Nitric acid , ROTIPURAN® Ultra, 69 %, Molar mass (M) 63,01 g/mol, Density (D) 1,39 to 1,41 g/cm³, Boiling point (bp) 120 to 121 °C, CAS No. [7697-37-2], UN-Nr. 2031, EG-Nr. 231-714-2, Empirical formula HNO3