tert-Butyl trimethylsilylacetate

三甲基硅基乙酸叔丁酯

Also known as: 1,1-Dimethylethyl 2-(trimethylsilyl)acetate, 1,1-Dimethylethyl (trimethylsilyl)acetate, t-Butyl Trimethylsilylacetate, TMSCH2CO2-t-Bu, tert-Butyl (trimethylsilyl)acetate, Tert-butyl 2-trimethylsilylacetate, NSC 237636, Acetic acid, (trimethylsilyl)-, 1,1-dimethylethyl ester, Acetic acid, 2-(trimethylsilyl)-, 1,1-dimethylethyl ester, (Trimethylsilyl)acetic acid 1,1-dimethylethyl ester, (trimethylsilyl)acetic acid tert-butyl ester, Einecs 255-222-2, TERT-BUTYL TRIMETHYLSILYLACETATE

tert-Butyl trimethylsilylacetate (CAS 41108-81-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H20O2Si and a molecular weight of 188.33900 g/mol. It is also known as 1,1-Dimethylethyl 2-(trimethylsilyl)acetate, 1,1-Dimethylethyl (trimethylsilyl)acetate and t-Butyl Trimethylsilylacetate. Key properties include a boiling point of 177ºC at 760mmHg, a density of 0.87g/cm3 and a flash point of 54.2ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
41108-81-0
Jingsj CID
J-1017090-8
Molecular Formula
C9H20O2Si
Chinese Name
三甲基硅基乙酸叔丁酯
Molecular Weight
188.33900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point177ºC at 760mmHg
Density0.87g/cm3
Flash Point54.2ºC

GHS Safety & Compliance

FlammableSignal word: Warning

Frequently Asked Questions

What is the CAS number of tert-Butyl trimethylsilylacetate?

The CAS number of tert-Butyl trimethylsilylacetate is 41108-81-0.

What are the molecular formula and molecular weight of tert-Butyl trimethylsilylacetate?

tert-Butyl trimethylsilylacetate has molecular formula C9H20O2Si and molecular weight 188.33900 g/mol.

Is tert-Butyl trimethylsilylacetate hazardous?

tert-Butyl trimethylsilylacetate has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "tert-Butyl trimethylsilylacetate (CAS 41108-81-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1017090-8 (accessed 2026-10-24).

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