Skip to Main Navigation
Skip to Page Content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Testing Status of 2-Butyne-1,4-diol M960104


CASRN: 110-65-6

Formula: C4-H6-O2

Synonyms/Common Names

  • Agrisynth B3D
  • 1,4-Butynediol
  • 2-Butyne-1,4-diol
  • 1,4-Dihydroxy-2-butyne

Special Studies

  • Absorption Disposition Metabolism Elimination (Gavage; Topical Application; Intravenous; Topical Application)  (S0821)  Completed 
    • Male Rats: F344/N; Male Mice: B6C3F1
    • Dose: 0.5, 5 and 50 mg/kg.

Genetic Toxicology

  • Salmonella  (A78093)  Completed 
    •  Negative