3-Nitro-2-pyridinol（CAS# 6332-56-5)
| 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. |
| WGK Germany | 3 |
| RTECS | UU7718000 |
| FLUKA BRAND F CODES | 10 |
Introduction
2-Hydroxy-3-nitropyridine is an organic compound with the molecular formula C5H4N2O3 and the structural formula HO-NO2-C5H3N.
Nature:
2-Hydroxy-3-nitropyridine is a yellow crystal that can be dissolved in some organic solvents such as ethanol and dimethylformamide. It has a lower melting and boiling point.
Use:
2-Hydroxy-3-nitropyridine is commonly used in organic synthesis reactions, such as as reagents or raw materials. It can participate in a variety of chemical reactions, such as reduction reaction and esterification reaction.
Preparation Method:
The preparation of 2-Hydroxy-3-nitropyridine can generally be obtained by a nitration reaction. First, pyridine is reacted with concentrated nitric acid to form 2-nitropyridine. 2-Nitropyridine is then reacted with concentrated base to form 2-Hydroxy-3-nitropyridine.
Safety Information:
2-Hydroxy-3-nitropyridine is a chemical and should be used safely. It may be irritating to the eyes, skin and respiratory tract. Contact and inhalation of the compound should be avoided during operation. Use personal protective equipment such as chemical protective gloves and goggles when using them. In addition, the operation should be carried out in a well-ventilated place to ensure safety.
