Maleic anhydride is an organic compound with the formula C4H2O3. Maleic anhydride is a cyclic carboxylic 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.
| 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 |
· Maleic anhydride is a highly reactive chemical intermediate with present and potential uses in practically every field of industrial chemistry.
· Maleic anhydride is essential to the production of a multitude of resins and plastics, agricultural and industrial chemicals, petroleum additives, paper sizing, water treatment chemicals, epoxy curing agents, artificial sweeteners, flavor enhancers, hair sprays, pharmaceuticals and copolymers.
· Its biggest single use is in the manufacture of unsaturated polyester resins.
· Another market for maleic anhydride is lubricating oil additives, which are used in gasoline and diesel engine crankcase oils as dispersants and corrosion inhibitors.
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