Iron oxide (Fe3O4, FeO, Fe2O3) Safety Profile

Safety Summary

Hazard Profilehazardous

Risk (Adults)High

Risk (Children)High

Risk (Dogs)Moderate To High

Risk (Cats)Moderate To High

Regulatory Status

SummaryNo major regulatory flags

Molecular FormulaCr2O3

Molecular Weight151.99

Sources

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

PubChem Compound CID 517277 DATABASE
EPA CompTox Chemicals Dashboard — DTXSID4043721 EPA
ATSDR Toxicological Profile — CAS 1308-38-9 REFERENCE
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

Same data as the API response, which is open and needs no key. The full per-record source list is available to authenticated callers.

Embed safety badge

<img src="https://api.aletheia.holisticquality.io/api/badge/hq-c-org-000645?context=human_adult&style=flat" alt="Iron oxide (Fe3O4, FeO, Fe2O3) safety badge">