?????????
|
|
????????? ??
- ???
- -82 °C (lit.)
- ?? ?
- 153 °C (lit.)
- ??
- 0.82 g/mL at 25 °C (lit.)
- ?? ??
- >1 (vs air)
- ???
- 5.3hPa at 25℃
- ???
- n
20/D 1.384(lit.)
- ???
- 99 °F
- ?? ??
- Inert atmosphere,Room Temperature
- ???
- ?????(?? ???), DMSO, ???(?? ???)
- ??? ??
- ??
- Specific Gravity
- 0.82
- ??
- ??~???
- ???
- 34μg/L at 23℃
- Hydrolytic Sensitivity
- 1: no significant reaction with aqueous systems
- Merck
- 14,6748
- BRN
- 1753063
- Dielectric constant
- 2.3（20℃）
- ???
- ???
- LogP
- 6.6 at 25.3℃
- CAS ??????
- 107-51-7(CAS DataBase Reference)
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| ?? ???? ?? | 10 | ||
|---|---|---|---|
| ????? | 23-24/25 | ||
| ????(UN No.) | UN 1993 3/PG 3 | ||
| WGK ?? | 3 | ||
| F ?????? | 10-21 | ||
| TSCA | Yes | ||
| ?? ?? | 3.2 | ||
| ???? | III | ||
| HS ?? | 29319090 | ||
| ???? ?? | 98-3-930 |
????????? C??? ??, ??, ??
??? ??
Octamethyltrisiloxane is clear colourless liquid.?? ??
As a basis for silicone oils or fluids designed to withstand extremes of temp; as a foam suppressant in petroleum lubricating oil.??
Octamethyltrisiloxane is a linear silicone oligomer. It is used as an excipient Dimethicones in pharmaceutical and cosmetic applications can provide long lasting lubricant, smooth feel and spreads easily. Studies demonstrate that it is able to maintain the conformational stability of certain adsorbed proteins such as bovine serum albumin (BSA). Used in the methylation of mercury(II) salts.??
ChEBI: Octamethyltrisiloxane is an organosiloxane that is trisiloxane in which all the hydrogens have been replaced by methyl groups.?? ??
Poly(dimethylsiloxane) (PDMS), also known as dimethicone, is an organosilicon compound that is widely used as a siloxane based elastomer. It is a hydrophobic material with attractive physical and chemical properties such as elasticity, optical transparency, tunable surface chemistry, and low electrical conductivity.Purification Methods
Distil it twice, the middle fraction from the first distillation is again distilled, and the middle fraction of the second distillation is used. [Patnode & Wilcock J Am Chem Soc 68 358, Wolcock J Am Chem Soc 68 691 1946, Thompson J Chem Soc 1908 1953, Beilstein 4 IV 4115.]????????? ?? ?? ? ???
???
???????????
TETRADECAMETHYLHEXASILOXANE
??????????
?????????
????????????
??????????
?????????????
?????????
?? ??
????????? ?? ??
???( 245)?? ??
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????????? ?? ??:
????????? 1,3,3,5-?????-1,1,5,5-??????????? ????????? ?????????
PHENYLSELENOL
3-Aminopropylbis(trimethylsiloxy)methylsilane
Benzyl isocyanide
TERT-BUTYL ISOCYANIDE
3,3-DIPHENYLHEXAMETHYLTRISILOXANE
METHYL ISOCYANOACETATE
VINYLMETHYLBIS(TRIMETHYLSILOXY)SILANE
Ethyl isocyanoacetate
SALCOMINE
Tosylmethyl isocyanide
(3-ACRYLOXYPROPYL)METHYLBIS(TRIMETHYLSILOXY)SILANE
3-PHENYLHEPTAMETHYLTRISILOXANE
N-BUTYLISOCYANIDE
TRIMETHYL PENTAPHENYL TRISILOXANE