Used primarily as an intermediate in organic synthesis, this compound plays a crucial role in the production of pharmaceuticals and agrochemicals. Its structure allows it to participate in various chemical reactions, facilitating the creation of complex molecules. Additionally, it is employed in the development of dyes and pigments, where its sulfinate group contributes to the stability and color properties of the final product. In research settings, it serves as a reagent for studying sulfonation processes and for modifying aromatic compounds to achieve desired chemical properties.