1,2-Bis(trimethylsilyl)benzene

1,2-双(三甲基硅烷基)苯

Also known as: 1,2-BIS(TRIMETHYLSILYL)BENZENE, 1,2-BIS(TRIMETHYLSILY)BENZENE, 1,2-PHENYLENEBIS(TRIMETHYLSILANE), Benzene, 1,2-bis(trimethylsilyl)-, Trimethyl[2-(trimethylsilyl)phenyl]silane, trimethyl-(2-trimethylsilylphenyl)silane

1,2-Bis(trimethylsilyl)benzene (CAS 17151-09-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H22Si2 and a molecular weight of 222.474 g/mol. It is also known as 1,2-BIS(TRIMETHYLSILYL)BENZENE, 1,2-BIS(TRIMETHYLSILY)BENZENE and 1,2-PHENYLENEBIS(TRIMETHYLSILANE). Key properties include a boiling point of 249.9±13.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 89.5±12.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 17151-09-6
Jingsj CID: J-28423-9
Molecular Formula: C₁₂H₂₂Si₂
Chinese Name: 1,2-双(三甲基硅烷基)苯
Molecular Weight: 222.474 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	249.9±13.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	89.5±12.9 °C
Exact Mass	222.126007
LogP	7.22
Vapor Pressure	0.0±0.5 mmHg at 25°C
Refractive Index	1.467

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 1,2-Bis(trimethylsilyl)benzene?

The CAS number of 1,2-Bis(trimethylsilyl)benzene is 17151-09-6.

What are the molecular formula and molecular weight of 1,2-Bis(trimethylsilyl)benzene?

1,2-Bis(trimethylsilyl)benzene has molecular formula C12H22Si2 and molecular weight 222.474 g/mol.

What are the upstream and downstream products of 1,2-Bis(trimethylsilyl)benzene?

For 1,2-Bis(trimethylsilyl)benzene, Upstream Products: Chlorotrimethylsilane, 1,2-Dichlorobenzene, Trimethylsilyl trifluoromethanesulfonate; Downstream Products: 1-Bromo-2-iodobenzene, 1,2-Diiodobenzene.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1,2-Bis(trimethylsilyl)benzene (CAS 17151-09-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28423-9 (accessed 2026-10-28).

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