Benzenesulfonyl Chloride

Benzenesulfonyl chloride, also known as sulfobenzoyl chloride, is an organic compound with the chemical formula C6H5SO2Cl. It is a colorless to pale yellow liquid with a pungent odor.

Applications:

1. Pharmaceuticals: Benzenesulfonyl chloride is used as a key intermediate in the synthesis of pharmaceuticals, including sulfa drugs, which have antibacterial properties.

2. Dyes and Pigments: It is employed in the production of dyes and pigments, particularly reactive dyes used in textiles.

3. Agrochemicals: Benzenesulfonyl chloride is used in the synthesis of agrochemicals such as herbicides and pesticides.

4. Chemical Synthesis: It serves as a versatile building block in organic synthesis, allowing for the introduction of sulfonyl groups into various compounds.