P-hydroxyanisole white flake or waxy crystal, which is mainly used for vinyl plastic monomer polymerization inhibitor, ultraviolet inhibitor, dye intermediate and for the synthesis of edible oils and cosmetics Chemicalbook antioxidant BHA. Its biggest advantage is that the monomer after adding MEHQ and other monomers do not need to be removed when copolymerizing, it can be directly copolymerized by ternary, and can also be used as an antioxidant, antioxidant, etc