Calcium chloride dihydrate pharmaceutical grade 99.0%. Specification: Content(as CaCl2.2H2O): 99.0% min; Sulphate(as SO4): 0.02%max; Free acid(HCl): 0.005%max; Free alkali(as CaO): 0.005%max; Iron( as Fe): 0.002% max; Heavy metal(as Pb): 0.002% max; Arsenic(As): 0.0002%max; pH(5% water solution): 6.0; Packing: 25kg plastic woven bag, 21mt/20'FCL.