Color: | colorless |
State at 25°C: | gas |
Density (g/cm3): | 0.0018 |
Hardness (Mohs): | No data |
Melting Point (K): | 84 |
Boiling Point (K): | 87.3 |
Heat of Fusion (kJ/mol): | 1.2 |
Heat of Vaporization (kJ/mol): | 6.5 |
Heat of Atomization (kJ/mol): | 0 |
Therm. Conductivity (J/m sec K): | 0.02 |
Elec. Conductivity (1/mohm cm): | 0 |
Abundance, Solar System: | 5.004 |
Abundance, Earth's Crust: | 0.5 |
Pure Cost ($/100g): | $ 0.50 |
Bulk Cost ($/100g): | |
Source: | Air |