1,2-Butylene oxide

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.

• IARC Monographs Vol 47 and Vol 71 (1999): 1,2-Epoxybutane (Butylene Oxide) Group 2B Possibly Carcinogenic; Ames Test Genotoxic In Vitro; Reactive Monoepoxide DNA Adducts GSH Conjugation Epoxide Hydrolase; Occupational Inhalation Exposure; ACGIH NIOSH Exposure Limits; Not NTP EPA EFSA Classified REGULATORY · 1999
• IARC Monographs, List of Classifications 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 7834) PUBCHEM
• Computational Toxicology and Exposure APIs: Data Domains (EPA CCTE) REGULATORY
• CompTox Chemicals Dashboard: Release Notes (EPA) REGULATORY
• OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26) REGULATORY
• 1,2-Epoxybutane (EBU); CASRN 106-88-7: IRIS Chemical Assessment Summary ASSESSMENT
• PubChem computed properties for CID 7834 (computed, not measured; as recorded by PubChem) DATABASE · 2026
• where to look CAMEO Chemicals, as recorded by PubChem (Experimental Properties, CID 7834; 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 7834; where-to-look, not a source of this value) DATABASE · 2026
• EPA CompTox CTX API: predicted properties for DTXSID6020569 (1,2-Butylene oxide) REFERENCE
• ECHA Annex VI to CLP: the unofficial Excel table (up to and including the 23rd ATP) REGULATORY
• PubChem computed structure descriptors for CID 7834 (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.