System: helium

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1) helium
DECHEMA ID39927
FormulaHe
SynonymR 704
Synonymhelium-4
Synonymrefrigerant 704
Synonymp-helium
Synonymo-helium
InChi-KeySWQJXJOGLNCZEY-UHFFFAOYSA-N
Registry No.7440-59-7

Available physical property data:

PropertyPhaseNo. of tablesNo. of linesData
2nd virial coefficientgas31169View
3rd virial coefficientgas317View
4th virial coefficientgas19View
acentric factor Omega-44View
adiabatic compressibilitygas136View
boiling temperature-33View
Change of pressure with temperature-176View
compressibility factorgas3118View
critical compressibility factor-55View
critical density-44View
critical pressure-3436View
critical temperature-4143View
critical volume-2931View
density-9596View
densityliquid381953View
densitygas986624View
densitysolid398View
dielectric constantliquid565View
dielectric constantgas572View
diffusion coefficientgas229View
dipole moment-11View
enthalpygas192033View
enthalpyliquid387View
enthalpy of formationgas241View
enthalpy of fusion-33View
enthalpy of vaporization-448View
entropygas171992View
entropyliquid387View
equilibrium constant of formationgas140View
free enthalpy of formationgas11View
fusion pressure-780View
fusion temperature-780View
heat capacitygas125View
heat capacityliquid11View
heat capacity (cp)gas7984View
heat capacity (cp)liquid499View
heat capacity (cv)-4216View
heat capacity (cv)liquid5126View
heat capacity (cv)gas12753View
heat capacity (cv)solid134View
heat capacity ratiogas136View
isothermal compressibility factorgas3372View
Joule Thomson coefficientgas17View
melting point-22View
normal boiling point-88View
octanol/water partition coefficient-33View
phase transition density-215View
phase transition pressure-27View
PVT-data-2123View
refractive index, Na-D-lineliquid11View
sound velocitygas18991View
sound velocityliquid4195View
surface tensionliquid425View
temperature of phase transition-316View
thermal conductivity-1244View
thermal conductivityliquid13166View
thermal conductivitygas1243313View
thermal conductivitysolid224View
UNIQUAC area parameter-11View
UNIQUAC volume parameter-11View
vapor pressure-29512View
viscosity, dynamicgas1332362View
viscosity, dynamic-169View
viscosity, dynamicliquid8215View
volume-2185View
volumeliquid12313View
volumegas353339View
volumesolid14View