Di-tert-butylmethylchlorosilane

二叔丁基甲基氯硅烷

Also known as: Di-t-butylmethylchlorosilane, Methylchlorobis(1,1-dimethylethyl)silane, Silane, chlorobis(1,1-dimethylethyl)methyl-, chlorobis(1,1-dimethylethyl)methyl-silan, ditert-butyl-chloro-methylsilane, Chloro(methyl)bis(2-methyl-2-propanyl)silane

Di-tert-butylmethylchlorosilane (CAS 70892-81-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H21ClSi and a molecular weight of 192.801 g/mol. It is also known as Di-t-butylmethylchlorosilane, Methylchlorobis(1,1-dimethylethyl)silane and Silane, chlorobis(1,1-dimethylethyl)methyl-. Key properties include a boiling point of 188.5±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 57.5±8.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
70892-81-8
Jingsj CID
J-1523826-7
Molecular Formula
C9H21ClSi
Chinese Name
二叔丁基甲基氯硅烷
Molecular Weight
192.801 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point188.5±9.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point57.5±8.3 °C

Frequently Asked Questions

What is the CAS number of Di-tert-butylmethylchlorosilane?

The CAS number of Di-tert-butylmethylchlorosilane is 70892-81-8.

What are the molecular formula and molecular weight of Di-tert-butylmethylchlorosilane?

Di-tert-butylmethylchlorosilane has molecular formula C9H21ClSi and molecular weight 192.801 g/mol.

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

Last updated:

How to cite: Jingsj. "Di-tert-butylmethylchlorosilane (CAS 70892-81-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523826-7 (accessed 2026-10-25).

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