1,1,1,3,3-Pentamethyl-3-acetoxydisiloxane

1,1,1,3,3-五甲基-3-乙酰氧基二硅氧烷

Also known as: 1-Acetoxy-1,1,3,3,3-pentamethyldisiloxane, Acetoxypentamethyldisiloxane, Pentamethyldisiloxanyl acetate, 1-Disiloxanol, 1,1,3,3,3-pentamethyl-, 1-acetate, Disiloxanol, pentamethyl-, acetate, [Dimethyl(trimethylsilyloxy)silyl] acetate, O-Acetylpentamethyldisiloxanol, Pentamethyl-1-acetoxydisiloxane, Dimethyl(trimethylsiloxy)silyl acetate, EINECS 274-767-7

1,1,1,3,3-Pentamethyl-3-acetoxydisiloxane (CAS 70693-47-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H18O3Si2 and a molecular weight of 206.387 g/mol. It is also known as 1-Acetoxy-1,1,3,3,3-pentamethyldisiloxane, Acetoxypentamethyldisiloxane and Pentamethyldisiloxanyl acetate. Key properties include a boiling point of 149.4±7.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 36.9±13.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

70693-47-9

Jingsj CID

J-1491515-6

Molecular Formula

C₇H₁₈O₃Si₂

Chinese Name

1,1,1,3,3-五甲基-3-乙酰氧基二硅氧烷

Molecular Weight

206.387 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026