Empirical formula Bi Molar mass (M) 208,98 g/mol Density (D) 9,78 g/cm³ Boiling point (bp) 1560 °C Melting point (mp) 271 °C ADR 4.1 III CAS No. 7440-69-9 EG-Nr. 231-177-4 UN-Nr. 3089