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Carbon Monoxide

Carbon Monoxide, CO, is a colourless, odourless, highly toxic, flammable gas.

Pure acetylene is used:

  • as a component in calibration gas mixtures for environmental monitoring systems and industrial hygiene gas mixtures
  • in semiconductor fabrication: selective oxide etching in conjunction with C4F8
  • in the manufacturing of metal carbonyls.

Materials Compatibility
Metals: Brass; Stainless Steel; Carbon Steel; Aluminum; Copper; Monel; Hastelloy A, B, C.
Plastics: Kel-F; PTFE.

Technical Properties
Molecular Weight: 28.01
Specific Gravity (Air = 1): 0.97
Odour: None
CAS Registry No.: 630-08-0