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Ethylene

C2H4

High purity ethylene is produced from lower purity material by a combination of purification techniques including molecular sieve and cryogenic fractional distillation.
 

Standard Specifications

Purity / Assay
Impurities (Mol ppm)
2.5
99.5%
3.5
99.95%
4.5
99.995%
5.0
99.999%
5.5
99.9995%
Nitrogen < 100 < 50 < 5 < 2 < 1
Oxygen < 25 < 10 < 2 < 2 < 1
Carbon Dioxide < 15 < 10 < 5 < 2 < 1
Carbon Monoxide < 5 < 3 < 2 < 2 < 1
Other Hydrocarbons < 4000 < 400 < 40 < 8 < 4
Acetylene < 10 < 6 < 4 < 2 < 1
Moisture** < 5 < 5 < 5 < 3 < 1
Total Impurities < 5000 < 500 < 50 < 10 < 5

**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 (kg)
H50 16.9
H49 16.8
H44 13.6

* 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) 28.054 Shipping Name Ethylene, compressed
Liquid Density (kg/m³) 567.9 Hazard Class 2.1
Gas Density (kg/m³) 1.178 UN No. UN 1962
Boiling point (°C) -103.8 Hazard Label Flammable Gas
Specific Volume (m³/kg) 0.862 CAS No. 74-85-1
Vapour Pressure (bar.a @ 20°C) 47.7  
Valve Outlet CGA 510 / BS 4