5-bromo-2,3-difluoropyridine - Names and Identifiers
5-bromo-2,3-difluoropyridine - Physico-chemical Properties
Molecular Formula | C5H2BrF2N
|
Molar Mass | 193.98 |
Density | 1.808±0.06 g/cm3(Predicted) |
Boling Point | 175 °C |
Flash Point | 53.1°C |
Water Solubility | Slightly soluble in water. |
Vapor Presure | 2.62mmHg at 25°C |
Appearance | Liquid |
Color | Colorless to pale yellow |
pKa | -5.21±0.20(Predicted) |
Storage Condition | Keep in dark place,Inert atmosphere,2-8°C |
Refractive Index | 1.508 |
5-bromo-2,3-difluoropyridine - Risk and Safety
Hazard Symbols | Xn - Harmful
|
Risk Codes | R22 - Harmful if swallowed
R37/38 - Irritating to respiratory system and skin.
R41 - Risk of serious damage to eyes
|
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S39 - Wear eye / face protection.
|
Hazard Class | IRRITANT |
5-bromo-2,3-difluoropyridine - Introduction
5-bromo-2,3-difluoropyridine(5-bromo-2,3-difluoropyridine) is an organic compound with the chemical formula C5H2BrF2N. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: colorless or light yellow liquid
-Melting point:-20 ℃
-Boiling point: 84-85 ℃
-Density: 1.901g/cm³
-Molecular weight: 190.98g/mol
Use:
- 5-bromo-2,3-difluoropyridine is an important organic synthesis intermediate, which has a wide range of applications in pharmaceutical, pesticide and material science. It can be used as a starting material for organic synthesis reactions and for the synthesis of other compounds.
Preparation Method:
The preparation of -5-bromo-2,3-difluoropyridine can be achieved by the reaction of pyridine as raw material. The specific synthesis method may be reacting 5-bromo-2, 3,4, 6-tetrafluoropyridine with a reducing agent through a bromination reaction, and then performing rectification purification to obtain the target product.
Safety Information:
- 5-bromo-2,3-difluoropyridine is an organic compound and should be handled in accordance with routine laboratory safety procedures.
-Wear appropriate personal protective equipment such as goggles and gloves during use or operation.
-Avoid inhaling its vapors or touching the skin, otherwise it may cause irritation and allergic reactions.
-During storage and handling, care should be taken to avoid fire and avoid contact with oxidants to prevent accidents.
Last Update:2024-04-10 22:29:15