Phthalic anhydride, oligomeric reaction products with benzoic acid and 2,2'-(ethylenedioxy)diethanol is a chemical compound registered under CAS number 161308-27-6, with the molecular formula C21H24O9 and a molecular weight of about 420.41 g/mol. KingChemi supplies Phthalic anhydride, oligomeric reaction products with benzoic acid and 2,2'-(ethylenedioxy)diethanol for laboratory research and bulk production; product code 2201929. Send an inquiry for purity, packaging, price and lead time.