Antimony trioxide (FR synergist)

Safety Summary

Regulatory Status

Sources

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

• IARC Monographs Volume 47 (1989): Antimony Trioxide — Group 2B (superseded by Volume 131, 2023: trivalent antimony Group 2A); inhalation-route lung tumours in rats, limited human evidence from smelter workers, FR synergist applications REGULATORY · 1989
• identity database ECHA CHEM, Download all substances: REACH registrations (ECHA's own list of REACH-registered substances) REGULATORY · 2026
• CDC - NIOSH Pocket Guide to Chemical Hazards - Antimony REGULATORY
• OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26) REGULATORY
• 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.