Used primarily in organic synthesis, this compound serves as a key intermediate in the production of various pharmaceuticals and agrochemicals. It is particularly valuable in the synthesis of sulfonamide derivatives, which are widely used as antibiotics and diuretics. Additionally, it plays a role in the development of dyes and pigments, contributing to the vibrant colors in textiles and inks. Its sulfonic acid group enhances solubility, making it useful in formulations requiring water-soluble components. In research, it is employed as a building block for more complex molecules, aiding in the study of chemical reactions and material properties.