Methyltris(dimethylsiloxy)silane

甲基三(二甲基硅氧烷基)硅烷

Also known as: Tris(dimethylsiloxy)methylsilane, Methyltris(dimethylhydrogensiloxy)silane, 3-[(Dimethylsilyl)oxy]-1,1,3,5,5-pentamethyltrisiloxane, 3-dimethylsilanyloxy-1,1,3,5,5-pentamethyl-trisiloxane, Methyl-tri(Dimethylsiloxy)silane, Tris(dimethylsiloxy)(methyl)silane, 3-((Dimethylsilyl)oxy)-1,1,3,5,5-pentamethyltrisiloxane

Methyltris(dimethylsiloxy)silane (CAS 17082-46-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H24O3Si4 and a molecular weight of 268.606 g/mol. It is also known as Tris(dimethylsiloxy)methylsilane, Methyltris(dimethylhydrogensiloxy)silane and 3-[(Dimethylsilyl)oxy]-1,1,3,5,5-pentamethyltrisiloxane. Key properties include a melting point of -155ºC, a boiling point of 189.1±23.0 °C at 760 mmHg, a density of 0.861 and a flash point of 68.2±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

17082-46-1

Jingsj CID

J-6758-6

Molecular Formula

C₇H₂₄O₃Si₄

Chinese Name

甲基三(二甲基硅氧烷基)硅烷

Molecular Weight

268.606 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026