3,5,7-TRIPHENYLNONAMETHYLPENTASILOXANE

3,5,7-三苯基九甲基五硅氧烷

Also known as: Pentasiloxane, 1,1,1,3,5,7,9,9,9-nonamethyl-3,5,7-triphenyl-, trimethyl-[methyl-[methyl-(methyl-phenyl-trimethylsilyloxysilyl)oxy-phenylsilyl]oxy-phenylsilyl]oxysilane, 1,1,1,3,5,7,9,9,9-Nonamethyl-3,5,7-triphenylpentasiloxane, 3,5,7-TRIPHENYLNONAMETHYLPENTASILOXANE 95%, 3,5,7-TRIPHENYLNONAMETHYLPENTASILOXANE, tech-95

3,5,7-TRIPHENYLNONAMETHYLPENTASILOXANE (CAS 6689-19-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C27H42O4Si5 and a molecular weight of 571.047 g/mol. It is also known as Pentasiloxane, 1,1,1,3,5,7,9,9,9-nonamethyl-3,5,7-triphenyl-, trimethyl-[methyl-[methyl-(methyl-phenyl-trimethylsilyloxysilyl)oxy-phenylsilyl]oxy-phenylsilyl]oxysilane and 1,1,1,3,5,7,9,9,9-Nonamethyl-3,5,7-triphenylpentasiloxane. Key properties include a melting point of <0ºC, a boiling point of 489.1±28.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 216.6±24.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

6689-19-6

Jingsj CID

J-1444194-7

Molecular Formula

C₂₇H₄₂O₄Si₅

Chinese Name

3,5,7-三苯基九甲基五硅氧烷

Molecular Weight

571.047 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026