1,3-Diallyltetrakis(trimethylsiloxy)disiloxane

1,3-二烯丙基四(三甲基硅氧基)二硅氧烷

Also known as: 1,1,1,7,7,7-hexamethyl-3,5-di(prop-2-en-1-yl)-3,5-bis[(trimethylsilyl)oxy]tetrasiloxane, Tetrasiloxane, 1,1,1,7,7,7-hexamethyl-3,5-di-2-propen-1-yl-3,5-bis[(trimethylsilyl)oxy]-, trimethyl-[prop-2-enyl-[prop-2-enyl-bis(trimethylsilyloxy)silyl]oxy-trimethylsilyloxysilyl]oxysilane, 3,5-Diallyl-1,1,1,7,7,7-hexamethyl-3,5-bis[(trimethylsilyl)oxy]tetrasiloxane, 1,3-diallyltetrakis(trimethylsiloxy)disiloxane, diallyltetrakistrimethylsiloxydisiloxane

1,3-Diallyltetrakis(trimethylsiloxy)disiloxane (CAS 211931-07-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H46O5Si6 and a molecular weight of 511.068 g/mol. It is also known as 1,1,1,7,7,7-hexamethyl-3,5-di(prop-2-en-1-yl)-3,5-bis[(trimethylsilyl)oxy]tetrasiloxane, Tetrasiloxane, 1,1,1,7,7,7-hexamethyl-3,5-di-2-propen-1-yl-3,5-bis[(trimethylsilyl)oxy]- and trimethyl-[prop-2-enyl-[prop-2-enyl-bis(trimethylsilyloxy)silyl]oxy-trimethylsilyloxysilyl]oxysilane. Key properties include a boiling point of 380.4±45.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 171.2±29.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

211931-07-6

Jingsj CID

J-1451725-5

Molecular Formula

C₁₈H₄₆O₅Si₆

Chinese Name

1,3-二烯丙基四(三甲基硅氧基)二硅氧烷

Molecular Weight

511.068 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026