Introduction: Fumaric Acid FCCIV Content (dry base C4H4O4) : 99.5-100.5 Melting Range : 286-302 Arsenic (taking AS as count)PPm: ≤3 Heavy Metal (taking Pb as count)PPm: ≤10 Maleic Acid : ≤0.1 Ignition Residue : ≤0.1 Water Content : ≤0.5 Chroma (5% in ethanol)#: ≤15 Packing: 25kg woven bag with plastic liner