2-Hydroxy-4-methyl-3-nitropyridine（CAS# 21901-18-8)
| 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. S36 – Wear suitable protective clothing. S37/39 – Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29337900 |
| Hazard Note | Irritant |
Introduction
2-Hydroxy-4-methyl-3-nitropyridine is an organic compound with the following properties:
Appearance: 2-Hydroxy-4-methyl-3-nitropyridine is a yellow to orange-yellow crystalline powder.
Solubility: soluble in ethanol and ether, insoluble in water.
Stability: Relatively stable at room temperature.
2-Hydroxy-4-methyl-3-nitropyridine has certain applications in the field of chemistry:
Fluorescent dye: the special property of its molecular structure, 2-hydroxy-4-methyl-3-nitropyridine can be used as a raw material for the synthesis of fluorescent dyes.
Catalyst: 2-hydroxy-4-methyl-3-nitropyridine can be used as a catalyst in some catalytic reactions.
Method for preparing 2-hydroxy-4-methyl-3-nitropyridine:
2-Hydroxy-4-methyl-3-nitropyridine is usually obtained by reacting methylpyridine with nitrifying acid. The reaction conditions require controlled temperature and controlled molar ratio of reactants.
Safety Information:
Prevent inhalation: Avoid inhaling dust or gases from this compound.
Storage Caution: It should be stored in a dry and cool place, and isolated from combustibles, oxidants, strong acids and other items.
Caution: Appropriate personal protective equipment (PPE) such as laboratory gloves and protective glasses need to be worn during operation.
