2-Hydroxy-5-nitropyridine
2-Hydroxy-5-nitropyridine
CAS: 5418-51-9
Molecular Formula: C5H4N2O3
2-Hydroxy-5-nitropyridine - Names and Identifiers
| Name | 2-Hydroxy-5-nitropyridine |
| Synonyms | 5-NITRO-2-PYRIDINOL 5-Nirto-2-pyridinol 5-Nitro-2-pyridinol 5-(NITRO)PYRIDIN-2-OL 2-Pyridinol, 5-nitro- 5-Nitro-2(1H)-pyridone 5-nitropyridin-2(3H)-one 5-nitropyridin-2(1H)-one 2-Hydroxy-5-nitropyridine 2-HYDROXY-5-NITROPYRIDINE 5-Nitro-2-hydroxypyridine 2(1H)-Pyridinone, 5-nitro- 2-hydroxy-5-nitro pyridine |
| CAS | 5418-51-9 |
| EINECS | 226-525-7 |
| InChI | InChI=1/C5H4N2O3/c8-5-2-1-4(3-6-5)7(9)10/h1,3H,2H2 |
2-Hydroxy-5-nitropyridine - Physico-chemical Properties
| Molecular Formula | C5H4N2O3 |
| Molar Mass | 140.1 |
| Density | 1.5657 (rough estimate) |
| Melting Point | 188-191 °C (lit.) |
| Boling Point | 256.56°C (rough estimate) |
| Flash Point | 131.1°C |
| Water Solubility | Soluble in hot water and alkali liquor, Insoluble in most of organic solvents. |
| Solubility | DMSO (Slightly), Methanol (Very Slightly) |
| Vapor Presure | 0.00175mmHg at 25°C |
| Appearance | White to yellow crystals |
| Color | Light yellow to beige |
| BRN | 120352 |
| pKa | 8.06±0.10(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.4800 (estimate) |
| MDL | MFCD00006276 |
| Physical and Chemical Properties | Melting point 188-191°C |
| Use | Used as a pharmaceutical Intermediate |
2-Hydroxy-5-nitropyridine - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| HS Code | 29333990 |
| Hazard Class | IRRITANT |
2-Hydroxy-5-nitropyridine - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| Use | Used as an intermediate in organic synthesis. Used as a pharmaceutical intermediate |
| production method | is obtained by nitrification and hydrolysis of 2-aminopyridine. |
Last Update：2024-04-09 02:00:09
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