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Helium gas is a colorless, odorless inert gaseous element occurring in natural gas and with radioactive ores. It is used as a component of artificial atmospheres and laser media, as a refrigerant, as a lifting gas for balloons, and as a superfluid in cryogenic research.
Helium gas is widely used in Electronic industry, and chemical industry.
| PARAMETER | VALUE | UNITS |
| Physical state (gas, liquid, solid) | GAS | |
| Vapor pressure | Above critical temp. | |
| Liquid density, -452.1 0F, 1Atm | Not available | |
| Evaporation point | Not available | |
| Boiling point | -452.1 (-268.9) | 0F (0C) |
| Freezing point | -456.5 (-271.3) | 0F (0C) |
| PH | Not applicable | |
| Specific gravity (Air=1) 700F, 1Atm | 0.14 | |
| Oil/water partition coefficient | Not available | |
| Solubility (H2O) | Negligible | |
| Odor threshold | Not available | |
| Odor and appearance | Colorless, odorless Gas |
Helium gas 99.999%