3-BROMO-4-CHLOROPYRIDINE - Names and Identifiers
3-BROMO-4-CHLOROPYRIDINE - Physico-chemical Properties
Molecular Formula | C5H3BrClN
|
Molar Mass | 192.44 |
Density | 1.19 |
Melting Point | 17.5-18.5 °C |
Boling Point | 115 °C(Press: 20 Torr) |
Flash Point | 79.2°C |
Vapor Presure | 0.326mmHg at 25°C |
Appearance | Liquid After Melting |
Color | Clear colorless to yellow |
pKa | 1.74±0.10(Predicted) |
Storage Condition | Inert atmosphere,Store in freezer, under -20°C |
Refractive Index | 1.453 |
Physical and Chemical Properties | Light yellow liquid |
3-BROMO-4-CHLOROPYRIDINE - Risk and Safety
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin.
R20/22 - Harmful by inhalation and if swallowed.
R41 - Risk of serious damage to eyes
R37/38 - Irritating to respiratory system and skin.
R25 - Toxic if swallowed
|
Safety Description | S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S22 - Do not breathe dust.
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S39 - Wear eye / face protection.
|
HS Code | 29333990 |
Hazard Class | IRRITANT |
3-BROMO-4-CHLOROPYRIDINE - Introduction
3-Bromo-4-choropyridine is an organic compound with the chemical formula C5H3BrClN. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: 3-Bromo-4-chloropyridine is a colorless to pale yellow crystal or pure white solid.
-Melting point: Its melting point is about 89-93 degrees Celsius.
-Boiling point: Its boiling point is about 220-230 degrees Celsius.
-Density: Its density is about 1.76-1.79g/cm3.
-Solubility: 3-Bromo-4-chloropyridine can be dissolved in organic solvents, such as ethanol and chloroform.
Use:
- 3-Bromo-4-chloropyridine is an important organic synthesis intermediate, commonly used in the synthesis of other organic compounds, such as pesticides, pharmaceuticals and dyes.
-It can also be used as a catalyst and coordination reagent.
Preparation Method:
- 3-Bromo-4-chloropyridine can be prepared by the reaction between pyridine and bromine and chlorine compounds. A common method is to react pyridine with hydrogen bromide under acidic conditions to give 3-bromopyridine, which is then chlorinated with ferrous chloride to give 3-Bromo-4-chloropyridine.
Safety Information:
- 3-Bromo-4-chloropyridine should be handled and stored to avoid inhalation, contact with skin and eyes, because it may cause irritation and damage to the human body.
-Wear personal protective equipment such as protective gloves, goggles and protective clothing during use.
-Operate in a well-ventilated place to avoid inhaling its vapor.
-In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical help.
-Please use in strict accordance with the regulations and safety guidelines for chemicals.
Last Update:2024-04-09 15:17:57