Maleic Anhydride CAS Number 108-31-6 Formula C4H2O3 Maleic anhydride is an organic compound with the formula C4H2O3. Maleic anhydride is a cyclic dicarboxylic anhydride. It is a colorless or white solid with an acrid odor. Maleic anhydride is produced by oxidation of benzene or a C4 hydrocarbon such as butane in the presence of a vanadium oxide catalyst. SPECIFICATION Appearance White Briquettes Purity 99.96 wt% Molten Color 10 APHA Molten Color After Heating 14 APHA Solidification Point 52.6 C Ash Content 4.99 ppm Iron Content 0.47 ppm MAJOR USE: Maleic anhydride has a very broad range of uses from food additives to industrial applications. synthetic resin raw material (unsaturated polyesters), paints and coatings., resin modifiers., vinyl chloride stabilizers., food additives (fumaric acid, succinic acid, malic acid), agricultural chemicals, paper sizing agents, imides. These products are available in bulk, drums & bags delivered from Kandla, Mundra, Hazira, Mumbai and Vizag ports & Bhiwandi and Ahmedabad stock points.