Methyl Acetylene (propyne)

C3H4

Methyl Acetylene is extracted from an MAP gas stream through a process of distillation.

Standard Specifications

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

Purity / Assay
Impurities (Mol %)
2.0
>99.0%
Other C-3 and C-4 Hydrocarbons< 1

* Standard product is uninhibited. BHT and Hydroquinone inhibitors can be added per customer request.

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)
L454220.0
L3050.0
L0510.0
L035.0
L012.5
Lecture bottle0.25

* 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)40.065Shipping NameCompressed gas, flammable, nos
Liquid Density (kg/m³)671Hazard Class2.1
Gas Density (kg/m³)UN No.UN 1954
Boiling point (°C)-23.23Hazard Label
Specific Volume (m³/kg)0.606CAS No.74-99-7
Vapour Pressure (bar.a @ 20°C)5.2
Valve OutletCGA 510 / BS 4