Bis(4-bromophenyl)diphenylsilane

双(4-溴苯基)二苯基硅烷

Also known as: 1,1'-(diphenylsilylene)bis[4-bromobenzene], benzene, 1,1'-(diphenylsilylene)bis[4-bromo-, NSC 168683, bis(4-bromophenyl)-diphenyl-silane, bis(4-bromophenyl)-diphenylsilane

Bis(4-bromophenyl)diphenylsilane (CAS 18733-91-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C24H18Br2Si and a molecular weight of 494.29300 g/mol. It is also known as 1,1'-(diphenylsilylene)bis[4-bromobenzene], benzene, 1,1'-(diphenylsilylene)bis[4-bromo- and NSC 168683. Key properties include a melting point of 169 °C, a boiling point of 494.4ºC at 760 mmHg, a density of 1.49g/cm3 and a flash point of 390.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18733-91-0
Jingsj CID
J-1042655-3
Molecular Formula
C24H18Br2Si
Chinese Name
双(4-溴苯基)二苯基硅烷
Molecular Weight
494.29300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point169 °C
Boiling Point494.4ºC at 760 mmHg
Density1.49g/cm3
Flash Point390.5ºC

Frequently Asked Questions

What is the CAS number of Bis(4-bromophenyl)diphenylsilane?

The CAS number of Bis(4-bromophenyl)diphenylsilane is 18733-91-0.

What are the molecular formula and molecular weight of Bis(4-bromophenyl)diphenylsilane?

Bis(4-bromophenyl)diphenylsilane has molecular formula C24H18Br2Si and molecular weight 494.29300 g/mol.

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

Last updated:

How to cite: Jingsj. "Bis(4-bromophenyl)diphenylsilane (CAS 18733-91-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1042655-3 (accessed 2026-10-25).

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