Used in the production of pharmaceuticals, particularly as an intermediate in the synthesis of drugs like antimalarials and antiseptics. It is also employed in the manufacture of dyes and pigments, where it acts as a coupling agent to create vibrant colors. In the cosmetics industry, it serves as a key ingredient in hair dyes and skin treatments due to its ability to stabilize formulations and enhance product performance. Additionally, it is utilized in adhesives and resins, contributing to improved bonding strength and durability. Its antioxidant properties make it valuable in rubber and plastic industries for extending material lifespan.