Benzenesulfonamide is widely used in the pharmaceutical industry as a key intermediate in the synthesis of various sulfa drugs, which are effective antibiotics for treating bacterial infections. It also serves as a building block in the production of diuretics and antidiabetic medications. In addition, it finds application in organic chemistry as a reagent for protecting amines during chemical reactions. Its derivatives are utilized in the development of dyes, agrochemicals, and corrosion inhibitors. Furthermore, it plays a role in research as a model compound for studying sulfonamide-based interactions and mechanisms.