Thallium
CAS: 7440-28-0 | Type: heavy_metal
High Risk (Adults)
Safety Summary
Hazard Profilehazardous
Risk (Adults)High
Risk (Children)High
Risk (Dogs)High
Risk (Cats)High
Regulatory Status
SummaryNo major regulatory flags
Molecular FormulaTl
Molecular Weight204.383
Sources
These citations are the ones recorded for the human adult context.
- ATSDR: Toxicological Profile for Thallium — Acute Toxicity, Alopecia Triad, K⁺-Mimicry Mechanism, Poisoning History, and Environmental Exposure REGULATORY · 1992
- US EPA IRIS: Thallium (I) — Oral Reference Dose, Drinking Water MCL (0.002 mg/L), Peripheral Neuropathy Endpoint, and Chronic Toxicity Assessment REGULATORY · 1996
- 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
- OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26) REGULATORY
- where to look Hazardous Substances Data Bank (HSDB), as recorded by PubChem (Experimental Properties, CID 5359464; where-to-look, not a source of this value) DATABASE · 2026
- 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.
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