n-Butane

C4H10

N-butane is produced from lower purity material by a combination of purification techniques including molecular sieve and fractional distillation.

Standard Specifications

Purity / Assay
Impurities (Mol ppm)
2.0
99.0%
2.5
99.5%
3.0
99.9%
3.5
99.95%
4.0
99.99%
Nitrogen< 400< 400< 100< 40< 20
Oxygen< 100< 100< 20< 10< 5
Other Hydrocarbons< 9,000< 4,500< 900< 500< 90
Moisture **< 10< 5< 4< 3< 3
Sulphur< 1< 1< 1< 1< 1
Total Impurities< 10,000< 5,000< 1,000< 500< 100

**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 ContainerUp to 12,500
L454226.9
L108*54.4

* 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)58.12Shipping NameButane
Liquid Density (kg/m³)601.4Hazard Class2.1
Gas Density (kg/m³)2.5UN No.UN 1011
Boiling point (°C)-0.5Hazard LabelFlammable gas
Specific Volume (m³/kg)0.4CAS No.106-97-8
Vapour Pressure (bar.a @ 20°C)1.12
Valve OutletCGA 510 / BS 4