2-(trimethylsiloxy)-1,3-cyclohexadiene

2-(三甲硅烷氧基)-1,3-环己二烯

Also known as: (1,5-cyclohexadien-1-yloxy)(trimethyl)silane, 1-(trimethylsilyloxy)-3,4-dihydrobenzene, 2-(trimethylsilyloxy)-1,3-cyclohexadiene, 2-(trimethylsilyloxy)cyclohexa-1,3-diene, MFCD00274202, 1,3-Cyclohexadiene, 2-[(trimethylsilyl)oxy]-

2-(trimethylsiloxy)-1,3-cyclohexadiene (CAS 54781-19-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H16OSi and a molecular weight of 168.308 g/mol. It is also known as (1,5-cyclohexadien-1-yloxy)(trimethyl)silane, 1-(trimethylsilyloxy)-3,4-dihydrobenzene and 2-(trimethylsilyloxy)-1,3-cyclohexadiene. Key properties include a boiling point of 187.6±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 58.7±8.7 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
54781-19-0
Jingsj CID
J-31083-5
Molecular Formula
C9H16OSi
Chinese Name
2-(三甲硅烷氧基)-1,3-环己二烯
Molecular Weight
168.308 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point187.6±8.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point58.7±8.7 °C

GHS Safety & Compliance

FlammableSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-(trimethylsiloxy)-1,3-cyclohexadiene?

The CAS number of 2-(trimethylsiloxy)-1,3-cyclohexadiene is 54781-19-0.

What are the molecular formula and molecular weight of 2-(trimethylsiloxy)-1,3-cyclohexadiene?

2-(trimethylsiloxy)-1,3-cyclohexadiene has molecular formula C9H16OSi and molecular weight 168.308 g/mol.

Is 2-(trimethylsiloxy)-1,3-cyclohexadiene hazardous?

2-(trimethylsiloxy)-1,3-cyclohexadiene 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. "2-(trimethylsiloxy)-1,3-cyclohexadiene (CAS 54781-19-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31083-5 (accessed 2026-10-22).

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