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…