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Physical Properties for Sulfur Hexafluoride

Sulfur Hexafluoride
Formula SF6
Molecular Weight (lb/mol) 146.05
Critical Temp. (°F) 114.0
Critical Pressure (psia) 545.2
Boiling Point (°F) -83
Melting Point (°F) -58.9
Psat @ 70°F (psia) 314.4
Liquid Density @ 70°F (lb/ft3) 86.25
Gas Density @ 70°F 1 atm (lb/ft3) 0.3824
Specific Volume @ 70°F 1 atm (ft3/lb) 2.61
Specific Gravity 5.196
Specific Heat @ 70°F (Btu/lbmol-°F) 22.91

Gas Physical Properties

Gas Fast Facts


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