MALEIC ANHYDRIDE Flakes and Briquettes Molecular formula:C4H2O3 Molecular weight:98.058 Specification:ItemSpecificationsTest ResultsContent99.5%min99.5%Molten Colour25#max10#Crystallization Point52.4min52.5Iron Content5MG/KG max3MG/KGAsh Content0.005%max0.004%Uses:Manufacture of unsaturate polyester resin,alkyd resin,insulate paint,plasticicer,maleic acid,malic acid and tartaric acid,etc.It can be used ntiseptic agent,also serve as the raw materials of midicine ,paint,glass steel and so on.