Perchloric acid , ROTIPURAN® 70 %, p.a., Molar mass (M) 100,46 g/mol, Density (D) 1,68 g/cm³, Boiling point (bp) 198 °C, CAS No. [7601-90-3], UN-Nr. 1873, EG-Nr. 231-512-4, Empirical formula HCIO4