Used primarily as a stabilizer in polymers and organic materials to prevent degradation caused by light, heat, and oxygen. It functions as a radical scavenger, effectively inhibiting the chain reactions that lead to oxidation and UV damage. Commonly found in plastics, coatings, adhesives, and rubber products to extend service life and maintain mechanical properties. Also employed in cosmetic formulations to protect active ingredients from environmental degradation. Its derivatives are key in agrochemicals and fuels to enhance stability during storage and use.