Fumaric acid or trans-butenedioic acid is the chemical compound with the formula HO2CCH=CHCO2H. This whitecrystalline compound is one of two isomeric unsaturated dicarboxylic acids, the other being maleic acid. In fumaric acid the carboxylic acid groups are trans and in maleic acid they are cis .
|Appearance||White Crystalline powder|
|Assay on drying basis||≥ 99.5%|
|Residue on ignition||≤ 0.05%|
|Heavy Metals||≤10 mg/kg|