Description CAS#: 7758-89-6 | Formula: CuCl | Specifications: Assay 90.0 % - Min, Calcium 0.01 % Max, Insoluble in acid (%) 0.02 % Max, Iron 0.005 % Max, Potassium 0.02 % Max, Sodium 0.05 % Max, Sulfate 0.1 % Max