Trimethylsilylcyclopentadiene (mixture of isomers)

三甲硅烷基环戊二烯

Also known as: 5-(Trimethylsilyl)-1,3-cyclopentadiene, Cyclopentadienyltrimethylsilane, 5-Trimethylsilylcyclopentadiene, 5-trimethylsilyl-1,3-cyclopentadiene, 1-Trimethylsilyl-2,4-cyclopentadiene, 1-trimethylsilylcyclopenta-2,4-diene, 2,4-Cyclopentadien-1-yltrimethylsilane, Cyclopenta-2,4-dien-1-yl(trimethyl)silane, Cyclopenta-2,4-dienyltrimethylsilane, CPTMS, Trimethylsilylcyclopentadiene

CAS No.
3559-74-8
Jingsj CID
J-11312-8
Molecular Formula
C8H14Si
Chinese Name
三甲硅烷基环戊二烯
Molecular Weight
138.282 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-19 °C
Boiling Point150.2±9.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point29.7±12.3 °C

Frequently Asked Questions

What is the CAS number of Trimethylsilylcyclopentadiene (mixture of isomers)?

3559-74-8

What are the molecular formula and molecular weight of Trimethylsilylcyclopentadiene (mixture of isomers)?

C8H14Si, molecular weight 138.282 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026