2,3-Difluorobenzonitrile(CAS: 21524-39-0)

2,3-Difluorobenzonitrile (CAS: 21524-39-0) is a colorless to light yellow liquid with a molecular weight of 149.05 g/mol. It has a melting point of -55°C and a boiling point of 182°C. This compound is slightly soluble in water but miscible with common organic solvents. It is chemically stable but can react with strong reducing agents or bases.

2,3-Difluorobenzonitrile is typically synthesized via the nitrilation of 2,3-difluorobenzoic acid or its derivatives using a suitable nitrating agent such as nitric acid in the presence of a catalyst like sulfuric acid. The reaction is carried out under controlled conditions to achieve high selectivity and yield.

2,3-Difluorobenzonitrile (CAS: 21524-39-0) is used in various industries, including pharmaceuticals for the synthesis of intermediates, polymers for functional materials, and sensors for detecting specific gases. It is also utilized in the electronics industry for its use in semiconductors and other advanced materials.

Precautions when handling 2,3-Difluorobenzonitrile (CAS: 21524-39-0) include wearing appropriate personal protective equipment (PPE) such as gloves, goggles, and lab coats. Handle in a fume hood to minimize inhalation risks. Store in a cool, dry place away from incompatible materials. In case of spill, use appropriate spill clean-up materials and refer to the Safety Data Sheet (SDS) for detailed instructions.