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2,3-Difluorophenylboronic acid

2,3-二氟苯硼酸

Also known as: 2,3-Difluorobenzeneboronic acid, 2,3-Difluorophenylboronic acid (contains varying amounts of anhydride), (2,3-Difluorophenyl)boronic acid, MFCD01863170, Boronic acid, B-(2,3-difluorophenyl)-, RARECHEM AH PB 0166

2,3-Difluorophenylboronic acid (CAS 121219-16-7) 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 157.911 g/mol. It is also known as 2,3-Difluorobenzeneboronic acid, 2,3-Difluorophenylboronic acid (contains varying amounts of anhydride) and (2,3-Difluorophenyl)boronic acid. Key properties include a melting point of 95 °C (dec.)(lit.), a boiling point of 274.8±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 120.0±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
121219-16-7
Jingsj CID
J-35783-6
Molecular Formula
C6H5BF2O2
Chinese Name
2,3-二氟苯硼酸
Molecular Weight
157.911 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point95 °C (dec.)(lit.)
Boiling Point274.8±50.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point120.0±30.1 °C

Frequently Asked Questions

What is the CAS number of 2,3-Difluorophenylboronic acid?

The CAS number of 2,3-Difluorophenylboronic acid is 121219-16-7.

What are the molecular formula and molecular weight of 2,3-Difluorophenylboronic acid?

2,3-Difluorophenylboronic acid has molecular formula C6H5BF2O2 and molecular weight 157.911 g/mol.

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

Last updated:

How to cite: Jingsj. "2,3-Difluorophenylboronic acid (CAS 121219-16-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35783-6 (accessed 2026-10-22).

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