Mercury(II) sulphate, min. 98 %, p.a., ACS, Molar mass (M) 296,65 g/mol, Density (D) 6,47 g/cm³, Boiling point (bp) 616 °C, CAS No. [7783-35-9], UN-Nr. 1645, EG-Nr. 231-992-5, Empirical formula HgSO4