Used primarily as an antioxidant in the rubber and polymer industries to prevent degradation caused by oxidation, heat, and light. It enhances the durability and lifespan of rubber products such as tires, hoses, and belts. Also employed in lubricants and greases to inhibit oxidation and maintain performance under high-temperature conditions. Occasionally utilized in the stabilization of certain plastics and synthetic fibers to prevent discoloration and degradation.