Ethyltris(dimethylsiloxy)silane

乙基三(二甲基硅氧烷基)硅烷

Also known as: 3-[(Dimethylsilyl)oxy]-3-ethyl-1,1,5,5-tetramethyl-trisiloxane, Trisiloxane, 3-[(dimethylsilyl)oxy]-3-ethyl-1,1,5,5-tetramethyl-, ethyltris(dimethylsiloxy)silane, tris(dimethylsilyloxy)-ethylsilane

Ethyltris(dimethylsiloxy)silane (CAS 150320-87-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H26O3Si4 and a molecular weight of 282.63200 g/mol. It is also known as 3-[(Dimethylsilyl)oxy]-3-ethyl-1,1,5,5-tetramethyl-trisiloxane, Trisiloxane, 3-[(dimethylsilyl)oxy]-3-ethyl-1,1,5,5-tetramethyl- and ethyltris(dimethylsiloxy)silane. Key properties include a boiling point of 209ºC, a density of 1.01g/cm and a flash point of 80ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
150320-87-9
Jingsj CID
J-1436006-0
Molecular Formula
C8H26O3Si4
Chinese Name
乙基三(二甲基硅氧烷基)硅烷
Molecular Weight
282.63200 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point209ºC
Density1.01g/cm
Flash Point80ºC

Frequently Asked Questions

What is the CAS number of Ethyltris(dimethylsiloxy)silane?

The CAS number of Ethyltris(dimethylsiloxy)silane is 150320-87-9.

What are the molecular formula and molecular weight of Ethyltris(dimethylsiloxy)silane?

Ethyltris(dimethylsiloxy)silane has molecular formula C8H26O3Si4 and molecular weight 282.63200 g/mol.

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

Last updated:

How to cite: Jingsj. "Ethyltris(dimethylsiloxy)silane (CAS 150320-87-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1436006-0 (accessed 2026-10-25).

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