Fumaric Acid (C4H4O4)
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. |
PACKAGING AND STORAGE: Preserve in well-closed containers.
packing : 25KG/drum.