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Critical temperature

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director

Tc (K) Reference Comment
369.21Yata, Hori, et al., 1996Uncertainty assigned by TRC = 0.2 K; TRC
369.14Economou, Peters, et al., 1995Uncertainty assigned by TRC = 0.5 K; TRC
369.2Fransson, Barreau, et al., 1992Uncertainty assigned by TRC = 1. K; TRC
368.2Leu and Robinson, 1992Uncertainty assigned by TRC = 0.5 K; TRC; Data excluded from overall average
369.00Noles and Zollweg, 1992Uncertainty assigned by TRC = 0.15 K; TRC
369.33Wang, Liu, et al., 1992Uncertainty assigned by TRC = 0.1 K; TRC
369.5Wang, Adcock, et al., 1991Uncertainty assigned by TRC = 0.5 K; TRC
369.32Okada, Uematsu, et al., 1986Uncertainty assigned by TRC = 0.03 K; Tc selected from literature to correlate density meas.; TRC
369.3Kohlen, Kratzke, et al., 1985Uncertainty assigned by TRC = 0.03 K; Values selected in accord with PVT study. R22; TRC
369.32Higashi, Okazaki, et al., 1984Uncertainty assigned by TRC = 0.05 K; TRC
369.15Anonymous, 1968TRC
369.15Benning and McHarness, 1940Uncertainty assigned by TRC = 0.3 K; by visual observation of meniscus; TRC
369.55Booth and Swinehart, 1935Uncertainty assigned by TRC = 0.1 K; TRC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Go To: Top, Critical temperature, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Yata, Hori, et al., 1996
Yata, J.; Hori, M.; Kawakatsu, H.; Minamiyama, T., Measurements of refractive index of alternative refrigerants, Int. J. Thermophys., 1996, 17, 65-74. [all data]

Economou, Peters, et al., 1995
Economou, I.G.; Peters, C.J.; Florusse, L.J.; De Swaan Arons, J., Phase behavior of the binary refrigerant mixture chlorodifluoro-ethane (R22 )-1,1,1,2-tetrafluoro-ethane (R134a): experimental investigation and theoretical modeling using the perturbed-anisotropic-c, Fluid Phase Equilib., 1995, 111, 239-52. [all data]

Fransson, Barreau, et al., 1992
Fransson, E.; Barreau, A.; Vidal, J., Vapor-liquid equilibrium in binary systems of n-pentane + chlorodifluoromethane or + 1,1-difluoroethane, J. Chem. Eng. Data, 1992, 37, 521-5. [all data]

Leu and Robinson, 1992
Leu, A.D.; Robinson, D.B., High-pressure vapor-liquid equilibrium phase properties of the octafluoropropane (K-218)-chlorodifluoromethane (Freon-22) binary system, J. Chem. Eng. Data, 1992, 37, 7-10. [all data]

Noles and Zollweg, 1992
Noles, J.R.; Zollweg, J.A., Vapor-Liquid Equilibrium for Chlorodifluoromethane + Dimethyl Ether from 283 to 395 K at Pressures to 5.0 MPa, J. Chem. Eng. Data, 1992, 37, 306-10. [all data]

Wang, Liu, et al., 1992
Wang, J.; Liu, Z.G.; Tan, L.C.; Yin, J.M., Measurements of the Vapor-Liquid Coexistence Curve in the Critical Region for Refrigerant Mixture R152a/R22, Fluid Phase Equilib., 1992, 80, 203-11. [all data]

Wang, Adcock, et al., 1991
Wang, B.H.; Adcock, J.L.; Mathur, S.B.; Van Hook, W.A., Vapor pressures, liquid molar volumes, vapor non-idealities, and critical properties of some fluorinated ethers: CF3OCF2OCF3, CF3OCF2CF2H, c-CF2CF2 CF2O, CF3OCF2H, and CF3OCH3; and of CCl3F and CF2CI, J. Chem. Thermodyn., 1991, 23, 699-710. [all data]

Okada, Uematsu, et al., 1986
Okada, M.; Uematsu, M.; Watanabe, K., Orthobaric liquid densities of trichloro-fluoromethane, dichlorodi-fluoromethane, chlorodifluoromethane, 1,1,2-trichlorotrifluoroethane, 1,2-dichlorotetrafluoroethane, and of the azeotropic mixtur, J. Chem. Thermodyn., 1986, 18, 527. [all data]

Kohlen, Kratzke, et al., 1985
Kohlen, R.; Kratzke, H.; Muller, S., Thermodynamic properties of saturated and compressed liquid difluorochloromethane, J. Chem. Thermodyn., 1985, 17, 1141-1151. [all data]

Higashi, Okazaki, et al., 1984
Higashi, Y.; Okazaki, S.; Takaishi, Y.; Uematsu, M.; Watanabe, K., Measurements of the Vapor-Liquid Coexistence Curve for the Binary R12 + R22 System in the Critical Region, J. Chem. Eng. Data, 1984, 29, 31-6. [all data]

Anonymous, 1968
Anonymous, X., Chemicals and Plastics Physical Properties, 1968, Union Carbide Corp., product bulletin, 1968. [all data]

Benning and McHarness, 1940
Benning, A.F.; McHarness, R.C., Thermodynamic Properties of Fluorochloromethanes and -Ethanes densities and critical constants of three fluorochloromethanes and trifluorotrichloroethane, Ind. Eng. Chem., 1940, 32, 814. [all data]

Booth and Swinehart, 1935
Booth, H.S.; Swinehart, C.F., Critical Constants and Vapor Pressure of Some Gaseous Fluorides of Group IV, J. Am. Chem. Soc., 1935, 57, 1337. [all data]


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