2-butene-1,3-diol

Name:
2-butene-1,3-diol
Detailed information:

M Formula:	HOCH2CH:CHCH2OH
Properties:
Almost colorless; odorless liquid. Fp range 4.0–7.0C, bp range 232–235C, d 1.067–1.074, refr index 1.476–1.478 (25C), flash p 263F (128C). Miscible with water, ethanol, and acetone; sparingly soluble in benzene. Technical butenediol is predominantly the cis isomer. Combustible.
Derivation:
Reduction of 2-butyne-1,4-diol, by high-pressure synthesis from acetylene and formaldehyde.
Hazard:
Primary skin irritant.
Use:
Intermediate for alkyd resins, plasticizers, nylon, pharmaceuticals; cross-linking agent for synthetic resins; fungicides.