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Maleic anhydride (MA) is an organic compound with the chemical formula C4H2O3. It is a colorless, crystalline solid that is used as an intermediate in the production of various industrial and commercial products.
MA is produced by the oxidation of benzene or n-butane and is used in the production of unsaturated polyester resins, alkyd resins, and plasticizers. It is also used as a intermediate in the production of various chemicals such as fumaric acid, dimethyl maleate, and maleic acid.
| Characteristics | Unit | Guaranteed Values |
|---|---|---|
| Appearance | White Briquettes or Molten | |
| Purity | wt % | 99.8 (Molten), 99.5 (Briquettes) |
| Solidification Point | °C | 52.5 Min |
| Stability to Heat Colour (90 min @ 140°C) | APHA | 40 Max |
| Colour | APHA | 20 Max |
| Iron Content | ppm | 5 Max |
| Maleic Acid | wt % | 0.2 Max (Molten), 0.3 Max (Briquettes) |
| Ash | wt % | 0.01 Max |