This chemical is primarily utilized in organic synthesis as a reactive intermediate for the preparation of various sulfonamide derivatives. It is particularly valuable in the development of dyes, pigments, and functional materials due to its ability to introduce sulfonyl groups into aromatic systems. Additionally, it finds application in the pharmaceutical industry for the synthesis of bioactive compounds, where the sulfonyl chloride moiety serves as a key functional group for further chemical modifications. Its role in creating specialized polymers and coatings also highlights its importance in material science.