Radium (Ra-226, Ra-228, natural)

Safety Summary

Regulatory Status

Sources

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

• PubChem Compound CID 6328144 DATABASE
• EPA CompTox Chemicals Dashboard — DTXSID2024294 EPA
• ATSDR Toxicological Profile — CAS 7440-14-4 REFERENCE
• where to look IARC Monographs — Monographs available (index) REGULATORY · 2026
• Permissible Exposure Limits – OSHA Annotated Table Z-1 REGULATORY

The IARC classification shown under Regulatory Status is cited to the source below. It is a record-wide citation for that classification, not a source for the adult risk band.

• IARC Monographs Volume 100D: Radiation REGULATORY · 2012
• IARC Monographs — List of Classifications: Radium-226 and its decay products; Radium-228 and its decay products (Group 1) IARC

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