Diacetyl (butter flavor; 2,3-butanedione)

Safety Summary

Regulatory Status

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.

• Criteria for a Recommended Standard: Occupational Exposure to Diacetyl and 2,3-Pentanedione REGULATORY · 2016
• Criteria for a Recommended Standard Occupational Exposure to Diacetyl and 2,3-Pentanedione REGULATORY
• Criteria for a Recommended Standard: Occupational Exposure to Diacetyl and 2,3-Pentanedione | Publications | CDC 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 650 (computed, not measured; as recorded by PubChem) DATABASE · 2026
• where to look PubChem: Toxicity section (CID 650) PUBCHEM
• L_2017027EN.01011501.xml REGULATORY
• 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 650; where-to-look, not a source of this value) DATABASE · 2026
• where to look Haz-Map, Information on Hazardous Chemicals and Occupational Diseases, as recorded by PubChem (Experimental Properties, CID 650; 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 650; where-to-look, not a source of this value) DATABASE · 2026
• where to look Joint FAO/WHO Expert Committee on Food Additives (JECFA), as recorded by PubChem (Experimental Properties, CID 650; where-to-look, not a source of this value) DATABASE · 2026
• EPA CompTox CTX API: predicted properties for DTXSID6021583 (Diacetyl (butter flavor; 2,3-butanedione)) REFERENCE
• PubChem computed structure descriptors for CID 650 (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.