Molybdenum trioxide
CAS: 1313-27-5
Moderate To High Risk (Adults)
Safety Summary
Hazard Profilehazardous
Risk (Adults)Moderate To High
Risk (Children)Moderate To High
Regulatory Status
SummaryIARC: Group 2B | California Prop 65 listed
Molecular FormulaMoO3
Molecular Weight143.95
Sources
No citations are recorded specifically for the human adult context, so the record-wide source list is shown. It backs the record, not this particular band.
- where to look IARC Monographs Volume 118: Welding, Molybdenum Trioxide, and Indium Tin Oxide REGULATORY · 2018
- NTP Technical Report TR-462 — Toxicology and Carcinogenesis Studies of Molybdenum Trioxide (MoO3) in F344/N Rats and B6C3F1 Mice (Inhalation Studies); canonical IARC-118-driving lung-tumor cohort STUDY · 1997
- ECHA REACH Registration + CLP Notification — Molybdenum Trioxide (Carc. 1B Group 2B reflection; Acute Tox. 4 oral; Eye Irrit. 2; STOT-RE inhalation framework) REGULATORY · 2020
- Cal/OSHA: 8 CCR 5155 Airborne Contaminants (Table AC-1) REGULATORY · 2020
- CDC - NIOSH Pocket Guide to Chemical Hazards - Molybdenum REGULATORY · 2019
- CDC - NIOSH Pocket Guide to Chemical Hazards - Molybdenum REGULATORY
- CDC - NIOSH Pocket Guide to Chemical Hazards - Molybdenum (soluble compounds, as Mo) REGULATORY
- Subpart D—Occupational Health and Environmental Controls REGULATORY
- § 1910.1000 Air contaminants. REGULATORY
- Permissible Exposure Limits – OSHA Annotated Table Z-1 | Occupational Safety and Health Administration REGULATORY
- PROPOSITION 65 LIST OF CARCINOGENS OR REPRODUCTIVE TOXICANTS REGULATORY · 2026
- IARC Monographs, List of Classifications REGULATORY · 2026
- where to look IARC Monographs — Monographs available (index) REGULATORY · 2026
- 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 14802) PUBCHEM
- Computational Toxicology and Exposure APIs: Data Domains (EPA CCTE) REGULATORY
- CompTox Chemicals Dashboard: Release Notes (EPA) REGULATORY
- 29 CFR 1910.1000 Air contaminants (Tables Z-1, Z-2, Z-3) REGULATORY
- Permissible Exposure Limits – OSHA Annotated Table Z-1 REGULATORY
- PubChem computed properties for CID 14802 (computed, not measured; as recorded by PubChem) DATABASE · 2026
- where to look CAMEO Chemicals, as recorded by PubChem (Experimental Properties, CID 14802; 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
- PubChem computed structure descriptors for CID 14802 (computed, not measured; as recorded by PubChem) DATABASE · 2026
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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