4-Bromopyridin-3-amine - Names and Identifiers
4-Bromopyridin-3-amine - Physico-chemical Properties
Molecular Formula | C5H5BrN2
|
Molar Mass | 173.01 |
Density | 1.710±0.06 g/cm3(Predicted) |
Boling Point | 287.6±20.0 °C(Predicted) |
Flash Point | 8.388°C |
Vapor Presure | 34.741mmHg at 25°C |
Appearance | White solid |
pKa | 3.88±0.10(Predicted) |
Storage Condition | Keep in dark place,Inert atmosphere,Store in freezer, under -20°C |
Refractive Index | 1.333 |
4-Bromopyridin-3-amine - Risk and Safety
Hazard Symbols | Xn - Harmful
|
Risk Codes | 22 - Harmful if swallowed
|
Hazard Class | IRRITANT |
4-Bromopyridin-3-amine - Introduction
3-Amino-4-bromopyridine is an organic compound with the chemical formula C5H5BrN2. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 3-Amino-4-bromopyridine is a white to pale yellow crystalline solid.
-Solubility: insoluble in water, but soluble in organic solvents such as alcohols, ethers and chlorinated hydrocarbons.
-Melting point: Its melting point range is 50-53 degrees Celsius.
-Toxicity: 3-Amino-4-bromopyridine is a toxic compound, please follow the relevant laboratory safety procedures for use.
Use:
- 3-Amino-4-bromopyridine is an important organic synthesis intermediate, commonly used in the synthesis of drugs and pesticides.
-It can be used in the preparation of pesticides, antitumor drugs, antiviral drugs and other pharmaceutical compounds.
-In addition, it can also be used as a ligand in catalysts and metal ligands.
Method:
The preparation of 3-Amino-4-bromopyridine can usually be done by the following methods:
1. Use pyridine and hydrochloric acid to react to generate 3-chloropyridine.
2.3-chloropyridine reacts with bromide to generate 3-bromopyridine in the presence of base.
3. Finally, 3-bromopyridine is treated with ammonia water or ammonia gas to obtain 3-Amino-4-bromopyridine product.
Safety Information:
-Since 3-Amino-4-bromopyridine is a toxic substance, please use it in a suitable laboratory environment and comply with relevant safety procedures.
-Avoid inhalation, ingestion or contact with skin and eyes.
-during use, be sure to be equipped with appropriate personal protective equipment, such as protective glasses, gloves, protective clothing, etc.
-When storing and handling, please ensure that it is stored separately from oxidants, acids and other substances that should react to avoid accidents.
Last Update:2024-04-09 21:04:16