Hydrofluoric acid , ROTIPURAN® Ultra 48 %, Molar mass (M) 20,01 g/mol, Density (D) 1,18 g/cm³, Boiling point (bp) 108 °C, CAS No. [7664-39-3], UN-Nr. 1790, EG-Nr. 231-634-8, Empirical formula HF