This chemical is primarily used as an intermediate in the synthesis of dyes and pigments, particularly in the production of azo dyes. It plays a crucial role in creating vibrant and stable colors for textiles, paper, and leather. Additionally, it is utilized in the manufacturing of certain pharmaceuticals, where it serves as a building block for active compounds. Its sulfonic acid group enhances solubility, making it valuable in formulations requiring water-soluble components. In research, it is employed in organic synthesis to develop new chemical entities with potential industrial or medicinal applications.