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(3,5-Difluorophenyl)boronic acid

3,5-二氟苯硼酸

Also known as: 3,5-Difluorophenylboronic acid, 3,5-Difluorobenzeneboronic acid, (3,5-Difluorophenyl)dihydroxyborane, B-(3,5-Difluorophenyl)boronic acid, Boronic acid, B-(3,5-difluorophenyl)-

(3,5-Difluorophenyl)boronic acid (CAS 156545-07-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H5BF2O2 and a molecular weight of 157.91 g/mol. It is also known as 3,5-Difluorophenylboronic acid, 3,5-Difluorobenzeneboronic acid and (3,5-Difluorophenyl)dihydroxyborane. Key properties include a melting point of 210-217 °C(lit.), a boiling point of 266.9±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 115.2±30.1 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
156545-07-2
Jingsj CID
J-28045-9
Molecular Formula
C6H5BF2O2
Chinese Name
3,5-二氟苯硼酸
Molecular Weight
157.91 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point210-217 °C(lit.)
Boiling Point266.9±50.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point115.2±30.1 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of (3,5-Difluorophenyl)boronic acid?

The CAS number of (3,5-Difluorophenyl)boronic acid is 156545-07-2.

What are the molecular formula and molecular weight of (3,5-Difluorophenyl)boronic acid?

(3,5-Difluorophenyl)boronic acid has molecular formula C6H5BF2O2 and molecular weight 157.91 g/mol.

Is (3,5-Difluorophenyl)boronic acid hazardous?

(3,5-Difluorophenyl)boronic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "(3,5-Difluorophenyl)boronic acid (CAS 156545-07-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28045-9 (accessed 2026-10-22).

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