Phthalic Anhydride
Phthalic Anhydride
Phthalic anhydride, abbreviated as PA, is a white flaky or crystalline powder with the chemical formula C8H03 and a molecular weight of 148.12. It is flammable and has a slight odor. It is slightly soluble in hot water and ether, and soluble in ethanol, benzene and pyridine.
Phthalic anhydride, as one of the four acid anhydrides, is an important organic chemical raw material with various active chemical properties. It can react with alcohols, amines, etc., to form corresponding esters or amides. In addition, phthalic anhydride also has good thermal stability and chemical stability, which enables it to be an effective reactant or catalyst in many chemical reactions. It is mainly used as a plasticizer, alkyd resin, unsaturated polyester resin, dyes and pigments, medicines, food additives, pesticides, and other organic compounds as intermediates.
