4,4'-Bis(triethoxysilyl)-1,1'-biphenyl

4,4'-双(三乙氧基甲硅烷基)-1,1'-联苯

Also known as: 4,4'-Bis(triethoxysilyl)biphenyl, 4,4'-Biphenyldiylbis(triethoxysilane), triethoxy-[4-(4-triethoxysilylphenyl)phenyl]silane, 1,1'-Biphenyl, 4,4'-bis(triethoxysilyl)-, MFCD06798075

4,4'-Bis(triethoxysilyl)-1,1'-biphenyl (CAS 123640-93-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C24H38O6Si2 and a molecular weight of 478.726 g/mol. It is also known as 4,4'-Bis(triethoxysilyl)biphenyl, 4,4'-Biphenyldiylbis(triethoxysilane) and triethoxy-[4-(4-triethoxysilylphenyl)phenyl]silane. Key properties include a boiling point of 454.9±38.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 192.8±27.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 123640-93-7
Jingsj CID: J-36776-9
Molecular Formula: C₂₄H₃₈O₆Si₂
Chinese Name: 4,4'-双(三乙氧基甲硅烷基)-1,1'-联苯
Molecular Weight: 478.726 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	454.9±38.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	192.8±27.2 °C

Frequently Asked Questions

What is the CAS number of 4,4'-Bis(triethoxysilyl)-1,1'-biphenyl?

The CAS number of 4,4'-Bis(triethoxysilyl)-1,1'-biphenyl is 123640-93-7.

What are the molecular formula and molecular weight of 4,4'-Bis(triethoxysilyl)-1,1'-biphenyl?

4,4'-Bis(triethoxysilyl)-1,1'-biphenyl has molecular formula C24H38O6Si2 and molecular weight 478.726 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4,4'-Bis(triethoxysilyl)-1,1'-biphenyl (CAS 123640-93-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36776-9 (accessed 2026-10-23).

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