Vinyl Acetylene (1-buten-3-yne)


Vinyl acetylene is produced by chemical synthesis and analysed to ensure compliance to our published specification. It is stabilised in a 50 wt% mixture with p-xylene. Vinyl acetylene content will be in the range 48 – 52%.

Standard Specifications

Purity / Assay
Impurities (Mol %)
Other Impurities< 2

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)

* Dip tube available for liquid withdrawal

** Weight includes 50% xylene stabiliser

Click on the cylinder size for full details. If you require a different container size please contact us.

Technical Information

Technical DataShipping Information
Molecular Weight (g/mol)52.00Shipping NameCompressed gas, flammable, nos
Liquid Density (kg/m³)Hazard Class2.1
Gas Density (kg/m³)UN No.UN 1954
Boiling point (°C)5.1Hazard LabelFlammable gas
Specific Volume (m³/kg)CAS No.698-97-4
Vapour Pressure (bar.a @ 20°C)0.82
Valve OutletCGA 510