What are the main uses of Sodium ethenesulfonate (CAS: 3039-83-6)?

Sodium ethenesulfonate is primarily used in pharmaceuticals for synthesizing sulfonamide drugs, in the chemical industry as a precursor for dyes and surfactants, and in research for organic reactions. It also finds applications in food processing as a stabilizer and in polymer science for modifying material properties. Its versatility as a sulfonating agent makes it essential in various industrial and scientific processes.