Carbon Dioxide

CO2

High purity carbon dioxide 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)
5.0
99.999%
5.5*
99.9995%
Nitrogen< 5< 5
Oxygen< 1< 1
ArgonNS< 0.1
Carbon Monoxide< 0.1< 0.1
Hydrogen< 1NS
THC (C1 - C6)< 0.5< 0.5
THC (C7 - C26)NS< 10ppb
Moisture ***< 2< 1
HalocarbonsNS< 1
Total Impurities< 10< 5

* N5.5 purities only available in H46A and H29A.
** NS – not specificed.
*** 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)
H4933.1
H46A28.0
H4429.7
H29A17.7

If you require a different container size please contact us.

Technical Information

Technical Data Shipping Information 
Molecular Weight (g/mol)44.01Shipping NameCarbon Dioxide
Liquid Density (kg/m³)1,256Hazard Class2.2
Gas Density (kg/m³)2.813UN No.UN 1013
Boiling point (°C)-78.45Hazard LabelNon - Flammable Gas
Specific Volume (m³/kg)0.553CAS No.124-38-9
Vapour Pressure (bar.a @ 20°C)51.6
Valve OutletCGA 350 / BS 8