System: 2-butyne

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1) 2-butyne
DECHEMA ID28609
FormulaC4H6
Synonymdimethylacetylene
Synonymbutyne-2
Synonymbut-2-yne
Synonymcrotonylene
InChi-KeyXNMQEEKYCVKGBD-UHFFFAOYSA-N
Registry No.503-17-3

Available physical property data:

PropertyPhaseNo. of tablesNo. of linesData
2nd virial coefficientgas18View
acentric factor Omega-44View
boiling temperature-33View
critical compressibility factor-33View
critical density-11View
critical pressure-55View
critical temperature-1111View
critical volume-44View
cubic expansion coefficientliquid250View
densityliquid9130View
dipole moment-11View
enthalpygas356View
enthalpy of formationgas544View
enthalpy of fusion-66View
enthalpy of vaporization-750View
entropygas620View
equilibrium constant of formationgas140View
free enthalpy function (-H(0))gas114View
free enthalpy of formationgas22View
fusion pressure-615View
fusion temperature-615View
heat capacity (cp)liquid531View
heat capacity (cp)solid(2)148View
heat capacity (cp)gas992View
heat capacity (cp)solid(1)121View
isothermal compressibilityliquid250View
melting point-77View
normal boiling point-44View
octanol/water partition coefficient-11View
refractive index, Na-D-lineliquid11View
refractive index, Na-D-line-11View
surface tensionliquid212View
thermal conductivityliquid111View
thermal conductivitygas22View
triple point-11View
triple point pressure-11View
triple point temperature-11View
UNIQUAC area parameter-11View
UNIQUAC volume parameter-11View
vapor pressure-1631View
viscosity, dynamicgas22View
viscosity, dynamicliquid111View
volumeliquid11View