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1-(tert-Butyldimethylsilyloxy)-1-methoxyethene

1-(叔丁基二甲基硅氧基)-1-甲氧基乙烯

Also known as: tert-butyl[(1-methoxyethenyl)oxy]dimethylsilane, tert-butyl-(1-methoxyethenoxy)-dimethylsilane, 1-Methoxy-1-[(tert-butyldimethylsilyl)oxy]ethylene, Ketene methyl t-butyldimethylsilyl acetal, MFCD02683524, Silane, (1,1-dimethylethyl)[(1-methoxyethenyl)oxy]dimethyl-, TBS-methoxyethene

1-(tert-Butyldimethylsilyloxy)-1-methoxyethene (CAS 77086-38-5) is a compound in the Aliphatic Hydrocarbons 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 tert-butyl[(1-methoxyethenyl)oxy]dimethylsilane, tert-butyl-(1-methoxyethenoxy)-dimethylsilane and 1-Methoxy-1-[(tert-butyldimethylsilyl)oxy]ethylene. Key properties include a boiling point of 62ºC9 mm Hg(lit.), a density of 0.863 g/mL at 25ºC(lit.) and a flash point of 125 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
77086-38-5
Jingsj CID
J-25578-7
Molecular Formula
C9H20O2Si
Chinese Name
1-(叔丁基二甲基硅氧基)-1-甲氧基乙烯
Molecular Weight
188.33900 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point62ºC9 mm Hg(lit.)
Density0.863 g/mL at 25ºC(lit.)
Flash Point125 °F

GHS Safety & Compliance

FlammableSignal word: Warning

Frequently Asked Questions

What is the CAS number of 1-(tert-Butyldimethylsilyloxy)-1-methoxyethene?

The CAS number of 1-(tert-Butyldimethylsilyloxy)-1-methoxyethene is 77086-38-5.

What are the molecular formula and molecular weight of 1-(tert-Butyldimethylsilyloxy)-1-methoxyethene?

1-(tert-Butyldimethylsilyloxy)-1-methoxyethene has molecular formula C9H20O2Si and molecular weight 188.33900 g/mol.

Is 1-(tert-Butyldimethylsilyloxy)-1-methoxyethene hazardous?

1-(tert-Butyldimethylsilyloxy)-1-methoxyethene 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. "1-(tert-Butyldimethylsilyloxy)-1-methoxyethene (CAS 77086-38-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25578-7 (accessed 2026-10-22).

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