2 5-dibromo-6-methylpyridine（CAS# 39919-65-8)
Risk and Safety
| Risk Codes | R20/21/22 – Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 – Irritating to eyes, respiratory system and skin. R41 – Risk of serious damage to eyes R22 – Harmful if swallowed |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 2811 6.1/PG 3 |
| WGK Germany | 3 |
| HS Code | 29333990 |
| Hazard Note | Harmful |
| Hazard Class | IRRITANT |
| Packing Group | III |
2 5-dibromo-6-methylpyridine（CAS# 39919-65-8) Introduction
2,5-Dibromo-6-methylpyridine is an organic compound. The following is an introduction to its properties, uses, preparation methods and safety information:
Properties:
Appearance: 2,5-Dibromo-6-methylpyridine is a colorless or light yellow solid.
Solubility: It is soluble in some organic solvents, such as ethanol, ether and ester solvents.
Uses: It can be used in organic synthesis to introduce methyl groups or as a bromination reagent.
Preparation method:
The preparation method of 2,5-Dibromo-6-methylpyridine can be carried out by the following steps:
Dissolve 2,6-dimethylpyridine in alcohol, ketone or ester solvent.
Add bromine or bromination reagent to the reaction solution.
The reaction is carried out at an appropriate temperature, and the reaction time is usually longer.
After obtaining the product, it can be extracted and purified by distillation or crystallization purification methods.
Safety information:
2,5-Dibromo-6-methylpyridine is toxic to a certain extent and irritates the skin and eyes. Direct contact should be avoided. During operation, appropriate protective equipment should be worn, such as gloves and goggles. Operation should be carried out in a well-ventilated area to prevent inhalation of harmful gases. When disposing of waste, it should be handled in accordance with local regulations. When using or storing 2,5-dibromo-6-methylpyridine, care should be taken to avoid fire and high temperatures.
