1,7-Tetrasiloxanediol, 1,1,3,3,5,5,7,7-octamethyl-

1,1,3,3,5,5,7,7-八甲基-1,7-四硅氧烷二醇

Also known as: Octamethyl-1,7-tetrasiloxanediol, 1,7-Tetrasiloxanediol, 1,1,3,3,5,5,7,7-octamethyl-, hydroxy-[[[hydroxy(dimethyl)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilane, 1,1,3,3,5,5,7,7-Octamethyltetrasiloxane-1,7-diol, 1,1,3,3,5,5,7,7-Octamethyl-2,4,6-trioxa-1,3,5,7-tetrasilaheptane-1,7-diol, 1,7-dihydroxyoctamethyltetrasiloxane, 1,7-dihydroxy-1,1,3,3,5,5,7,7-octamethyltetrasiloxane, Octamethyltetrasiloxane-1,7-diol, Simethicone Impurity 4, 1,1,3,3,5,5,7,7-octamethyl-7-tetrasiloxanediol, 1,1,3,3,5,5,7,7-Octamethyl-tetrasiloxan-1,7-diol

1,7-Tetrasiloxanediol, 1,1,3,3,5,5,7,7-octamethyl- (CAS 3081-07-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C8H26O5Si4 and a molecular weight of 314.63100 g/mol. It is also known as Octamethyl-1,7-tetrasiloxanediol, hydroxy-[[[hydroxy(dimethyl)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]oxy-dimethylsilane and 1,1,3,3,5,5,7,7-Octamethyltetrasiloxane-1,7-diol. Key properties include a boiling point of 267.2ºC at 760mmHg, a density of 0.99g/cm3 and a flash point of 115.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

3081-07-0

Jingsj CID

J-1602262-9

Molecular Formula

C₈H₂₆O₅Si₄

Chinese Name

1,1,3,3,5,5,7,7-八甲基-1,7-四硅氧烷二醇

Molecular Weight

314.63100 g/mol

Category

Alcohols

Last updated

8/21/2026