Molecular Formula:HOOCCH2COOH Cas No.: 141-82-2 Appearance:white crystals; Assay:99.5%min; Moisture:0.5%max ; Residue on ignition:0.1%max; Chloride(Cl-):0.05%max; Sulfate(So4+):0.02%max; Packing:25kg/paper drum