4-hydroxy pyridine
4-Pyridinol
CAS: 626-64-2
Molecular Formula: C5H5NO
4-hydroxy pyridine - Names and Identifiers
| Name | 4-Pyridinol |
| Synonyms | 4-Pyridol 4-PYRIDINOL 4-Pyridinol PYRIDIN-4-OL Pyridin-4-ol 4-pyridine phenol 4-Hydroxypyridine 4-Hydroxypyridone 4-HYDROXYPYRIDINE 4-hydroxy pyridine TIMTEC-BB SBB000030 Hydroxypyridine(Gamma-) |
| CAS | 626-64-2 |
| EINECS | 210-958-3 |
| InChI | InChI=1/C5H5NO/c7-5-1-3-6-4-2-5/h1-4H,(H,6,7) |
| InChIKey | GCNTZFIIOFTKIY-UHFFFAOYSA-N |
4-hydroxy pyridine - Physico-chemical Properties
| Molecular Formula | C5H5NO |
| Molar Mass | 95.1 |
| Density | 1.1418 (rough estimate) |
| Melting Point | 150-151 °C (lit.) |
| Boling Point | 230-235 °C/12 mmHg (lit.) |
| Flash Point | 221 °C |
| Water Solubility | Soluble |
| Solubility | Dissolved in water · |
| Appearance | Crystallization |
| Color | Beige to light brown |
| BRN | 105800 |
| pKa | 3.2(at 20℃) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Sensitive | Easy to absorb moisture and sensitive to light |
| Refractive Index | 1.5939 (estimate) |
| MDL | MFCD00040458 |
| Physical and Chemical Properties | appearance light brown to off-white solid |
| Use | For the synthesis of diuretic torasemide or other drug intermediates |
4-hydroxy pyridine - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R41 - Risk of serious damage to eyes R37/38 - Irritating to respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection S39 - Wear eye / face protection. |
| WGK Germany | 3 |
| RTECS | UU7701450 |
| FLUKA BRAND F CODES | 3-8-10 |
| TSCA | Yes |
| HS Code | 29339900 |
| Hazard Note | Harmful/Irritant |
| Hazard Class | IRRITANT |
4-hydroxy pyridine - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | for synthesis of diuretic torasemide or other drug intermediates |
Last Update：2024-04-09 02:00:10
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