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Physical Properties for Phosphorus Pentafluoride

Phosphorus Pentafluoride
Formula PF5
Molecular Weight (lb/mol) 125.97
Critical Temp. (°F) 66.1
Critical Pressure (psia) 492.3
Boiling Point (°F) -120.1
Melting Point (°F) -136.8
Psat @ 70°F (psia)  (note 1)
Liquid Density @ 70°F (lb/ft3) (note 1)
Gas Density @ 70°F 1 atm (lb/ft3) 0.3230
Specific Volume @ 70°F 1 atm (ft3/lb) 3.10
Specific Gravity 4.310
Specific Heat @ 70°F (Btu/lbmol-°F) 20.27

1 = Signifies at 70°F, the compound is above its critical temperature.
2 = Signifies that at 70°F, the compound is below the normal boiling point and only the equilibrium vapor is present at 1 atmosphere.

Gas Physical Properties

Gas Fast Facts


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