4-Chloro-3-fluorobenzeneboronic acid

4-氯-3-氟苯硼酸

Also known as: 4-Chloro-3-fluorophenylboronic acid, (4-chloro-3-fluorophenyl)boronic acid, 3-fluoro-4-chlorophenylboronic acid, Boronic acid, B-(4-chloro-3-fluorophenyl)-, dihydroxy(3-fluoro-4-chlorophenyl)-borane

4-Chloro-3-fluorobenzeneboronic acid (CAS 137504-86-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H5BClFO2 and a molecular weight of 174.37 g/mol. It is also known as 4-Chloro-3-fluorophenylboronic acid, (4-chloro-3-fluorophenyl)boronic acid and 3-fluoro-4-chlorophenylboronic acid. Key properties include a melting point of 85-87 °C(lit.), a boiling point of 302.6±52.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 136.8±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 137504-86-0
Jingsj CID: J-1966650-3
Molecular Formula: C₆H₅BClFO₂
Chinese Name: 4-氯-3-氟苯硼酸
Molecular Weight: 174.37 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	85-87 °C(lit.)
Boiling Point	302.6±52.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	136.8±30.7 °C

Frequently Asked Questions

What is the CAS number of 4-Chloro-3-fluorobenzeneboronic acid?

The CAS number of 4-Chloro-3-fluorobenzeneboronic acid is 137504-86-0.

What are the molecular formula and molecular weight of 4-Chloro-3-fluorobenzeneboronic acid?

4-Chloro-3-fluorobenzeneboronic acid has molecular formula C6H5BClFO2 and molecular weight 174.37 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-Chloro-3-fluorobenzeneboronic acid (CAS 137504-86-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1966650-3 (accessed 2026-10-22).

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