1,4-Butanediol (BDO)

Chinese Name

1,4-Butanediol

English Name

1,4-Butanediol

Chinese Alias

BDO; 1,4-Dihydroxybutane; Butylene Glycol

CAS RN

110-63-4

EINECS Number

203-786-5

Molecular Formula

C₄H₁₀O₂

Molecular Weight

90.121

Physical and Chemical Properties

Appearance Colorless oily liquid.
Melting point 20.2℃
Boiling point 228℃
Relative density 1.0171
Refractive index 1.4461
Flash point 121℃
Solubility Miscible with water. Soluble in methanol, ethanol, acetone, slightly soluble in ether.

Uses

Used as a solvent and humectant, also for the production of plasticizers, pharmaceuticals, polyester resins, polyurethane resins, etc.