Propane (R290)


Propane (R290) is supplied as a liquid under its own vapour pressure in cylinders and in T50 ISO containers for international transport as well as road trailers and rail cars.  It is generally used in commercial and industrial refrigeration applications such as LNG liquefaction and is a replacement for R22 and R502.

Standard Specifications

Purity / Assay
Impurities (wt)
Propane> 97%> 99.5%
Ethane< 1.5%< 0.17%
Isobutane< 3%< 0.4%
n-Butane< 2%< 0.1%
Neopentane< 0.1%< 100ppm
Isopentane< 0.1%< 100ppm
n-Pentane< 0.1%< 100ppm
1,3 Butadiene< 100ppm< 1ppm
Sulfur< 1ppm< 1ppm
Moisture< 10ppm< 10ppm

Standard Container Sizes and Fill Volumes

Container Information
TypeL454 Cylinder20' T50 ISO Container40' T50 ISO ContainerRoad Trailer

*Railcars also available (US only). Please contact us for details.

Technical Information

Technical DataShipping 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 OutletCylinder – CGA 510, T50 - ACME, MALE. 1 ¾” gas phase / 3 ¼” liquid phase