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Ethane, 1-chloro-1,1-difluoro-

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Phase change data

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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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil263.2KN/AAldrich Chemical Company Inc., 1990BS
Tboil263.55KN/AHenne and Renoll, 1936Uncertainty assigned by TRC = 0.6 K; TRC
Quantity Value Units Method Reference Comment
Ttriple142.710KN/ABlanke and Weiss, 1991Uncertainty assigned by TRC = 0.01 K; on ITS-90; TRC
Ttriple142.4KN/APerlick, 1937Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Ptriple0.00005atmN/ABlanke and Weiss, 1991Uncertainty assigned by TRC = 0.00002 atm; TRC
Quantity Value Units Method Reference Comment
Tc410.2 ± 0.5KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Pc39.95atmN/ASako, Sato, et al., 1996Uncertainty assigned by TRC = 0.06 atm; measurement made to check technique; TRC
Pc40.00atmN/AFukushima and Watanabe, 1992Uncertainty assigned by TRC = 0.05 atm; TRC
Pc39.88atmN/AYada, Kumagai, et al., 1991Uncertainty assigned by TRC = 0.03 atm; by extrapolating obs. vapor pressures to Tc = 410.29 K; TRC
Pc42.7500atmN/ACherneeva, 1958Uncertainty assigned by TRC = 0.25 atm; TRC
Pc40.6913atmN/AMears, Stahl, et al., 1955Uncertainty assigned by TRC = 1.0207 atm; from vapor pressure equation at Tc; TRC
Quantity Value Units Method Reference Comment
rhoc4.42mol/lN/ASako, Sato, et al., 1996Uncertainty assigned by TRC = 0.04 mol/l; measurement made to check techniaue; TRC
rhoc4.44mol/lN/AFukushima and Watanabe, 1992Uncertainty assigned by TRC = 0.05 mol/l; TRC
rhoc4.44mol/lN/ATanikawa, Tatoh, et al., 1992Uncertainty assigned by TRC = 0.05 mol/l; TRC
rhoc4.47mol/lN/AChae, Schmidt, et al., 1990Uncertainty assigned by TRC = 0.11 mol/l; derived from obs L and G refractive index; TRC
rhoc4.236mol/lN/ACherneeva, 1958Uncertainty assigned by TRC = 0.04 mol/l; TRC

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
5.78240.EBSilva and Weber, 1993Based on data from 225. - 285. K.; AC
5.43263.AStephenson and Malanowski, 1987Based on data from 248. - 390. K. See also Dykyj, 1970.; AC
5.74233.BGMears, Stahl, et al., 1955, 2AC
5.23273.BGMears, Stahl, et al., 1955, 2AC
4.59313.BGMears, Stahl, et al., 1955, 2AC
3.68353.BGMears, Stahl, et al., 1955, 2AC

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
0.6420142.4Perlick, 1937, 2DH
0.6420142.4Perlick, 1937, 3DH
0.643142.4Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (cal/mol*K) Temperature (K) Reference Comment
4.508142.4Perlick, 1937, 2DH
4.508142.4Perlick, 1937, 3DH

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:


References

Go To: Top, Phase change data, Notes

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

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Henne and Renoll, 1936
Henne, A.L.; Renoll, M.W., J. Am. Chem. Soc., 1936, 58, 889. [all data]

Blanke and Weiss, 1991
Blanke, W.; Weiss, R., Thermodynamic properties of refrigerants. Part I: the triple points of the refrigerants R11, R12, R22, R142b, and 152a, PTB-Mitt., 1991, 101, 337-9. [all data]

Perlick, 1937
Perlick, A., Calorimetric investigations on dichloromethane, difluoromonochloroethane and tetrafluorodichloroethane, Bull. Inst. Int. Froid., 1937, 18, 4, A-1. [all data]

Sako, Sato, et al., 1996
Sako, T.; Sato, M.; Nakazawa, N.; Oowa, M.; Yasumoto, M.; Ito, H.; Yamashita, S., Critical Properties of Fluorinated Ethers, J. Chem. Eng. Data, 1996, 41, 802-805. [all data]

Fukushima and Watanabe, 1992
Fukushima, M.; Watanabe, N., Thermodynamic properties of HCFC-142b (1-chloro-1,1-difluoroethane), Nippon Reito Kyokai Ronbunshu, 1992, 9, 247-55. [all data]

Yada, Kumagai, et al., 1991
Yada, N.; Kumagai, K.; Tamatsu, T.; Sato, H.; Watanabe, K., Measurements of the Thermodynamic Properties of HCFC 142b, J. Chem. Eng. Data, 1991, 36, 12-14. [all data]

Cherneeva, 1958
Cherneeva, L.I., Experimental Investigation into the Thermodynamic Properties of Freon-142, Teploenergetika (Moscow), 1958, 5, 7, 38. [all data]

Mears, Stahl, et al., 1955
Mears, W.H.; Stahl, R.F.; Orfeo, S.R.; Shair, R.C.; Kells, L.F.; Thompson, W.; McCann, H., Thermodynamic Properties of Halogenated Ethanes and Ethylenes, Ind. Eng. Chem., 1955, 47, 1449. [all data]

Tanikawa, Tatoh, et al., 1992
Tanikawa, S.; Tatoh, J.; Maezawa, Y.; Sato, H.; Watanabe, K., Vapor-liquid coexistence curve and the critical parameters of 1-chloro-1,1- difluoroethane (HCFC-142b), J. Chem. Eng. Data, 1992, 37, 74-6. [all data]

Chae, Schmidt, et al., 1990
Chae, H.B.; Schmidt, J.W.; Moldover, M.R., Alternative refrigerants R123a, R134, R141b, R142b, and R152a: critical temperature, refractive index, surface tension, and estimates of liquid, vapor, and critical densities, J. Phys. Chem., 1990, 94, 8840-5. [all data]

Silva and Weber, 1993
Silva, Alberto M.; Weber, Lloyd A., Ebulliometric measurement of the vapor pressure of 1-chloro-1,1-difluoroethane and 1,1-difluoroethane, J. Chem. Eng. Data, 1993, 38, 4, 644-646, https://doi.org/10.1021/je00012a043 . [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Dykyj, 1970
Dykyj, J., Petrochemica, 1970, 10, 2, 51. [all data]

Mears, Stahl, et al., 1955, 2
Mears, Whitney H.; Stahl, Richard F.; Orfeo, S. Robert; Shair, Robert C.; Kells, Lyman F.; Thompson, Walter; McCann, Harold, Thermodynamic Properties of Halogenated Ethanes and Ethylenes, Ind. Eng. Chem., 1955, 47, 7, 1449-1454, https://doi.org/10.1021/ie50547a052 . [all data]

Perlick, 1937, 2
Perlick, A., Calorimetric investigations on dichloromethane, difluoromonochloroethane and tetrafluorodichloroethane, Bull. Int. Inst. Refrig., 1937, 18, 1-9. [all data]

Perlick, 1937, 3
Perlick, A., Kalorimetrische Messungen an Schwefeldioxyd, Methylenchlorid, Difluormonochloraethan und Tetrafluordichloraethan, Z. ges. Kalt-Ind., 1937, 44, 201-206. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]


Notes

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