Triphenylvinylsilane

三苯基乙烯基硅烷

Also known as: Vinyltriphenylsilane, Ethenyltriphenylsilane, (Triphenylsilyl)ethylene, Benzene,1,1',1''-(ethenylsilylidyne)tris-, NSC 139006, Silane, ethenyltriphenyl-

Triphenylvinylsilane (CAS 18666-68-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H18Si and a molecular weight of 286.442 g/mol. It is also known as Vinyltriphenylsilane, Ethenyltriphenylsilane and (Triphenylsilyl)ethylene. Key properties include a melting point of 68-70 °C(lit.), a boiling point of 365.9±15.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 161.3±14.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18666-68-7
Jingsj CID
J-40995-7
Molecular Formula
C20H18Si
Chinese Name
三苯基乙烯基硅烷
Molecular Weight
286.442 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point68-70 °C(lit.)
Boiling Point365.9±15.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point161.3±14.0 °C

Frequently Asked Questions

What is the CAS number of Triphenylvinylsilane?

The CAS number of Triphenylvinylsilane is 18666-68-7.

What are the molecular formula and molecular weight of Triphenylvinylsilane?

Triphenylvinylsilane has molecular formula C20H18Si and molecular weight 286.442 g/mol.

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

Last updated:

How to cite: Jingsj. "Triphenylvinylsilane (CAS 18666-68-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40995-7 (accessed 2026-10-22).

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