Vinylmethyldiacetoxysilane

甲基乙烯基二乙酰氧基硅烷

Also known as: Methylvinyldiacetoxysilane, diacetoxymethylvinylsilane, Diacetic acid methyl(vinyl)silanediyl ester, 1-Ethenyl-1-Methyl-Silanediol 1,1-Diacetate, Methyl(vinyl)silanediyl diacetate, Silanediol, ethenylmethyl-, diacetate, Silanediol, 1-ethenyl-1-methyl-, diacetate, ethenylmethyl-silanediodiacetate, vinyl methyl diacetoxysilane

Vinylmethyldiacetoxysilane (CAS 2944-70-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H12O4Si and a molecular weight of 188.253 g/mol. It is also known as Methylvinyldiacetoxysilane, diacetoxymethylvinylsilane and Diacetic acid methyl(vinyl)silanediyl ester. Key properties include a boiling point of 183.5±13.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 54.0±15.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2944-70-9
Jingsj CID: J-1423266-4
Molecular Formula: C₇H₁₂O₄Si
Chinese Name: 甲基乙烯基二乙酰氧基硅烷
Molecular Weight: 188.253 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	183.5±13.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	54.0±15.4 °C

Frequently Asked Questions

What is the CAS number of Vinylmethyldiacetoxysilane?

The CAS number of Vinylmethyldiacetoxysilane is 2944-70-9.

What are the molecular formula and molecular weight of Vinylmethyldiacetoxysilane?

Vinylmethyldiacetoxysilane has molecular formula C7H12O4Si and molecular weight 188.253 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Vinylmethyldiacetoxysilane (CAS 2944-70-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1423266-4 (accessed 2026-10-25).

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