3-Bromo-5-methylpyridine（CAS# 3430-16-8)
| Risk Codes | 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. S39 – Wear eye / face protection. |
| UN IDs | NA 1993 / PGIII |
| WGK Germany | 3 |
| Hazard Class | IRRITANT |
Introduction
3-Bromo-5-methyl-pyridine is an organic compound with a chemical formula of C6H6BrN and a molecular weight of 173.03g/mol. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: Colorless to pale yellow liquid or crystalline solid.
-Solubility: Soluble in most organic solvents, such as alcohols, ethers and chlorinated hydrocarbons.
-Melting point: about 14-15 ℃.
-Boiling point: about 206-208 ℃.
-Density: about 1.49g/cm³.
-Odor: has a special and stimulating smell.
Use:
- 3-Bromo-5-methyl-pyridine is commonly used as an intermediate in organic synthesis and can be used to prepare other organic compounds, such as drugs, pesticides and dyes.
-It can also be used as a reagent in research and laboratory.
Preparation Method:
- 3-Bromo-5-methyl-pyridine can be synthesized by a variety of methods, one of which is commonly used by adding a methylating agent (such as methyl magnesium bromide) to 3-bromopyridine.
Safety Information:
- 3-Bromo-5-methyl-pyridine should be used in accordance with appropriate safety procedures, such as wearing personal protective equipment required in chemical laboratories.
-It may cause irritation and damage to the eyes, skin and respiratory system. Clean the affected area immediately and seek medical help if necessary.
-When storing and handling, it should be stored in a closed container, away from fire and high temperature.
-When disposing of waste, comply with local regulations and take appropriate environmental protection measures.
