(3,5-dibromophenyl)trimethylsilane

Also known as: (3,5-Dibromophenyl)(trimethyl)silane, 1,3-dibromo-5-(trimethylsilyl)benzene, 3,5-Dibromo-1-trimethylsilylbenzene, 5-trimethylsilyl-1,3-dibromobenzene, Benzene, 1,3-dibromo-5-(trimethylsilyl)-, Silane, (3,5-dibromophenyl)trimethyl-, MFCD03844787

(3,5-dibromophenyl)trimethylsilane (CAS 17878-23-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H12Br2Si and a molecular weight of 308.085 g/mol. Key properties include a melting point of 40ºC, a boiling point of 280.1±20.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 176.9±16.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 17878-23-8
Jingsj CID: J-4643-5
Molecular Formula: C₉H₁₂Br₂Si
Molecular Weight: 308.085 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	40ºC
Boiling Point	280.1±20.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	176.9±16.8 °C
Exact Mass	305.907501
LogP	6.22
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.558

Customs & Trade Information

HS Code	2931900090
Summary	2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (3,5-dibromophenyl)trimethylsilane?

The CAS number of (3,5-dibromophenyl)trimethylsilane is 17878-23-8.

What are the molecular formula and molecular weight of (3,5-dibromophenyl)trimethylsilane?

(3,5-dibromophenyl)trimethylsilane has molecular formula C9H12Br2Si and molecular weight 308.085 g/mol.

What are the upstream and downstream products of (3,5-dibromophenyl)trimethylsilane?

For (3,5-dibromophenyl)trimethylsilane, Upstream Products: Chlorotrimethylsilane, 1,3,5-Tribromobenzene, Tetramethylsilane; Downstream Products: (m-terphenyl-5'-yl)trimethylsilane, (3,5-Diphenylphenyl)boronic acid, 1-Bromo-3-(trimethylsilyl)benzene.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(3,5-dibromophenyl)trimethylsilane (CAS 17878-23-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4643-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.