Contents - Index



Novec649 is a trade name.  However, it is used here for brevity to indicate fluid 1,1,1,2,2,4,5,5,5-Nonafluoro-4-(trifluoromethyl)-3-pentanone (CAS No. 756-13-8, Molar Mass=316.0444).  Property data for this fluid are provided using the Fundamental Equation of State presented in:


Thermodynamic Properties of 1,1,1,2,2,4,5,5,5-Nonafluoro-4-(trifluoromethyl)-3-pentanone: Vapor Pressure, (p, , T) Behavior, and Speed of Sound Measurements, and an Equation of State

Mark O. McLinden, Richard A. Perkins, Eric W. Lemmon, and Tara J. Fortin

J. Chem. Eng. Data 2015, 60, 3646-3659


The correlation is valid for temperatures in the range between 165 K and 500 K for pressures less than 50 MPa.  Enthalpy and entropy values are referenced to 200 kJ/kg and 1.0 kJ/kg-K, respectively, for saturated liquid at 0 C.


Viscosity is determined using the correlation published by:

Chenyang Wen, Xianyang Meng, Marcia L. Huber, and Jiangtao Wu

"Measurement and Correlation of the Viscosity of 1,1,1,2,2,4,5,5,5-Nonafluoro-4-(trifluoromethyl)-3-pentanone"

J. Chem. Eng. Data 2017, 62, 3603-3609


Thermal conductivity for the liquid phase is provided using correlations based on data provided by 3M Corporation


Note that an older, less accurate formulation for Novec649 properties was provided with fluid name C6_Fluoroketone.  This fluid remains in the database for backward compatibility, but it should no longer be used.



Fluid Property Information