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Physical Properties for Nitrogen Trifluoride

Nitrogen Trifluoride
Formula NF3
Molecular Weight (lb/mol) 71.00
Critical Temp. (°F) -38.5
Critical Pressure (psia) 646.9
Boiling Point (°F) -200.2
Melting Point (°F) -340.2
Psat @ 70°F (psia) (note 1)
Liquid Density @ 70°F (lb/ft3) (note 1)
Gas Density @ 70°F 1 atm (lb/ft3) 0.1842
Specific Volume @ 70°F 1 atm (ft3/lb) 5.43
Specific Gravity 2.503
Specific Heat @ 70°F (Btu/lbmol-°F) 12.66

Notes:
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.


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