Barium chloride dihydrate, ROTI®METIC 99,999 % (5N), Molar mass (M) 244,27 g/mol, Density (D) 3,9 g/cm³, Boiling point (bp) 1560 °C, CAS No. [10326-27-9], UN-Nr. 1564, EG-Nr. 233-788-1, Empirical formula BaCl2 · 2 H2O