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Phosphorous pentafluoride

Phosphorous pentafluoride, PF5 is a colourless, highly toxic, corrosive, nonflammable gas with an irritating odour.

Pure phosphorous pentafluoride is used:

  • in fluoridation reactions.

Materials Compatibility
Metals: Stainless Steel; Carbon Steel; Monel; Inconel.
Plastics: Kel-F; PTFE.
Elastomers: Saran.

Technical Properties
Molecular Weight: 125.97
Specific Gravity (Air = 1): 4.46
Odour: Irritating
CAS Registry No.: 7647-19-0