1,3,5-Trivinyl-1,1,3,5,5-pentamethyltrisiloxane

1,3,5-三乙烯基-1,1,3,5,5-五甲基三硅氧烷

Also known as: 1,1,3,5,5-pentamethyl-1,3,5-trivinyltrisiloxane, 1,3,5-triethenyl-1,1,3,5,5-pentamethyltrisiloxane, ethenyl-bis[[ethenyl(dimethyl)silyl]oxy]-methylsilane, Trisiloxane, 1,1,3,5,5-pentamethyl-1,3,5-trivinyl-, Trisiloxane, 1,3,5-triethenyl-1,1,3,5,5-pentamethyl-

1,3,5-Trivinyl-1,1,3,5,5-pentamethyltrisiloxane (CAS 1529-65-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H24O2Si3 and a molecular weight of 272.564 g/mol. It is also known as 1,1,3,5,5-pentamethyl-1,3,5-trivinyltrisiloxane, 1,3,5-triethenyl-1,1,3,5,5-pentamethyltrisiloxane and ethenyl-bis[[ethenyl(dimethyl)silyl]oxy]-methylsilane. Key properties include a boiling point of 226.1±23.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 79.8±23.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1529-65-3
Jingsj CID
J-1062619-5
Molecular Formula
C11H24O2Si3
Chinese Name
1,3,5-三乙烯基-1,1,3,5,5-五甲基三硅氧烷
Molecular Weight
272.564 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point226.1±23.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point79.8±23.0 °C

Frequently Asked Questions

What is the CAS number of 1,3,5-Trivinyl-1,1,3,5,5-pentamethyltrisiloxane?

The CAS number of 1,3,5-Trivinyl-1,1,3,5,5-pentamethyltrisiloxane is 1529-65-3.

What are the molecular formula and molecular weight of 1,3,5-Trivinyl-1,1,3,5,5-pentamethyltrisiloxane?

1,3,5-Trivinyl-1,1,3,5,5-pentamethyltrisiloxane has molecular formula C11H24O2Si3 and molecular weight 272.564 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,3,5-Trivinyl-1,1,3,5,5-pentamethyltrisiloxane (CAS 1529-65-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1062619-5 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.