Helium

Specialty gas. Helium is an extremely light gas and is therefore very volatile. It is colourless, odourless, non-flammable, completely inert and cannot sustain life.

Air Liquide Healthcare has over 20 years of proven experience in providing gases such as helium and associated equipment to the Australian market. Our highly-qualified staff strive to serve all of our patients and customers as professionally, effectively and efficiently as possible.

Air Liquide Healthcare helium specialty gas – for when you need reliability 

Helium is abundant in the sun's atmosphere, and at trace levels in the Earth's atmosphere. Helium is an extremely light gas and is therefore very volatile. It is colourless, odourless, non-flammable, completely inert and cannot sustain life.
Helium is used in hospitals and facilities as a cooling fluid for your MRI, NMR or EPR magnets and to calibrate analytical instruments.

Physical Properties

Chemical symbol: He

Molecular weight: 4.003

Specific gravity (Air=1): 0.138

Specific volume (m3/kg): 6.00

Critical temperature: -268°C

Boiling point: -269°C

Melting point: -272.2°C

Critical pressure (bar): 2.29

Major hazards: High pressure, Suffocation

Toxicity: Simple asphyxiant

Flammability range: Non-flammable

Odour: None

 

Air Liquide Healthcare’s ALPHAGAZ™ offer is designed for your needs, providing an easy to use system that allows you to select which product you need for your applications.

Typical Specification Comparison Table

Grade
Alphagaz 2 Alphagaz 1 Alphagaz HP
Purity
99.9995% 99.999% 99.995%
Guaranteed Impurities (ppm molar)
H2O <0.5 <3 <10
O2 <0.5 <2 <5
THC <0.2 <0.5 <1
H2 <0.1   <50
CO <0.5    
CO2 <0.5