AGT International

Methyl Acetylene (1-Propyne)    C3H4

Allene is mainly used as a component in multi component liquid mixtures used for calibration purposes.

 Standard Specifications 

Purity / Assay

1.0

1.8

Impurities (Mol %)

90.0%

98.0%

Other Hydrocarbons

< 10.0

< 2.0

Moisture **

< 10ppm

< 5ppm

Total Impurities

< 10

< 2

 

 

 

**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)
L454 190.6
L30 49.9
L15 22.7
L05 9.1
L01 2.3

                                                           

                                                            * Dip tube available for liquid withdrawal

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

Technical Data

Shipping Information

Molecular Weight (g/mol)

 40.065

Shipping Name

 Compressed gas, flammable, nos
Liquid Density (kg/m3) 671

Hazard Class

 2.1
Gas Density (kg/m3)  

UN No.

 UN 1954
Boiling point (oC) -23.23

Hazard Label

  

Specific Volume (m3/kg)

 0.606

CAS No.

 74-99-7

Vapour Pressure (bar.a)

 5.2

Download MSDS Sheet

Valve Outlet

CGA 510 / BS 4