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2-Hydroxy-3-nitropyridine

2-羟基-3-硝基吡啶

Also known as: 2(1H)-Pyridinone, 3-nitro-, 2(3H)-Pyridinone, 3-nitro- (9CI), 3-Nitro-2(1H)-pyridinone, 3-Nitro-2(1H)-pyridone, 3-Nitro-2-hydroxypyridine, 3-Nitro-2-pyridone, 3-Nitropyridin-2-ol, 3-Nitropyridin-2(1H)-one, AURORA KA-2996, EINECS 228-709-2, MFCD00006270, Pyridine, 2-hydroxy-3-nitro-

2-Hydroxy-3-nitropyridine (CAS 137280-55-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N2O3 and a molecular weight of 140.097 g/mol. It is also known as 2(1H)-Pyridinone, 3-nitro-, 2(3H)-Pyridinone, 3-nitro- (9CI) and 3-Nitro-2(1H)-pyridinone. Key properties include a melting point of 212ºC (dec.)(lit.), a boiling point of 314.7±22.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 144.1±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
137280-55-8
Jingsj CID
J-1524030-5
Molecular Formula
C5H4N2O3
Chinese Name
2-羟基-3-硝基吡啶
Molecular Weight
140.097 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point212ºC (dec.)(lit.)
Boiling Point314.7±22.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point144.1±22.3 °C

Frequently Asked Questions

What is the CAS number of 2-Hydroxy-3-nitropyridine?

The CAS number of 2-Hydroxy-3-nitropyridine is 137280-55-8.

What are the molecular formula and molecular weight of 2-Hydroxy-3-nitropyridine?

2-Hydroxy-3-nitropyridine has molecular formula C5H4N2O3 and molecular weight 140.097 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Hydroxy-3-nitropyridine (CAS 137280-55-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524030-5 (accessed 2026-10-25).

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