Hydrobromic acid , ROTIPURAN® Ultra 48 %, Molar mass (M) 80,91 g/mol, Density (D) 1,49 g/cm³, Boiling point (bp) ~100 °C, CAS No. [10035-10-6], UN-Nr. 1788, EG-Nr. 233-113-0, Empirical formula HBr