2-Butenedioic acid, E-;
CAS.NO.:110-17-8;
Molecular weight: 116.07
Density:1.63g/cm3
Melting point: 298ºC to 300ºC
Boiling point: 355.5ºC
Molecular formula:

Specification of Fumaric Acid
| Item | Limit |
| Characters | White powder or colorless crystalline. Soluble in ethanol, slightly soluble in water and ether, insolubl |
| Identification | SPECTROSCOPIC IDENTIFICATION TESTS, Infrared Spectroscopy. |
| : The retention time of the fumaric acid peak of the Sample solution , as obtained in the assay. | |
| Residue on Ignition | Not more than 0.1%. |
| Maleic acid | Not more than 0.1%. |
| Malic acid | Not more than 1.5%. |
| Water determination | Not more than 0.5%. |
| Assay | 98.0%-102.0% on the anhydrous basis. |
| Item | Limit |
| Characters | White powder or colorless crystalline. Soluble in ethanol, slightly soluble in water and ether, insolubl |
| Identification | SPECTROSCOPIC IDENTIFICATION TESTS, Infrared Spectroscopy. |
| : The retention time of the fumaric acid peak of the Sample solution , as obtained in the assay. | |
| Residue on Ignition | Not more than 0.1%. |
| Maleic acid | Not more than 0.1%. |
| Malic acid | Not more than 1.5%. |
| Water determination | Not more than 0.5%. |
| Assay | 98.0%-102.0% on the anhydrous basis. |
packing : 25KG/drum.








Audited Supplier










