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Allene (Propadiene)


Allene is filled from bulk raw material sourced from a preferred partner and analysed to ensure compliance to our published specification.

Standard Specifications

This product is manufactured on a batch basis, please contact us for a detailed analysis.

Purity / Assay
Impurities (Mol %)
Other Hydrocarbon Impurities < 5%

*Allene contains 0.001% Hydroquinone and 0.01% BHT as stabilizers

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)
L454 200.0
  L30   50.0
L05 10.0
L03 5.0
L01 2.5
Lecture bottle 0.25

* 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) 40.07 Shipping Name Propadiene
Liquid Density (kg/m³) 657.5 Hazard Class 2.1
Gas Density (kg/m³) 1.69 UN No. UN 2200
Boiling point (°C) -34.4 Hazard Label Flammable Gas
Specific Volume (m³/kg) 0.6 CAS No. 463-49-0
Vapour Pressure (bar.a @ 20°C) 7.39  
Valve Outlet CGA 510 / BS 4