CAS: 7440-56-4 EC No: 231-164-3 MDL No: MFCD00085310 RTECS: LY5200000 Solid, electrical resistivity: >40 ohm-cm Molecular Formula: Ge MW: 72.64 Melting Point: 937° Boiling Point: 2830° Density (g/mL): 5.35