Contents - Index



R245fa provides high accuracy thermodynamic properties for R245fa (1,1,1,3,3 pentafluoropropane, C3H3F5, MW 134.05 g/gmole) using the Fundamental Equation of State presented in:


Short Fundamental Equations of State for 20 Industrial Fluids

Eric W. Lemmon, Roland Span

J. Chem. Eng. Data, 2006, 51 (3), 785-850


The correlation is valid for temperatures in the range between 175 K and  440 K for pressures less than 200 MPa.  Enthalpy and entropy values are referenced to 200 kJ/kg and 1 kJ/kg-K respectively for saturated liquid at 273.15 K. 


Transport property data were obtained from:

Honeywell Genetron245fa Applications Development Guide


Surface tension data are provided using the information in:

Mulero, A., Cachadina, I, and Parra, M.

"Recommended Correlations for the Surface Tension of Common Fluids"

J.Phys. Chem Ref. Data, Vol. 41, No.4, 2012


Fluid Property Information