1,3-Bis(4-hydroxybutyl)tetramethyldisiloxane

1,3-双(4-羟基丁基)四甲基二硅氧烷

Also known as: 1,3-Bis(4-hydroxybutyl)-1,1,3,3-tetramethyldisiloxane, 4,4'-(1,1,3,3-Tetramethyldisiloxane-1,3-diyl)dibutan-1-ol, 4,4'-[Oxybis(dimethylsilanediyl)]bis(butane-1-ol), Dihydroxybutyltetramethyldisiloxane, 1-Butanol, 4,4'-(1,1,3,3-tetramethyl-1,3-disiloxanediyl)bis-

1,3-Bis(4-hydroxybutyl)tetramethyldisiloxane (CAS 5931-17-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H30O3Si2 and a molecular weight of 278.536 g/mol. It is also known as 1,3-Bis(4-hydroxybutyl)-1,1,3,3-tetramethyldisiloxane, 4,4'-(1,1,3,3-Tetramethyldisiloxane-1,3-diyl)dibutan-1-ol and 4,4'-[Oxybis(dimethylsilanediyl)]bis(butane-1-ol). Key properties include a melting point of <0ºC, a boiling point of 306.2±27.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 139.0±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

5931-17-9

Jingsj CID

J-1476332-6

Molecular Formula

C₁₂H₃₀O₃Si₂

Chinese Name

1,3-双(4-羟基丁基)四甲基二硅氧烷

Molecular Weight

278.536 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026