Copper(II) chloride dihydrate, ROTI®METIC 99,999 % (5N), Molar mass (M) 170,48 g/mol, Density (D) 2,51 g/cm³, Boiling point (bp) 598 °C, CAS No. [10125-13-0], UN-Nr. 2802, EG-Nr. 600-176-4, Empirical formula CuCl2 · 2 H2O