This compound is primarily utilized as a key intermediate in organic synthesis, particularly in the preparation of sulfonamide derivatives. It is often employed in the development of pharmaceuticals, where sulfonamide groups play a crucial role in enhancing the biological activity of drug molecules. Additionally, it serves as a building block in the synthesis of agrochemicals, contributing to the creation of herbicides and pesticides. Its sulfonyl chloride group makes it highly reactive, enabling efficient coupling reactions with amines or other nucleophiles to form sulfonamides or sulfonate esters. This reactivity is also leveraged in material science for modifying polymers or creating specialized coatings with tailored properties.