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2-Fluoro-3-(trifluoromethyl)phenylboronic acid

2-氟-3-(三氟甲基)苯基硼酸

Also known as: 2-Fluoro-3-(trifluoromethyl)benzeneboronic acid, 2-Fluoro-3-trifluoromethylphenylboronic acid, 2-FLUORO-3-(TRIFLUOROMETHYL)PHENYLBORON&, Boronic acid, B-[2-fluoro-3-(trifluoromethyl)phenyl]-, MFCD07784336, [2-Fluoro-3-(trifluoromethyl)phenyl]boronic acid

2-Fluoro-3-(trifluoromethyl)phenylboronic acid (CAS 157834-21-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5BF4O2 and a molecular weight of 207.918 g/mol. It is also known as 2-Fluoro-3-(trifluoromethyl)benzeneboronic acid, 2-Fluoro-3-trifluoromethylphenylboronic acid and 2-FLUORO-3-(TRIFLUOROMETHYL)PHENYLBORON&. Key properties include a melting point of 56-58ºC(lit.), a boiling point of 276.5±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 121.0±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
157834-21-4
Jingsj CID
J-7342-6
Molecular Formula
C7H5BF4O2
Chinese Name
2-氟-3-(三氟甲基)苯基硼酸
Molecular Weight
207.918 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point56-58ºC(lit.)
Boiling Point276.5±50.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point121.0±30.1 °C

Frequently Asked Questions

What is the CAS number of 2-Fluoro-3-(trifluoromethyl)phenylboronic acid?

The CAS number of 2-Fluoro-3-(trifluoromethyl)phenylboronic acid is 157834-21-4.

What are the molecular formula and molecular weight of 2-Fluoro-3-(trifluoromethyl)phenylboronic acid?

2-Fluoro-3-(trifluoromethyl)phenylboronic acid has molecular formula C7H5BF4O2 and molecular weight 207.918 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Fluoro-3-(trifluoromethyl)phenylboronic acid (CAS 157834-21-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7342-6 (accessed 2026-10-23).

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