Vinylmethylbis(trimethylsiloxy)silane
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. 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-1466146-2
- Molecular Formula
- C9H24O2Si3
- 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 |
| Exact Mass | 248.108414 |
| PSA | 18.46000 |
| LogP | 5.34 |
| Vapor Pressure | 0.6±0.4 mmHg at 25°C |
| Refractive Index | 1.415 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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.
What are the upstream and downstream products of Vinylmethylbis(trimethylsiloxy)silane?
For Vinylmethylbis(trimethylsiloxy)silane, Upstream Products: Chlorotrimethylsilane, Dichloromethylvinylsilane, Diethoxy(methyl)vinylsilane; Downstream Products: Cyclopropylbenzene, 1-(4-ethenylphenyl)ethanone.
Data compiled from public chemical databases such as PubChem 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-1466146-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.