2-Hydroxy-4-methyl-3-nitropyridine

2-羟基-3-硝基-4-甲基吡啶

Also known as: 4-Methyl-3-nitro-2-pyridinol, 2-Hydroxy-3-nitro-4-methylpyridine, 2-Hydroxy-3-nitro-4-picoline, 4-Methyl-3-nitro-2-pyridone, 4-Methyl-3-nitropyridin-2-ol, 2(1H)-Pyridinone, 4-methyl-3-nitro-

2-Hydroxy-4-methyl-3-nitropyridine (CAS 21901-18-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6N2O3 and a molecular weight of 154.123 g/mol. It is also known as 4-Methyl-3-nitro-2-pyridinol, 2-Hydroxy-3-nitro-4-methylpyridine and 2-Hydroxy-3-nitro-4-picoline. Key properties include a melting point of 229-232 °C(lit.), a boiling point of 323.5±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 149.4±26.5 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

21901-18-8

Jingsj CID

J-1042631-7

Molecular Formula

C₆H₆N₂O₃

Chinese Name

2-羟基-3-硝基-4-甲基吡啶

Molecular Weight

154.123 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026