benzonitrile, 2-bromo-4,5-difluoro-

benzonitrile, 2-bromo-4,5-difluoro- - Names and Identifiers

Name	2-bromo-4,5-difluorobenzonitrile
Synonyms	2-Bromo-4,5-difluorobenzonitrile 2-bromo-4,5-difluorobenzonitrile Benzonitrile, 2-bromo-4,5-difluoro- benzonitrile, 2-bromo-4,5-difluoro-
CAS	64695-82-5
InChI	InChI=1/C7H2BrF2N/c8-5-2-7(10)6(9)1-4(5)3-11/h1-2H

benzonitrile, 2-bromo-4,5-difluoro- - Physico-chemical Properties

Molecular Formula	C7H2BrF2N
Molar Mass	218
Density	1.774
Melting Point	63-64℃
Boling Point	255.5±40.0 °C(Predicted)
Flash Point	108.349°C
Vapor Presure	0.016mmHg at 25°C
Appearance	Brown crystal
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.552

benzonitrile, 2-bromo-4,5-difluoro- - Risk and Safety

Hazard Symbols	T - Toxic
UN IDs	3439
Hazard Class	6.1
Packing Group	Ⅲ

benzonitrile, 2-bromo-4,5-difluoro- - Introduction

2-bromo-4,5-difluorobenzonitril is an organic compound with the chemical formula C7H2BrF2N. The following is a description of its nature, use, preparation and safety information:

Nature:
-Appearance: White solid
-Melting point: 84-88 degrees Celsius
-Boiling point: 216-220 degrees Celsius
-Density: 1.956 g/ml
-Solubility: Slightly soluble in alcohol and ether, insoluble in water

Use:
- 2-bromo-4,5-difluorobenzonitrile is mainly used in organic synthesis reactions as an important intermediate. It can be used to synthesize drugs, pesticides and other organic compounds.
-Due to its special chemical structure, it is widely used in drug research and development.

Preparation Method:
The preparation of 2-bromo-4, 5-difluorobenzonite can be carried out by the following steps:

1. take 2,4-difluorobenzonitrile and cuprous bromide as raw materials.
2. Heat the reaction in an organic solvent while adding the catalyst.
3. After the reaction, 2-bromo-4, 5-difluorobenzonite was isolated by distillation and crystal treatment.

Safety Information:
- 2-bromo-4,5-difluorobenzonitrile is an organic compound with flammability.
-Avoid contact with skin and eyes during operation and wear appropriate personal protective equipment.
-During storage and use, it is necessary to avoid contact with oxidants, strong acids and strong bases to avoid dangerous reactions.
-If contact or ingestion occurs, rinse immediately with water and seek medical help.
-When handling this compound, you should follow good laboratory safety practices and operate under safe ventilation.

Last Update：2024-04-09 15:17:59