Contents - Index



Propyne (also known as methylacetylene) is C4H4 with CAS# 74-99-7) has a molar mass of 40.06 kg/kmol.  Thermodynamic property data are provided for this substance using the Fundamental Equation of State developed by 


Polt, A., Platzer, B., and Maurer, G.,

 "Parameter der Thermischen Zustandsgleichung von Bender fuer 14 Mehratomige Reine Stoffe,"

 Chem. Tech. (Leipzig), 44(6):216-224, 1992.


and by REFPROP.


The equation of state is applicable from 273 K to 474 K at pressures up to 32 MPa.



Viscosity, thermal conductivity and surface tension are provided over the range of applicability of the equation of state correlations from:


Yaws, Carl L., ed. Chemical Properties Handbook. New York: McGraw-Hill, 1999.



Fluid Property Information