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

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?

609-71-2

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

C6H5NO3, molecular weight 139.109 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026