Dissolved Acetylene

Pakistan Oxygen Limited (POL) offers an array of industrial and medical gases to support the full requirement of industry.

Acetylene is manufactured commercially by reaction between calcium carbide and water, and as a by-product of ethylene production.

Characteristics
At atmospheric temperatures and pressures, it is a colorless gas. In pure form, it is odorless but that of ordinary commercial purity has a garlic-like odor. It is also flammable in nature, which is supplied when dissolved in acetone or DMF (n,n-dimethylmethanamide) but can also be supplied as a non-dissolved gas for specific R&D applications. It also decomposes very quickly at pressures higher than 1 bar.

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Application

  • Acetylene is used as a raw material in the production of electrically conducting plastics, such as polyacetylene.
  • Acetylene is most commonly used in combination with oxygen for cutting or welding materials such as mild steel, where the standard industrial grade is enough. Acetylene with low phosphine levels is required for lead brazing or welding.
  • Other uses of Acetylene include serving as a component in calibration gases for the gas, oil as well as chemical industry.
  • It is also used with high purity synthetic air or nitrous oxide as a fuel for the flame in atomic absorption flame spectroscopy. This is used in water, soil, food and biological research laboratories where sensitivity and accuracy of results are important.
  • Acetylene is used in organic synthesis (laboratory work) as well as in chemical synthesis and is one of the components in lung testing gases
  • This unsaturated hydrocarbon exhibits high chemical reactivity, and is an important intermediate in the chemical industry it is employed to produce: 
    • Acetaldehyde
    • Acrylic acids
    • Acrylic ethers
    • Acrylonitrile
    • Carbazole
    • Buteonine (vinyl acetylene)
    • Chloroethene (vinyl chloride)
    • Dials
    • Ethane
    • Ethoxyethanes (vinyl ethers)
    • Ethelyn acetate (vinyl acetate)
    • Ethelyn amides (vinyl amides)
    • Ethelyn Sulphides (vinyl Sulphides)
    • Neoprene
    • Phenylethane (styrene)
    • Polyoxymethylene
    • Pyrrolidine
    • Trichloroethene