MTBE (methyl tert-butyl ether)

Safety Summary

Regulatory Status

Sources

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

• US EPA: Drinking Water Advisory: Consumer Acceptability Advice and Health Effects Analysis on Methyl Tertiary-Butyl Ether (MTBE) — Taste/Odor Threshold 20–40 μg/L, No Federal MCL Established (1997) REGULATORY · 1997
• WHO Guidelines for Drinking-water Quality (4th edition, incorporating the 1st and 2nd addenda, 2022) — Disinfection Byproducts: THMs, HAAs, Chlorite, Bromate, Chloral Hydrate; Guideline Values and Health Basis REGULATORY · 2022
• 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
• ECHA Annex VI to CLP: the unofficial Excel table (up to and including the 23rd ATP) (secondary: unofficial by its own statement) 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 15413) PUBCHEM
• Consolidated TEXT: 32009L0161 — EN — 21.08.2018 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 15413; 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 15413; where-to-look, not a source of this value) DATABASE · 2026
• EPA CompTox CTX API: predicted properties for DTXSID3020833 (MTBE (methyl tert-butyl ether)) REFERENCE

Same data as the API response, which is open and needs no key. The full per-record source list is available to authenticated callers.