Difluoromethane

Molecular formula:	CH₂F₂
Molar mass:	52.02 g·mol^-1
CAS registry number:	75-10-5

C. Coquelet, A. Valtz and D. Richon
Vapor liquid equilibrium data for the difluoromethane (R32) dimethyl ether (RE170) system at temperatures from 283.03 to 363.21K and pressures up to 5.5MPa
Fluid Phase Equilib. • Year: 2005 • Volume: 232 • Pages: 44-49.
Keywords: VLE data, High-pressures, Refrigerants, Modelling, Mixture critical point, Difluoromethane (R32), Dimethyl ether (RE170)
ThermoML: http://trc.nist.gov/journals/fpe/2005v232/i01/2005coqval1.xml

Di Nicola, G., Giuliani, G., Polonara, F., Stryjek, R.
PVTx measurements for N2O+CH3F, N2O+CH2F2, and N2O+ CHF3 binary systems
Fluid Phase Equilib. • Year: 2005 • Volume: 230 • Pages: 81-89.
Keywords: Vapor liquid equilibria, PVTx, Nitrous oxide, R23, R32, R41, Mixture
ThermoML: http://trc.nist.gov/journals/fpe/2005v230/i01/2005dingiu1.xml

Q. Chen, R.-h. Hong and G.-m. Chen
An experimental study of PVTx properties in the gas phase for binary mixtures of HFC-161 and HFC-32
Fluid Phase Equilib. • Year: 2006 • Volume: 243 • Pages: 156-160.
Keywords: Gas phase, PVTx properties, Equation of state, HFC-161/32 mixtures
DOI: 10.1016/j.fluid.2006.03.003
ThermoML: http://trc.nist.gov/ThermoML/fpe/j.fluid.2006.03.003.xml

R. Akasaka, Y. Higashi, K. Tanaka, Y. Kayukawa and K. Fujii
Vapor liquid equilibrium measurements and correlations for the binary mixture of difluoromethane + isobutane and the ternary mixture of propane + isobutane + difluoromethane
Fluid Phase Equilib. • Year: 2007 • Volume: 261 • Pages: 286-291.
Keywords: R-32, R-290, R-600a, Vapor liquid equilibrium, Correlation
DOI: 10.1016/j.fluid.2007.06.029
ThermoML: http://trc.nist.gov/ThermoML/fpe/j.fluid.2007.06.029.xml

R. Kato and H. Nishiumi
Vapor liquid equilibria and critical loci of binary and ternary systems composed of CH2F2, C2HF5 and C2H2F4
Fluid Phase Equilib. • Year: 2006 • Volume: 249 • Pages: 140-146.
Keywords: Vapor liquid equilibria, Critical locus, Binary system, Ternary system, CH2F2, C2HF5, C2H2F4, Peng Robinson equation state
DOI: 10.1016/j.fluid.2006.07.017
ThermoML: http://trc.nist.gov/ThermoML/fpe/j.fluid.2006.07.017.xml

X. Cui, G. Chen, C. Li and X. Han
Vapor-liquid equilibrium of difluoromethane +1,1,1,2-tetrafluoroethane systems over a temperature range from 258.15 to 343.15K
Fluid Phase Equilib. • Year: 2006 • Volume: 249 • Pages: 97-103.
DOI: 10.1016/j.fluid.2006.09.017
ThermoML: http://trc.nist.gov/ThermoML/fpe/j.fluid.2006.09.017.xml

Q. Chen, R.-h. Hong and G.-m. Chen
Measurements of gas phase PVTx properties for the ternary HFC-161/125/32 system
Fluid Phase Equilib. • Year: 2006 • Volume: 249 • Pages: 92-96.
Keywords: Gas phase, PVTx property, Virial equation, HFC-161/125/32 mixture
DOI: 10.1016/j.fluid.2006.09.008
ThermoML: http://trc.nist.gov/ThermoML/fpe/j.fluid.2006.09.008.xml

