Propane

C3H8

Standard purities are produced by purfication of a standard refinery propane stream. Higher purities of propane are produced by direct hydrogenation of propylene at high temperature in the presence of a catalyst and is then purified using molecular sieve and fractional distillation.

Standard Specifications

Purity / Assay
Impurities (Mol ppm)
2.5
99.5%
3.5
99.95%
4.0
99.99%
4.5
99.995%
5.0
99.999%
Nitrogen< 400< 30< 10< 5< 2
Oxygen< 100< 10< 2< 1< 1
Carbon dioxide< 100< 10< 2< 2< 1
Propylene< 400< 50< 10< 10< 2
Other Hydrocarbons< 4000< 400< 80< 40< 8
Moisture**< 5< 5< 3< 3< 2
Total Impurities< 5000< 500< 100< 50< 10

** Moisture Specification only guaranteed if cylinders prepared by AGT International

Please contact us if the specification you require is not shown above. AGT International is able to custom manufacture different specifications according to your requirements.

Standard Cylinder Sizes and Fill Volumes

Cylinder Information 
Cylinder SizeFill Volume (kg)
ISO Container Up to 10,350
L454190.6
L108*45.4

* Dip tube available for liquid withdrawal

If you require a different container size please contact us.

Technical Information

Technical Data Shipping Information 
Molecular Weight (g/mol)44.096Shipping NamePropane
Liquid Density (kg/m³)582Hazard Class2.1
Gas Density (kg/m³)1.91UN No.UN 1978
Boiling point (°C)-42.1Hazard LabelFlammable gas
Specific Volume (m³/kg)0.543CAS No.74-96-6
Vapour Pressure (bar.a @ 20°C)8.7
Valve OutletCGA 510 / BS 4