrine Disruptors, full export (Excel from the publisher's own search, operator-saved 2026-10-08; list last updated September 2018) REFERENCE_DATABASE
• where to look CAMEO Chemicals, as recorded by PubChem (Experimental Properties, CID 991; where-to-look, not a source of this value) DATABASE · 2026
• where to look PAC Chemical Database, U.S. Department of Energy, as recorded by PubChem (Experimental Properties, CID 991; where-to-look, not a source of this value) DATABASE · 2026
• EPA CompTox CTX API: predicted properties for DTXSID7021100 (Parathion (ethyl parathion)) 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.