Methacrylic acid
CAS: 79-41-4 | Type: monomer
Low Risk (Adults)
Safety Summary
Hazard Profilehazardous
Risk (Adults)Low
Risk (Children)Low
Regulatory Status
SummaryNo major regulatory flags
Molecular FormulaC4H6O2
Molecular Weight86.09
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.
- US EPA OSHA Methacrylic Acid CAS 79-41-4 Corrosive Vinyl Carboxylic Acid PEL 20 ppm; PMMA Plexiglas HEMA Contact Lens Dental Resin Monomer; Metabolized CO2 Acetone β-Oxidation; Readily Biodegradable; No IARC NTP EPA EFSA Carcinogenicity Classification; Medical Device Biocompatible Polymers REGULATORY · 2020
- Air Contaminants Update Project | NIOSH | CDC REGULATORY
- CDC - NIOSH Pocket Guide to Chemical Hazards - Methacrylic acid REGULATORY
- Computational Toxicology and Exposure APIs: Data Domains (EPA CCTE) REGULATORY
- CompTox Chemicals Dashboard: Release Notes (EPA) REGULATORY
- identity database ECHA CHEM, Download all substances: REACH registrations (ECHA's own list of REACH-registered substances) REGULATORY · 2026
- PubChem computed properties for CID 4093 (computed, not measured; as recorded by PubChem) DATABASE · 2026
- where to look PubChem: Toxicity section (CID 4093) PUBCHEM
- 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 4093; where-to-look, not a source of this value) DATABASE · 2026
- where to look Hazardous Substances Data Bank (HSDB), as recorded by PubChem (Experimental Properties, CID 4093; where-to-look, not a source of this value) DATABASE · 2026
- EPA CompTox CTX API: predicted properties for DTXSID3025542 (Methacrylic acid) REFERENCE
- ECHA Annex VI to CLP: the unofficial Excel table (up to and including the 23rd ATP) REGULATORY
- PubChem computed structure descriptors for CID 4093 (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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