5-Chloro-2-hydroxy-3-nitropyridine

5-氯-2-羟基-3-硝基吡啶

Also known as: 5-chloro-3-nitropyridin-2-ol, 5-Chloro-3-nitro-2-pyridinol, 2-hydroxy-3-nitro-5-chloropyridine, 2-hydroxy-5-chloro-3-nitropyridine, 5-chloro-3-nitro-1H-pyridin-2-one, 5-Chloro-3-nitropyridin-2-ol, 5-Chloro-2-hydroxy-3-nitropyridine,97%, 2-pyridinol, 5-chloro-3-nitro-, 5-CHLORO-3-NITRO-2-PYRIDINOL, 5-Chlor-3-nitro-pyridin-2-ol, MFCD00114884

5-Chloro-2-hydroxy-3-nitropyridine (CAS 21427-61-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3ClN2O3 and a molecular weight of 174.542 g/mol. It is also known as 5-chloro-3-nitropyridin-2-ol, 5-Chloro-3-nitro-2-pyridinol and 2-hydroxy-3-nitro-5-chloropyridine. Key properties include a melting point of 234 °C, a boiling point of 316.0±37.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 144.9±26.5 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

21427-61-2

Jingsj CID

J-22033-0

Molecular Formula

C₅H₃ClN₂O₃

Chinese Name

5-氯-2-羟基-3-硝基吡啶

Molecular Weight

174.542 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026