Arsenic (inorganic)

CAS: 7440-38-2 | Type: heavy_metal

Severe Risk (Adults)

Safety Summary

Hazard Profilehazardous

Risk (Adults)Severe

Risk (Children)Severe

Regulatory Status

SummaryIARC: Group 1 | California Prop 65 listed

NGO listOn the TEDX List of Potential Endocrine Disruptors (The Endocrine Disruption Exchange, a non-governmental list; last updated September 2018). This is a list membership, not a regulatory classification. Source: the TEDX List export (publisher's page)

Molecular FormulaAs

Molecular Weight74.92159

Food Safety Thresholds (Baby Food)

United States (FDA) — Infant Rice Cereal100 ppb (non-binding guidance)

United States (FDA) — Apple Juice10 ppb (non-binding guidance)

United States (FDA) — Processed Baby Food GeneralNo level set (no governing limit)

European Union — Rice For Infant Food100 ppb (binding maximum)

California (AB-899) — Processed Baby Food GeneralNo level set (disclosure mandate, not a level)

Governance status, not safety advice — see the full coverage-gap & legal-force matrix.

Sources

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

IARC Monographs Volume 100C: Arsenic and Arsenic Compounds REGULATORY · 2012
US EPA IRIS Assessment: Arsenic, Inorganic REGULATORY · 1998
§ 1910.1000 Air contaminants. REGULATORY
§ 1910.1018 Inorganic arsenic. REGULATORY
Arsenic, Inorganic | CASRN 7440-38-2 | DTXSID4023886 | IRIS | US EPA, ORD REGULATORY
Guidelines for drinking-water quality: fourth edition incorporating the first, second and third addenda REGULATORY
IARC Monographs, List of Classifications REGULATORY · 2026
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
where to look PubChem: Toxicity section (CID 5359596) PUBCHEM
OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26) 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
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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