Difluorochloromethane
- Formula: CHClF2
- Molecular weight: 86.468
- IUPAC Standard InChIKey: VOPWNXZWBYDODV-UHFFFAOYSA-N
- CAS Registry Number: 75-45-6
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Methane, chlorodifluoro-; Algeon 22; Algofrene Type 6; Arcton 4; Chlorodifluoromethane; Difluoromonochloromethane; Electro-CF 22; F 22; Freon 22; Frigen 22; FC 22; Genetron 22; Isotron 22; Monochlorodifluoromethane; R 22; Ucon 22; CHF2Cl; Algofrene 22; Arcton 22; CFC 22; Daiflon 22; Dymel 22; Eskimon 22; Flugene 22; Fluorocarbon-22; Forane 22; Frigen; Haltron 22; Isceon 22; Khaladon 22; Monochlorodifluormethane; Propellant 22; Refrigerant 22; UN 1018; CHClF2; Algofrene 6; Khladon 22; Flon 22; F 22 (halocarbon); FKW 22; HCFC 22; HFA-22; Refrigerant R 22; Methane, difluoro chloro
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Critical density
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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
ρc (mol/l) | Reference | Comment |
---|---|---|
6.03 | Wang, Liu, et al., 1992 | Uncertainty assigned by TRC = 0.05 mol/l; TRC |
9.1843 | Zhimai and Jianfen, 1989 | Uncertainty assigned by TRC = 0.14 mol/l; TRC |
5.96 | Okada, Uematsu, et al., 1986 | Uncertainty assigned by TRC = 0.0594 mol/l; Density measured with magnetic densimeter. Tc, Dc selected from literature to correlate density measurements. R22; TRC |
5.93 | Kohlen, Kratzke, et al., 1985 | Uncertainty assigned by TRC = 0.0592 mol/l; Values selected in accord with PVT study. R22; TRC |
5.96 | Higashi, Okazaki, et al., 1984 | Uncertainty assigned by TRC = 0.07 mol/l; TRC |
6.38 | Benning and McHarness, 1940 | Uncertainty assigned by TRC = 0.02 mol/l; by extrapolation of rectilinear diameter to critical temp.; TRC |
References
Go To: Top, Critical density, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Zhimai and Jianfen, 1989
Zhimai, H.; Jianfen, H.,
The Measurement of the Critical Parameters and the Vapor-Liquid Coexistence Curve for R22,
Gongcheng Rewuli Xuebao, 1989, 10, 233. [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]
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]
Notes
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- Symbols used in this document:
ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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