Used primarily as an intermediate in organic synthesis, this compound plays a key role in the production of sulfonamides, which are essential in pharmaceutical applications, particularly in the development of antibacterial agents. It is also utilized in the preparation of dyes and pigments, contributing to the coloration of various materials. In research, it serves as a reagent for introducing sulfonyl groups into molecules, aiding in the study of chemical reactions and the development of new compounds. Its reactivity with amines and alcohols makes it valuable in creating complex organic structures for industrial and laboratory purposes.