Bis(chloromethyl)methylchlorosilane

双(氯甲基)甲基氯硅烷

Also known as: BIS(CHLOROMETHYL)METHYLCHLOROSILANE, Bis(chloromethyl)methylsilyl chloride, Chloro[bis(chloromethyl)]methylsilane, chloro-bis(chloromethyl)-methylsilane, chlorobis(chloromethyl)methyl-silan, chloro-bis-chloromethyl-methyl-silane, DI(CHLOROMETHYL)METHYLCHLOROSILANE, Einecs 242-057-6, Methylchlorobis(chloromethyl)silane, Silane, chlorobis(chloromethyl)methyl-, Nsc 252158

Bis(chloromethyl)methylchlorosilane (CAS 18171-56-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C3H7Cl3Si and a molecular weight of 177.53200 g/mol. It is also known as BIS(CHLOROMETHYL)METHYLCHLOROSILANE, Bis(chloromethyl)methylsilyl chloride and Chloro[bis(chloromethyl)]methylsilane. Key properties include a boiling point of 172-3ºC, a density of 1.08 g/cm3 and a flash point of 42ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18171-56-7
Jingsj CID
J-1175836-1
Molecular Formula
C3H7Cl3Si
Chinese Name
双(氯甲基)甲基氯硅烷
Molecular Weight
177.53200 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point172-3ºC
Density1.08 g/cm3
Flash Point42ºC

Frequently Asked Questions

What is the CAS number of Bis(chloromethyl)methylchlorosilane?

The CAS number of Bis(chloromethyl)methylchlorosilane is 18171-56-7.

What are the molecular formula and molecular weight of Bis(chloromethyl)methylchlorosilane?

Bis(chloromethyl)methylchlorosilane has molecular formula C3H7Cl3Si and molecular weight 177.53200 g/mol.

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

Last updated:

How to cite: Jingsj. "Bis(chloromethyl)methylchlorosilane (CAS 18171-56-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1175836-1 (accessed 2026-10-25).

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