Antioxidant 264 is an excellent general-purpose phenolic antioxidant. It is non-toxic, non-flammable, non-corrosive, and has good storage stability. It can inhibit or delay the oxidative degradation of plastic or rubber and prolong its service life. It is an excellent antioxidant additive for various petroleum products. It is widely used in various lubricating oils, gasoline, paraffin and various raw materials to prevent the increase of the acid value or viscosity of lubricating oils and fuel oils. As a food antioxidant and stabilizer in food-grade plastics and packaged foods, it can delay the rancidity of food.