5-Bromopyridine-2-carboxylic acid（CAS# 30766-11-1)
| Hazard Symbols | Xi – Irritant |
| Risk Codes | 36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | S24/25 – Avoid contact with skin and eyes. S36 – Wear suitable protective clothing. 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 |
| HS Code | 29333990 |
| Hazard Class | IRRITANT |
Introduction
Properties: 5-bromo-2-pyridine carboxylic acid is a colorless to light yellow crystalline powder. It is soluble in water, alcohol and ether, and slightly soluble in benzene and petroleum ether. It is stable at room temperature, but easily decomposes at high temperatures.
Uses: 5-bromo-2-pyridine carboxylic acid is often used as an intermediate in organic synthesis.
Preparation method: There are several preparation methods of 5-bromo-2-pyridine carboxylic acid. A common method is to react 2-pyridine carboxylic acid with bromine to produce 5-bromo-2-pyridine carboxylic acid. This reaction can be carried out in acetic acid and the reaction temperature is heated at room temperature. At the end of the reaction, the product can be obtained by crystallization and filtration.
Safety Information: 5-Bromo-2-pyridine carboxylic acid is generally safe under normal conditions of use. Safe operating procedures should be followed and stored in a dry, cool place, away from ignition and oxidants.
