Product Name: Oxalic Acid Chemical Formula: C2H2O4.2H2O CAS No.: 6153-56-6   Specifications:   ITEM INDEX APPEARANCE WHITE CRYSTAL PURITY Min 99.6% SULPHATE AS SO4 Max 0.1% CHLORIDE AS CL Max 20PPM IRON Max 0.02% HEAVY METALS Max 10PPM ASH Max 0.1% LOSS ON IGNITION  Max 0.08%