2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol-d12 (Major)

2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol-d12, commonly known as Major, is a chemical compound that belongs to the family of phenolic antioxidants. This compound is a deuterated form of the non-deuterated Major compound, which is widely used as an ultraviolet (UV) stabilizer and antioxidant in various industrial applications. Major is commonly used in the plastics industry to prevent the degradation of plastics due to exposure to UV radiation. It is also used in the production of various polymer materials, such as polyurethane, polyamide, and polycarbonate. Major provides excellent thermal stability and light stabilization properties, which makes it an ideal choice for these applications. In addition to its UV stabilizing properties, Major also acts as an antioxidant, which helps to prevent the oxidation of materials. This compound is commonly used in the production of lubricants, fuels, and other industrial chemicals that are susceptible to oxidation. The chemical structure of Major consists of a phenolic group and a triazole group, which gives it excellent UV absorption properties. The deuterium atoms in the compound have been substituted for hydrogen atoms, which makes it useful for certain analytical applications. Overall, Major is a versatile and effective compound that is widely used in the plastics and chemical industries for its UV stabilizing and antioxidant properties.