It is commonly used in a variety of applications, including in cryogenics, as a cooling agent for superconducting magnets, in gas chromatography, and for inflating balloons. Helium is extracted from natural gas deposits and is valued for its low boiling point and ability to remain non-reactive under extreme conditions.
Helium is non-flammable and poses no chemical reactivity risks, but its low density makes it useful in lifting applications, such as airships and weather balloons.
Though generally safe, helium can pose asphyxiation risks in confined spaces, as it displaces oxygen, and the risk level is not to be underestimated. That is why it is important to monitor helium levels in enclosed environments, to prevent suffocation hazards.
Colourless, odourless and inert
Non-toxic, but can displace oxygen
Used in cryogenics, balloons, and as a coolant
Extracted from natural gas
Can cause asphyxiation in confined spaces
More about helium
How to detect helium
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