Vinylmethylbis(trimethylsiloxy)silane
乙烯基甲基双(三甲基硅氧基)硅烷
Also known as: Methylbis(trimethylsilyloxy)vinylsilane, 3-Vinylheptamethyltrisiloxane, 1,1,1,3,5,5,5-Heptamethyl-3-vinyltrisiloxane, Trisiloxane, 3-ethenyl-1,1,1,3,5,5,5-heptamethyl-, SIV 9082
Vinylmethylbis(trimethylsiloxy)silane (CAS 5356-85-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H24O2Si3 and a molecular weight of 248.542 g/mol. It is also known as Methylbis(trimethylsilyloxy)vinylsilane, 3-Vinylheptamethyltrisiloxane and 1,1,1,3,5,5,5-Heptamethyl-3-vinyltrisiloxane. Key properties include a boiling point of 196.3±23.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 63.6±23.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5356-85-4
- Jingsj CID
- J-1466146-8
- Molecular Formula
- C9H24O2Si3
- Chinese Name
- 乙烯基甲基双(三甲基硅氧基)硅烷
- Molecular Weight
- 248.542 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 196.3±23.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 63.6±23.0 °C |
Frequently Asked Questions
What is the CAS number of Vinylmethylbis(trimethylsiloxy)silane?
The CAS number of Vinylmethylbis(trimethylsiloxy)silane is 5356-85-4.
What are the molecular formula and molecular weight of Vinylmethylbis(trimethylsiloxy)silane?
Vinylmethylbis(trimethylsiloxy)silane has molecular formula C9H24O2Si3 and molecular weight 248.542 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Vinylmethylbis(trimethylsiloxy)silane (CAS 5356-85-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1466146-8 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.