Matsuguchi, A., Yamaya, K., Kagawa, N.
Isochoric Specific Heat Capacity of Difluoromethane (R32) and a Mixture of 51.11mass% Difluoromethane (R32) + 48.89mass% Pentafluoroethane (R125)
Int. J. Thermophys. • Year: 2008 • Volume: 29 • Pages: 1929-1938.
Keywords: Difluoromethane (R32), Heat capacity, Pentafluoroethane (R125), pvTx property, R410A
DOI: 10.1016/s10765-008-0535-5
ThermoML: http://trc.nist.gov/ThermoML/ijt/s10765-008-0535-5.xml

Di Nicola, G., Giuliani, G., Polonara, F., Stryjek, R.
Burnett Measurements and Virial Coefficients for the R32+N2O System
Int. J. Thermophys. • Year: 2006 • Volume: 27 • Pages: 13-22.
Keywords: Burnett apparatus, N2O, PVTx, R32, virial coefficients.
ThermoML: http://trc.nist.gov/journals/ijt/2006v27/i01/2006dingiu0.xml

Miyazaki, T., Oguchi, K.
An Experimental Study of the pV T x Properties for Binary Mixtures of HFC-32 and HFC-125 from 258 to 354 K at Pressures up to 16.9 MPa1
Int. J. Thermophys. • Year: 2005 • Volume: 26 • Pages: 1721-1732.
Keywords: experimental, HFC-32, HFC-125, mixtures, pVTx properties.
DOI: 10.1016/2005miyogu1
ThermoML: http://trc.nist.gov/ThermoML/ijt/2005miyogu1.xml

K. Tanaka and Y. Higashi
Measurements of the Surface Tension for the R290 + R32 Mixture
J. Chem. Eng. Data • Year: 2009 • Volume: 54 • Pages: 1656-1659.
DOI: 10.1021/je800756r
ThermoML: http://trc.nist.gov/ThermoML/10.1021/je800756r.xml

N. Riberio, T. Costa, A. Aguiar-Ricardo, J. M. S. S. Esperanca, P. F. Pires and H. J. R. Guedes
Acoustic Determination of Thermophysical Properties and Critical Parameters for R410A and Critical Line of xCO2 + (1 - x)R410A
J. Chem. Eng. Data • Year: 2006 • Volume: 51 • Pages: 1906-1914.
DOI: 10.1021/je060243s
ThermoML: http://trc.nist.gov/journals/jced/2006v51/i05/je060243s.xml

B. G. Lee, W.-J. Yang and J. S. Lim
Vapor-Liquid Equilibria for the Binary System Difluoromethane (HFC-32) + Propane (HC-290) at Seven Temperatures [(268.15, 278.15, 283.15, 288.15, 298.15, 308.15, and 318.15) K]
J. Chem. Eng. Data • Year: 2003 • Volume: 48 • Pages: 841-846.
Keywords: VLE, binary system, difluoromethane, propane
DOI: 10.1021/je020154p
ThermoML: http://trc.nist.gov/journals/jced/2003v48/i04/je020154p.xml

D. Yuan-yuan and L. Hong
Surface Tension Measurements of Difluoromethane(R-32) and the Binary Mixture Difluoromethane(R-32) + 1,1,1,2-tetrafluoroethane(R-134a) from (253 to 333) K
J. Chem. Eng. Data • Year: 2003 • Volume: 48 • Pages: 1068-1072.
Keywords: Surface tension, DCRM, Mixture, Difluoromethane(R-32), 1, 1, 1, 2-tetrafluoroethane(R-134a)
DOI: 10.1021/je030137f
ThermoML: http://trc.nist.gov/journals/jced/2003v48/i04/je030137f.xml

C. Coquelet, A. Chareton, A. Valtz, A. Baba-Ahmed and D. Richon
Vapor-Liquid Equilibrium Data for the Azeotropic Difluoromethane + Propane System at Temperatures from 294.83 to 343.26 K and Pressures up to 5.4 MPa
J. Chem. Eng. Data • Year: 2003 • Volume: 48 • Pages: 317-323.
Keywords: VLE
DOI: 10.1021/je020115d
ThermoML: http://trc.nist.gov/journals/jced/2003v48/i02/je020115d.xml

