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Methylal


DESCRIPTION

 

 Molecular Formula C3H8O2
 Chemical structure CH3-O-CH2-O-CH3
 Synonym Dimethoxymethane (DMM)
 CAS No 109-87-5
 EINECS No 203-714-2
 INCI name Methylal
   
   
 PHYSICAL PROPERTIES
   
 Molecular weight
76.08
 Density (g/cm³) 20 °C
0.861
 Vapour density
2.6
 Boiling point (oC) 101 325 Pa
42.3
 Freezing point (oC)
-104.8
 Flashpoint (oC)  Closed cup (Pensky-Martens)
-30.5
 Open cup (Cleveland)
 Vapour pressure (bar) 20o C (ASTM D 323 modified)
0.4
 Kinematic viscosity (10-7 m2/s) 25oC
3.71
 Refractory index n20D
1.3531
 Explosion limits ( Vol %)

LEL: 2.2

UEL: 19.9

 Autoignition temperature (oC) (ASTM E 659)
260
 Surface tension (mN/m) 25oC
21.20
 Evaporation rate compared to
 (Following DIN 53170)
 Diethyl ether (=1)
1.36
 Butyl acetate (=1)
0.11
 Solubility of the acetal in water (%)
33
 Solubility of water in the acetal (%)
 

Related Applications :

Cosmetics Polyurethanes Agrochemicals Textile/Leather Synthesis Veterinary Aerosols Cleaning Adhesives Inks Coatings
 

Latest News
CPI 2017 (New Orleans)
2-4 October 2017

 Lambiotte will be glad welcoming you at table top exhibition and sharing updated news about the use of Methylal.

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