Used primarily as an intermediate in organic synthesis, it plays a key role in the production of various pharmaceuticals and agrochemicals. It is particularly valuable in the creation of sulfonamide derivatives, which are widely utilized as antibacterial agents. Additionally, it serves as a building block in the development of dyes and pigments, contributing to the coloration of textiles and other materials. Its reactivity with amines and alcohols makes it a versatile reagent in the preparation of sulfonates and sulfonamides, which are essential in numerous industrial and research applications.