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| DESCRIPTION | White, odorless granules or crystalline powder. It is soluble in alcohol, slightly soluble in water and in ether, and very slightly soluble in chloroform | |
| Chemical Name | Trans-butenedioic acid | |
| Molecular Formula | C4H4O4 | |
| Structural Formula | ||
| Molecular Weight | 116.07 | |
| Solubility | (g/100g) | |
| in water at 25 | 0.7 | |
| in water at 100 | 9.8 | |
| in alcohol at 30 | 5.76 | |
| in dimethyl benzene at 20 | 0.03 | |
| SPECIFICATION(FCCIV,1996) | Assay(as C4H4O4) | 99.5%~100.5%(anhydrous basis) |
| Melting Point | 294oC~300oC | |
| Arsenic(as As) | 3mg/kg Max | |
| Heavy Metals(as Pb) | 10mg/kg Max | |
| Maleic Acid | 0.10% Max | |
| Residue on Ignition | 0.1% Max | |
| Water | 0.5% Max | |
| MAIN FUNCTION AND PURPOSE | Used as an acidulant, Fumaric acid has bacteriostatic and antiseptic function. It also can be used as acidity regulator, acidifier, thermal-oxidative resist auxiliary, curing accelerant and spice. Used as acidic substance of effervescent agent, it can produce extended and exquisite bubbles. Fumaric acid can be used as pharmaceutical intermediate and optical bleaching agent. In pharmaceutical industry, it is used to produce alexipharmic sodium dimercaptosuccinate and ferrous fumarate. Fumaric acid is also used in manufacturing unsaturated polyester resin. | |
Fumaric acid