DME Basic Information 

Product Name:

Ethylene Glycol Dimethyl Ether

CAS Number:

110-71-4

Molecular Formula:

C4H10O2

Molecular Weight:

90.121

EINECS:

203-794-9

DME Chemical Properties 

Melting point 

-69 °C

Boiling point 

84-86 °C(lit.)

Density 

0.867 g/mL at 25 °C(lit.)

Vapor Density 

3.1 (20 °C, vs air)

Vapor Pressure 

48 mm Hg ( 20 °C)

Refractive Index 

n20/D 1.379(lit.)

Storage Temp. 

2-8°C

Solubility 

1000g/l soluble

Form 

Liquid

Color 

Clear

Explosive Limit

10.40%

Water Solubility 

Miscible

DME Specification

Purity(GC)%

≥99.5

Moisture%

≤0.1

Acidity(as HAC)%

≤0.015

Peroxide(as H2O2)%

≤0.005(industrial-grade)