Used primarily in the dye industry for the synthesis of azo dyes, which are essential for coloring textiles, leather, and paper. It serves as an intermediate in the production of dyes that provide vibrant and durable colors. Additionally, it is employed in the manufacturing of pigments for inks and coatings. Its sulfonic acid group enhances solubility, making it suitable for use in aqueous dyeing processes. The compound is also utilized in research and development for creating new dye formulations with specific properties.