2-Pyridineboronic acid

2-吡啶硼酸

Also known as: 2-Pyridylboronic acid, 2-Pyridinylboronic acid, Pyridin-2-ylboronic acid, Pyridine-2-boronic acid, Pyridin-2-boronic acid, Pyridine-2-boronic acid (contains varying amounts of anhydride), pyridylboronic acid, Acide pyridin-2-ylboronique, Boronic acid, B-2-pyridinyl-, Boronic acid, 2-pyridinyl- (9CI)

2-Pyridineboronic acid (CAS 197958-29-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6BNO2 and a molecular weight of 122.918 g/mol. It is also known as 2-Pyridylboronic acid, 2-Pyridinylboronic acid and Pyridin-2-ylboronic acid. Key properties include a melting point of >300ºC, a boiling point of 308.8±34.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 140.5±25.7 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
197958-29-5
Jingsj CID
J-1441974-0
Molecular Formula
C5H6BNO2
Chinese Name
2-吡啶硼酸
Molecular Weight
122.918 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point>300ºC
Boiling Point308.8±34.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point140.5±25.7 °C

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-Pyridineboronic acid?

The CAS number of 2-Pyridineboronic acid is 197958-29-5.

What are the molecular formula and molecular weight of 2-Pyridineboronic acid?

2-Pyridineboronic acid has molecular formula C5H6BNO2 and molecular weight 122.918 g/mol.

Is 2-Pyridineboronic acid hazardous?

2-Pyridineboronic acid has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "2-Pyridineboronic acid (CAS 197958-29-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1441974-0 (accessed 2026-10-22).

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