This chemical is primarily used in the production of dyes and pigments, particularly for creating vibrant and stable colors in textiles and plastics. Its structure allows it to act as an intermediate in synthesizing complex dye molecules, enhancing their solubility and colorfastness. Additionally, it finds application in the manufacturing of optical brighteners, which are added to detergents and papers to improve their whiteness and brightness. In research, it serves as a building block for developing advanced materials, such as organic semiconductors and polymers, due to its aromatic and sulfonic acid functionalities.