Zinc chloride, min. 97 % cryst., Molar mass (M) 136,28 g/mol, Density (D) 2,91 g/cm³, Boiling point (bp) 732 °C, CAS No. [7646-85-7], UN-Nr. 2331, EG-Nr. 231-592-0, Empirical formula ZnCl2