Trimethylsilylketene

三甲基硅烷基乙烯酮

Also known as: 2-trimethylsilylethenone, (Trimethylsilyl)ketene, 2-(Trimethylsilyl)ethene-1-one, Ethenone, 2-(trimethylsilyl)-, MFCD00054882, TRIMETHYLSILYLKETENE

Trimethylsilylketene (CAS 4071-85-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H10OSi and a molecular weight of 114.21800 g/mol. It is also known as 2-trimethylsilylethenone, (Trimethylsilyl)ketene and 2-(Trimethylsilyl)ethene-1-one. Key properties include a boiling point of 80-82ºC, a density of 0.813 and a flash point of 3.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4071-85-6
Jingsj CID
J-10831-3
Molecular Formula
C5H10OSi
Chinese Name
三甲基硅烷基乙烯酮
Molecular Weight
114.21800 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point80-82ºC
Density0.813
Flash Point3.2ºC

Frequently Asked Questions

What is the CAS number of Trimethylsilylketene?

The CAS number of Trimethylsilylketene is 4071-85-6.

What are the molecular formula and molecular weight of Trimethylsilylketene?

Trimethylsilylketene has molecular formula C5H10OSi and molecular weight 114.21800 g/mol.

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

Last updated:

How to cite: Jingsj. "Trimethylsilylketene (CAS 4071-85-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10831-3 (accessed 2026-10-22).

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