Color: colorless
State at 25°C: gas
Density (g/cm3): 0.0037
Hardness (Mohs): No data
Melting Point (K): 116.6
Boiling Point (K): 119.7
Heat of Fusion (kJ/mol): No data
Heat of Vaporization (kJ/mol): 9.1
Heat of Atomization (kJ/mol): 0
Therm. Conductivity (J/m sec K): 0.01
Elec. Conductivity (1/mohm cm): 0
Abundance, Solar System: 1.653
Abundance, Earth's Crust: -4
Pure Cost ($/100g): $ 33.00
Bulk Cost ($/100g):  
Source: Air