Structural formula

Used as the resin, nitrocellulose, preparation of alkali metal oxide, and a solvent such as borane pharmaceutical extractant. Naphthalene, biphenyl, terphenyl, anthracene, 1,2-Dimethoxyethane aromatic hydrocarbons in the form complexes with sodium.

Molecular formula


Molecular weight 90.12
CAS 110-71-4
EINECS RN 203-794-9
InChI 1S/C4H10O2/c1-5-3-4-6-2/h3-4H2,1-2H3
Appearance colorless transparent liquid with a strong smell of ether
Boiling point(101.3kPa) 85℃(84-86)
Freezing point —58℃
Specific gravity(25℃/4℃)  
Refractive index(25℃) 1.3785-1.3805
Flash point -2℃
Melting point -69℃
Density 0.867g/mL
Surface tension(mN/M)20℃ 20.51
Solubility Water solubility:complete
Viscosity(20℃) 0.47
Chemical properties

colorless flammable liquid with a strong smell of ether, water-miscible, stable property, easy to react; the presence of an acidic catalyst temperature, decomposition occurs. Generated under the ac

Purity(GC)% ≥99.5
Moisture% ≤0.1
Acidity(as HAC)% ≤0.015
Peroxide(as H2O2)% ≤0.005(industrial-grade)
Packing 180kg