Methylal

Description

Molecular formulaC3H8O2
Molecular weight76.1
CAS number109-87-5
EC number203-714-2
IUPAC nameDimethoxymethane
EC nameDimethoxymethane

Properties

Boiling point (°C) at 1013 hPa42.3
Freezing point (°C) at 1013 hPa-104.8
Flash-point (°C) at 1013 hPaDIN 51755 part 2Closed cup-30.5
Relative density at 20°COECD 1090.861
Vapour pressure (kPa) at 20°CASTM D323 modified40
Surface tension (mN/m) at 20°C21.2
Water solubility (g/L) at 20°CMethylal in water330
Viscosity (kinematic) (mm²/s) at
25°C
0.371
Evaporation rate compared toDIN 53170Diethyl ether (= 1)1.36
Butyl acetate (= 1)0.11

Comparison

MethylalMethylene
Chloride
AcetoneMEK
Health
Solvent Power
Miscibility
with water

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