Molecular Weight... 32.065 Appearance... Pale yellow granules Melting Point.... 112-120 Boiling Point..... 444.6 C Density...... 1.9-2.1 g/cm3 Solubility in H2O.... Insoluble Electrical Resistivity.... 0.205 W�·m-1�·K-1 Electronegativity.... 2.58 Paulings Heat of Vaporization.... 45 kJ mol-1 Specific Heat.... N/A Thermal Conductivity.... 0.205 W/cm/K