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八甲基环四硅氧烷

英文名: octamethylcyclotetrasiloxane

CAS: 556-67-2      分子式: C8H24O4Si4

分子量: 296.61600

别名:


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描述

Octamethylcyclotetrasiloxane, also called D4, is an organosilicon compound with the formula [(CH3)2SiO]4. lt is a colorless viscous liquid. It is a common cyclomethicone. Like other cyclomethicones, it is slightly volatile. It has attracted scrutiny because it is pervasive in the environment.

基本信息
英文名:
octamethylcyclotetrasiloxane
CAS号.:
556-67-2
别名:
Cyclotetrasiloxane, octamethyl-; Octamethylcyclotetrasiloxane; 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane;
分子式:
C8H24O4Si4
分子量:
296.61600
PSA:
36.92000
LogP:
2.87360
物化属性
外观:
Colorless Transparent liquid
密度:
0.956 g/mL at 25 °C(lit.)
熔点:
17-18 °C(lit.)
沸点:
175-176 °C(lit.)
闪点:
140 °F
储存条件:
2-8ºC
安全信息
WGK Germany:
1
危险类别码:
R53; R62
安全说明:
S36/37-S46-S51-S61
危险品标志:
Xn
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