Basic information
CAS NO
556-67-2
EINECS
209-136-7
Molecular Formula
C8H24O4Si4
Molecular Weight
296.6158
English Name
Octamethyl cyclotetrasiloxane
Synonyms
Octamethyl cyclotetrasilazane, octaphenyl silsesquioxane, Octamethylcyclotetrasiloxane, 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetroxatetrasilocane, D4
Physical and Chemical Properties
Density
0.95g/cm3
Refractive index
1.423
Melting point
17-18℃
Boiling point
175°C at 760 mmHg
Flash point
63.2°C
Water Solubility
INSOLUBLE
Vapour Pressure
1.57mmHg at 25°C
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