Para-phenylenediamine (PPD, 1,4-benzenediamine)

Safety Summary

Regulatory Status

Sources

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

• PubChem Compound CID 7814 DATABASE
• EPA CompTox Chemicals Dashboard — DTXSID9021138 EPA
• ATSDR Toxicological Profile — CAS 106-50-3 REFERENCE
• CDC - NIOSH Pocket Guide to Chemical Hazards - p-Phenylene diamine REGULATORY
• IARC Monographs, List of Classifications REGULATORY · 2026
• where to look IARC Monographs — Monographs available (index) REGULATORY · 2026
• identity database ECHA CHEM, Download all substances: REACH registrations (ECHA's own list of REACH-registered substances) REGULATORY · 2026
• OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26) REGULATORY
• where to look ILO-WHO International Chemical Safety Cards (ICSCs), as recorded by PubChem (Experimental Properties, CID 7814; where-to-look, not a source of this value) DATABASE · 2026
• EPA CompTox CTX API: predicted properties for DTXSID9021138 (Para-phenylenediamine (PPD, 1,4-benzenediamine)) 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.