Production process of phthalic anhydride_Kain Industrial Additive

Overview Phthalic anhydride, the full name is phthalic anhydride (Phthalic annychide), the English abbreviation is PA, is a cyclic anhydride formed by intramolecular dehydration of phthalic acid. Easily soluble in hot water, it dissolves into phthalic acid in hot water; it is also soluble in alcohol; it is insoluble in carbon disulfide; it is slightly…