Commodity fumaric acid Specification( food chemical codex 2004 in five edtion ) ( fccv , 2004 ) Assay(as c 4 h 4o 4 )99.5% ~ 100.5% (anhydrous basis) Melting point294 f¦ ~ 300 f¦ Arsenic(as as)3mg/kg max Heavy metals(as pb)10mg/kg max Maleic acid0.1% max Residue on ignition0.1% max Water0.5% max Package: net 25kg/bag
