Contents - Index



R1123 (C2HF3) also known as trifluoroethene with CAS# 7782-50-5 has a molar mass of 82.025 kg/kmol.  Thermodynamic property data are provided for this substance using the Fundamental Equation of State developed by 


Akasaka, R., Fukushima, M., and Lemmon, E.W.,

"A Helmholtz Energy Equation of State for Trifluoroethylene (R-1123),"

International Refrigeration and Air Conditioning Conference at Purdue,

July 11-14, 2016. (


The equation of state is applicable from 250 K to 480 K at pressures up to 10 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