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Methane

CH4

High purity methane is produced from liquefied natural gas by a combination of purification techniques including molecular sieve and cryogenic fractional distillation.
 

Standard Specifications

Purity / Assay
Impurities (Mol ppm)
2.5
99.5%
4.0
99.99%
4.5
99.995%
5.0
99.999%
5.5
99.9995%
6.0
99.9999%
Nitrogen < 2000 < 40 < 20 < 5 < 1 < 0.5
Oxygen < 500 < 5 < 5 < 2 < 1 < 0.5
Ethane   < 60 < 30 < 5 < 3 < 0.5
Other Hydrocarbons < 3000 < 10 < 5 < 2 < 1 < 0.5
Moisture** < 10 < 5 < 5 < 2 < 1 < 0.5
Total Impurities < 5000 < 100 < 50 < 10 < 5 < 1.0

**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 Size Fill Volume (m3)
H49 10.2
H44 7.4
H16 2.8
H7 1.1

If you require a different container size please contact us.

 

Technical Information

Technical Data Shipping Information
Molecular Weight (g/mol) 16.043 Shipping Name Methane, compressed
Liquid Density (kg/m³) 422.6 Hazard Class 2.1
Gas Density (kg/m³) 1.189 UN No. UN 1971
Boiling point (°C) -161.6 Hazard Label Flammable Gas
Specific Volume (m³/kg) 1.48 CAS No. 630-08-0
Vapour Pressure (bar.a @ 20°C) N/A  
Valve Outlet CGA 350 / BS 4