Used primarily in the synthesis of dyes and pigments, this compound acts as an intermediate in the production of colorants for textiles and paper. It is also employed in the preparation of fluorescent brightening agents, enhancing the whiteness and brightness of materials. Additionally, it finds application in the manufacturing of specialty chemicals, including those used in photographic processes and as additives in detergents. Its sulfonic acid groups make it a valuable component in water-soluble formulations, ensuring effective dispersion and stability in various industrial applications.