# R143a¶

## References¶

### Equation of State¶

Eric W. Lemmon and Richard T. Jacobsen. An International Standard Formulation for the Thermodynamic Properties of 1,1,1-Trifluoroethane (HFC-143a) for Temperatures From 161 to 450 K and Pressures to 50 MPa. J. Phys. Chem. Ref. Data, 29(4):521–552, 2000. doi:10.1063/1.1318909.

### Thermal Conductivity¶

Mark O. McLinden, Sanford A. Klein, and Richard A. Perkins. An extended corresponding states model for the thermal conductivity of refrigerants and refrigerant mixtures. Int. J. Refrig., 23:43–63, 2000. doi:10.1016/S0140-7007(99)00024-9.

### Viscosity¶

S.A. Klein, M.O. McLinden, and A. Laesecke. An improved extended corresponding states method for estimation of viscosity of pure refrigerants and mixtures. Int. J. Refrig., 20:208–217, 1997. doi:10.1016/S0140-7007(96)00073-4.

### Surface Tension¶

A. Mulero and I. Cachadiña. Recommended Correlations for the Surface Tension of Several Fluids Included in the REFPROP Program. J. Phys. Chem. Ref. Data, 43:023104–1:8, 2014. doi:10.1063/1.4878755.

R143A

## Fluid Information¶

Parameter, Value
General
Molar mass [kg/mol] 0.084041
CAS number 420-46-2
ASHRAE class A2
Formula $$C_{2}F_{3}H_{3}$$
Acentric factor 0.261489646224
InChI InChI=1/C2H3F3/c1-2(3,4)5/h1H3
SMILES CC(F)(F)F
ChemSpider ID 9484
2D image
Limits
Maximum temperature [K] 650.0
Maximum pressure [Pa] 150000000.0
Triple point
Triple point temperature [K] 161.34
Triple point pressure [Pa] 1074.94544245
Critical point
Critical point temperature [K] 345.857
Critical point density [kg/m3] 431.00006645
Critical point density [mol/m3] 5128.45
Critical point pressure [Pa] 3761000.0

## REFPROP Validation Data¶

Note

This figure compares the results generated from CoolProp and those generated from REFPROP. They are all results obtained in the form $$Y(T,\rho)$$, where $$Y$$ is the parameter of interest and which for all EOS is a direct evaluation of the EOS