2-Hydroxynicotinic acid

2-羟基烟酸

Also known as: 2-Hydroxypyridine-3-carboxylic acid, 2-Hydroxy-3-picolinic acid, 1,2-Dihydro-2-oxo-3-pyridinecarboxylic acid, 2-Oxo-1,2-dihydropyridine-3-carboxylic acid, 3-Carboxy-2-pyridone, 2-Hydroxy-3-pyridinecarboxylic acid

2-Hydroxynicotinic acid (CAS 609-71-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H5NO3 and a molecular weight of 139.109 g/mol. It is also known as 2-Hydroxypyridine-3-carboxylic acid, 2-Hydroxy-3-picolinic acid and 1,2-Dihydro-2-oxo-3-pyridinecarboxylic acid. Key properties include a melting point of 258-261 °C(lit.), a boiling point of 427.5±30.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 212.4±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
609-71-2
Jingsj CID
J-1153697-2
Molecular Formula
C6H5NO3
Chinese Name
2-羟基烟酸
Molecular Weight
139.109 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point258-261 °C(lit.)
Boiling Point427.5±30.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point212.4±24.6 °C

Frequently Asked Questions

What is the CAS number of 2-Hydroxynicotinic acid?

The CAS number of 2-Hydroxynicotinic acid is 609-71-2.

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

2-Hydroxynicotinic acid has molecular formula C6H5NO3 and molecular weight 139.109 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Hydroxynicotinic acid (CAS 609-71-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1153697-2 (accessed 2026-10-22).

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