190616

2-Hydroxy-3-nitropyridine

98%

• Synonym(s): 3-Nitro-2-pyridinol, 3-Nitro-2-pyridone
• Empirical Formula (Hill Notation): C₅H₄N₂O₃
• CAS Number: 6332-56-5
• Molecular Weight: 140.10
• Beilstein/REAXYS Number: 124474
• EC Number: 228-709-2
• MDL number: MFCD00006270
• UNSPSC Code: 12352100
• PubChem Substance ID: 24851450
• NACRES: NA.22

Properties

• assay: 98%
• mp: 212 °C (dec.) (lit.)
• SMILES string: Oc1ncccc1[N+]([O-])=O
• InChI: 1S/C5H4N2O3/c8-5-4(7(9)10)2-1-3-6-5/h1-3H,(H,6,8)
• InChI key: BOAFCICMVMFLIT-UHFFFAOYSA-N

Description

General description

2-Hydroxy-3-nitropyridine reacts with phosphorus pentachloride and phosphoryl chloride to yield 2-chloro-3-nitropyridine.

Application

2-Hydroxy-3-nitropyridine was used in the synthesis of:

• 3-nitro-2-pyridyl β-D-galactoside
• 3-nitro-2-pyridyl N-acetyl-β-D-glucosaminide
• 5-amino-6-chloro-3-iodopyridine

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves