1,3-Dimethyltetramethoxydisiloxane

1,1,3,3-四甲氧基-1,3-二甲基二硅氧烷

Also known as: 1,1,3,3-Tetramethoxy-1,3-dimethyldisiloxane, 1,1,3,3-tetramethoxy-1,3-dimethyl-Disiloxane, 1,3-Dimethyl-1,1,3,3-Tetramethoxy Disiloxane, 1,3-dimethyl-1,1,3,3-tetramethoxydisiloxane, Dimethyltetramethoxydisiloxane, Tetramethoxy-1,3-dimethyldisiloxane, Disiloxane, 1,1,3,3-tetramethoxy-1,3-dimethyl-, Disiloxane,1,1,3,3-tetramethoxy-1,3-dimethyl-, EINECS 242-072-8, MFCD00040017

1,3-Dimethyltetramethoxydisiloxane (CAS 18186-97-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H18O5Si2 and a molecular weight of 226.375 g/mol. It is also known as 1,1,3,3-Tetramethoxy-1,3-dimethyldisiloxane, 1,1,3,3-tetramethoxy-1,3-dimethyl-Disiloxane and 1,3-Dimethyl-1,1,3,3-Tetramethoxy Disiloxane. Key properties include a melting point of <0ºC, a boiling point of 144.4±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 32.8±23.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

18186-97-5

Jingsj CID

J-26852-3

Molecular Formula

C₆H₁₈O₅Si₂

Chinese Name

1,1,3,3-四甲氧基-1,3-二甲基二硅氧烷

Molecular Weight

226.375 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026