Cyclopentyltrimethoxysilane

环戊基三甲氧基硅烷

Also known as: Cyclopentyl(trimethoxy)silane, Trimethoxy(cyclopentyl)silane, Cyclopentane, (trimethoxysilyl)-, Silane, cyclopentyltrimethoxy- (9CI), DK076

Cyclopentyltrimethoxysilane (CAS 143487-47-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H18O3Si and a molecular weight of 190.312 g/mol. It is also known as Cyclopentyl(trimethoxy)silane, Trimethoxy(cyclopentyl)silane and Cyclopentane, (trimethoxysilyl)-. Key properties include a boiling point of 194.3±7.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 69.2±25.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
143487-47-2
Jingsj CID
J-6700-3
Molecular Formula
C8H18O3Si
Chinese Name
环戊基三甲氧基硅烷
Molecular Weight
190.312 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point194.3±7.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point69.2±25.6 °C

Frequently Asked Questions

What is the CAS number of Cyclopentyltrimethoxysilane?

The CAS number of Cyclopentyltrimethoxysilane is 143487-47-2.

What are the molecular formula and molecular weight of Cyclopentyltrimethoxysilane?

Cyclopentyltrimethoxysilane has molecular formula C8H18O3Si and molecular weight 190.312 g/mol.

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

Last updated:

How to cite: Jingsj. "Cyclopentyltrimethoxysilane (CAS 143487-47-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6700-3 (accessed 2026-10-23).

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