Selenium

Safety Summary

Regulatory Status

Sources

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

• ATSDR: Toxicological Profile for Selenium — Narrow Therapeutic Window, Selenosis Signs, Brazil Nuts, Kesterson Reservoir, and Aquatic Bioaccumulation REGULATORY · 2003
• US EPA IRIS: Selenium — Oral Reference Dose, Drinking Water MCL (50 ppb), Aquatic Life Criterion (1.5 μg/L tissue-based), and Selenosis Endpoint REGULATORY · 2016
• IARC Monographs, List of Classifications REGULATORY · 2026
• Selenium and Compounds | CASRN 7782-49-2 | DTXSID9021261 | IRIS | US EPA, ORD REGULATORY
• Federal Contaminated Site Risk Assessment in Canada, Part II: Health Canada Toxicological Reference Values (TRVs) and Chemical-Specific Factors, Version 2.0 REGULATORY
• identity database ECHA CHEM, Download all substances: REACH registrations (ECHA's own list of REACH-registered substances) REGULATORY · 2026
• NIOSH Pocket Guide to Chemical Hazards - Selenium REGULATORY
• 29 CFR 1910.1000 Air contaminants (Tables Z-1, Z-2, Z-3) — eCFR full-text XML, 2026-09-22 REGULATORY
• Permissible Exposure Limits – OSHA Annotated Table Z-1 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
• OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26) REGULATORY
• where to look CAMEO Chemicals, as recorded by PubChem (Experimental Properties, CID 6326970; where-to-look, not a source of this value) DATABASE · 2026
• where to look EPA CompTox CTX API: predicted properties for DTXSID9021261 (Selenium) 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.