D4-Octamethyl Cyclotetrasiloxane
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Synonym: Octamethylcyclotetrasiloxane, D4
Cas no: 556-67-2
Appearance:Colorless transparent oily liquid
Structural Formula:(CH3)8Si4O4
Physical and Chemical Properties:
Freezing Point:17 ~18℃
Boiling Point:175- 176℃
Flash Point:60℃
Relative Density (water=1):0.956
Technological Index:
|
Item |
Index |
|
Chroma/Platinum-cobalt scale/Hazen unit ≤ |
10 |
|
Refractive index nD20 |
1.3960-1.3970 |
|
Content of Octamethyl cyclotetrasiloxane/%≥ |
90.0 |
Properties and Uses:
It is colorless, inflammable , and can notdissolve in water, but dissolve in organic solvents such as benzene, etc.
It can be used to synthesize organic silicone polymer by acid or alkali catalysis to manufacture
silicone oil, silicone rubber,etc.
It can also be used directly as treating agent for rubber stuffing and the raw material for cosmetic.
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| Origin: | China / Hubei / Wuhanshi |
