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[4-(Trimethylsilyl)phenyl]boronic acid

4-(三甲硅基)苯硼酸

Also known as: 4-(Trimethylsilyl)benzeneboronic acid, 4-(Trimethylsilyl)phenylboronic acid, p-Trimethylsilylbenzeneboronic acid, 4-trimethylsilylphenylboronic acid, (4-trimethylsilylphenyl)boronic acid

[4-(Trimethylsilyl)phenyl]boronic acid (CAS 17865-11-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H15BO2Si and a molecular weight of 194.111 g/mol. It is also known as 4-(Trimethylsilyl)benzeneboronic acid, 4-(Trimethylsilyl)phenylboronic acid and p-Trimethylsilylbenzeneboronic acid. Key properties include a melting point of 173-178 °C(lit.), a boiling point of 294.4±42.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 131.8±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17865-11-1
Jingsj CID
J-1993543-4
Molecular Formula
C9H15BO2Si
Chinese Name
4-(三甲硅基)苯硼酸
Molecular Weight
194.111 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point173-178 °C(lit.)
Boiling Point294.4±42.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point131.8±27.9 °C

Frequently Asked Questions

What is the CAS number of [4-(Trimethylsilyl)phenyl]boronic acid?

The CAS number of [4-(Trimethylsilyl)phenyl]boronic acid is 17865-11-1.

What are the molecular formula and molecular weight of [4-(Trimethylsilyl)phenyl]boronic acid?

[4-(Trimethylsilyl)phenyl]boronic acid has molecular formula C9H15BO2Si and molecular weight 194.111 g/mol.

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

Last updated:

How to cite: Jingsj. "[4-(Trimethylsilyl)phenyl]boronic acid (CAS 17865-11-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993543-4 (accessed 2026-10-22).

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