1,1-bis(trichlorosilylmethyl)ethylene

1,1-双(三氯甲硅烷基甲基)乙烯

Also known as: trichloro-[2-(trichlorosilylmethyl)prop-2-enyl]silane, (2-methylene-1,3-propanediyl)bis[trichlorosilane], 1,5-disilapentane, 1,1,1,5,5,5-hexachloro-3-methylene- (6CI), 3-(trichlorosilyl)-2-<(trichlorosilyl)methyl>-1-propene, 3-trichlorosilanyl-2-(trichlorosilanyl-methyl)-propene, 1,3-bis-(trichlorsilyl)-2-methylenpropan

1,1-bis(trichlorosilylmethyl)ethylene (CAS 78948-04-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H6Cl6Si2 and a molecular weight of 322.97900 g/mol. It is also known as trichloro-[2-(trichlorosilylmethyl)prop-2-enyl]silane, (2-methylene-1,3-propanediyl)bis[trichlorosilane] and 1,5-disilapentane, 1,1,1,5,5,5-hexachloro-3-methylene- (6CI). Key properties include a boiling point of 128-131ºC16 mm Hg(lit.), a density of 1.4 g/mL at 25ºC(lit.) and a flash point of 178 °F. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
78948-04-6
Jingsj CID
J-48097-8
Molecular Formula
C4H6Cl6Si2
Chinese Name
1,1-双(三氯甲硅烷基甲基)乙烯
Molecular Weight
322.97900 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point128-131ºC16 mm Hg(lit.)
Density1.4 g/mL at 25ºC(lit.)
Flash Point178 °F

Frequently Asked Questions

What is the CAS number of 1,1-bis(trichlorosilylmethyl)ethylene?

The CAS number of 1,1-bis(trichlorosilylmethyl)ethylene is 78948-04-6.

What are the molecular formula and molecular weight of 1,1-bis(trichlorosilylmethyl)ethylene?

1,1-bis(trichlorosilylmethyl)ethylene has molecular formula C4H6Cl6Si2 and molecular weight 322.97900 g/mol.

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

Last updated:

How to cite: Jingsj. "1,1-bis(trichlorosilylmethyl)ethylene (CAS 78948-04-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48097-8 (accessed 2026-10-23).

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