Methacryloxypropylbis(trimethylsiloxy)methylsilane

3-甲基丙烯酰氧基丙基双(三甲基硅氧基)甲基硅烷

Also known as: 3-Methacryloxypropylbis(trimethylsiloxy)methylsilane, 3-[methyl-bis(trimethylsilyloxy)silyl]propyl 2-methylprop-2-enoate, 3-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)propyl 2-methylprop-2-enoate, 3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]disiloxanyl]propyl methacrylate, Methacrylic acid 3-[1,3,3,3-tetramethyl-1-(trimethylsiloxy)disiloxanyl]propyl ester, 2-Propenoic acid, 2-methyl-, 3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]disiloxanyl]propyl ester

Methacryloxypropylbis(trimethylsiloxy)methylsilane (CAS 19309-90-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H32O4Si3 and a molecular weight of 348.658 g/mol. It is also known as 3-Methacryloxypropylbis(trimethylsiloxy)methylsilane, 3-[methyl-bis(trimethylsilyloxy)silyl]propyl 2-methylprop-2-enoate and 3-(1,1,1,3,5,5,5-heptamethyltrisiloxan-3-yl)propyl 2-methylprop-2-enoate. Key properties include a boiling point of 329.0±44.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 127.0±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

19309-90-1

Jingsj CID

J-1150265-0

Molecular Formula

C₁₄H₃₂O₄Si₃

Chinese Name

3-甲基丙烯酰氧基丙基双(三甲基硅氧基)甲基硅烷

Molecular Weight

348.658 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026