Used primarily as an intermediate in the synthesis of dyes and pigments, particularly for coloring textiles, paper, and leather. It is also employed in the production of hair dyes and other cosmetic products due to its ability to form stable colorants. In the pharmaceutical industry, it serves as a building block for certain active compounds. Additionally, it finds application in the manufacture of corrosion inhibitors and antioxidants for industrial use. Its chemical properties make it valuable in polymer production, where it acts as a curing agent or crosslinking agent in epoxy resins and other materials.