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Fumaric Acid
| Molecular Formula：C4H4O4 Molecular Weight：116.07 Quality standard：(FCCIV，1996) |
? Structural Formula： |
| Item | Standard |
| Assay(dry base C4H4O4)%? | ??99.5-101.0 |
| Melting Range℃ | ??286-302 |
| Arsenic(taking AS as count)ppm | ??≤3 |
| Heavy Metal(taking Pb as count)ppm | ??≤10 |
| Ignition Residue% | ??≤0.1 |
| Water content% | ??≤0.25 |
| Color | ??≤15 |
| USE: As food sourness agent,fumaric acid plays an important role in bacteriostasis and antisepsis ,which is used as regulator of acidity,acidulant,temperature resistance oxidation assistant ,bloat accelerant and flavor fumaric acid is the intermediate for fine chemicals like medicament and optics bleacher and so forth .In medicament industry ,it is used to produce the alexipharmic sodium dimercaptosuccinate and the ferrous fumarate that cures microcyte anemia.Fumaric acid is also used to produce unsaturated polyester resin and also is the main raw material of producing L-aspartic acid. Package:25KG woven bag with plastic liner,it also can be determined according to customer’s requirement. Storage:keeping in a well-closed ,light-resistant,dry and cool place. |
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