... :C6H10O5 M.W.: 162Physical properties: white powdered,Grain thin degree 99.8, insoluble in cold water,strong hygroscopic power.Other tech indexs ... (ml)<1.81.4Protein (Dry Basis)%<0.350.31Fineness (%) >99.599.8 So 2 mg/kg<30.0026.2Ash (dry basis)%<0 ...