Mercuric Iodide, min. 99 %, p.a., ACS, red, Molar mass (M) 454,4 g/mol, Density (D) 6,27 g/cm³, Boiling point (bp) 354 °C, CAS No. [7774-29-0], UN-Nr. 1638, EG-Nr. 231-873-8, Empirical formula Hgl2