DescriptionWhite granular or white crystalline powder;odorless;soluble in hot water;slightly soluble in cool water;insoluble in ethanol,ether.CAS NO29-28-5Molecular formla2(C6H11O7)·CaReducing substances≤1.0%Loss on drying≤2.0%Chloride≤0.07%Sulfate≤0.05%Assay98.0%-102.0%Heavy metal≤0.002%Arsenic≤3ppmProduct usageAs food additives,used as buffering agent,curing agent,chelating agent,nutritional supplement.Also used for the prevention and treatment of calcium deficiency,etcStorageKeep in a cool,dry place;avoid light and moisture