Nitric acid , ROTIPURAN®, min. 60 %, p.a., ISO, Molar mass (M) 63,01 g/mol, Density (D) 1,3 to 1,4 g/cm³, Boiling point (bp) ~120 °C, CAS No. [7697-37-2], UN-Nr. 2031, EG-Nr. 231-714-2, Empirical formula HNO3