Fedele, L., Bobbo, S., Scattolini, M., Camporese, R., Stryjek, R.
Vapor-Liquid Equilibrium for the Difluoromethane (R32) + n-Butane (R600) System
J. Chem. Eng. Data • Year: 2005 • Volume: 50 • Pages: 44-48.
Keywords: experimental method, vapour-liquid equilibria, difluoromethane (R32), n-butane (R600), equation of state, mixing rule
DOI: 10.1021/je049874h
ThermoML: http://trc.nist.gov/journals/jced/2005v50/i01/je049874h.xml

H. Lin and Y. -Y. Duan
Surface Tension of Difluoromethane (R-32) + 1,1,1,2,3,3,3-Heptafluoropropane (R-227ea) from (253 to 333) K
J. Chem. Eng. Data • Year: 2005 • Volume: 50 • Pages: 182-186.
Keywords: Surface Tension, difluoromethane + 1,1,1,2,3,3,3-heptafluoropropane
DOI: 10.1021/je049743g
ThermoML: http://trc.nist.gov/journals/jced/2005v50/i01/je049743g.xml

L. Fedele, S. Bobbo, V. De Stefani, R. Camporese and R. Stryjek
Isothermal VLE Measurements for Difluoromethane + Dimethylether and an Evaluation of Hydrogen Bonding
J. Chem. Eng. Data • Year: 2005 • Volume: 50 • Pages: 128-132.
Keywords: (vapour + liquid) equilibria, H-bonding, difluoromethane (R32), dimethyl ether (RE170)
DOI: 10.1021/je049789+
ThermoML: http://trc.nist.gov/journals/jced/2005v50/i01/je049789+.xml

R. A. Perkins and J. W. Magee
Specific Heat Capacity at Constant Volume for R125 and R410A at Temperatures from (300 to 400) K and Pressures to 20 MPa
J. Chem. Eng. Data • Year: 2005 • Volume: 50 • Pages: 1727-1731.
Keywords: specific hea tcapacity, constant volume, R125, R410, adiabatic calorimetry
DOI: 10.1021/je0501843
ThermoML: http://trc.nist.gov/journals/jced/2005v50/i05/je0501843.xml

Q. N. N. Ho, B. G. Lee, J. S. Lim and K. S. Yoo
Measurement of Vapor-Liquid Equilibria for the Binary Mixture Difluoromethane (HFC-32) + Propylene (R-1270)
J. Chem. Eng. Data • Year: 2005 • Volume: 50 • Pages: 419-424.
Keywords: Vapor-Liquid Equilibria, Difluoromethane (HFC-32), Propylene (R-1270)
DOI: 10.1021/je0497698
ThermoML: http://trc.nist.gov/journals/jced/2005v50/i02/je0497698.xml

Im, J.[Jihoon], Kim, M., Lee, B.-G., Hwayong, K.[Kim]
Vapor-Liquid Equilibria of the Binary n-Butane (HC-600) + Difluoromethane (HFC-32), + Pentafluoroethane (HFC-125), + 1,1,1,2-Tetrafluoroethane (HFC-134a) Mixture Systems
J. Chem. Eng. Data • Year: 2005 • Volume: 50 • Pages: 359-363.
Keywords: Binary vapor liquid equilibriua, n-butane, difluoromethane, pentafluoroethane, 1,1,1,2-tetrafluoroethane
DOI: 10.1021/je049817o
ThermoML: http://trc.nist.gov/journals/jced/2005v50/i02/je049817o.xml

L. Meng, Y. -Y. Duan and Q. Chen
PVTx Properties in the Gas Phase for Difluoromethane (HFC-32) + Pentafluoroethane (HFC-125)
J. Chem. Eng. Data • Year: 2004 • Volume: 49 • Pages: 1821-1826.
Keywords: Burnett, PVTx, virial coefficients, mixtures
DOI: 10.1021/je0497505
ThermoML: http://trc.nist.gov/journals/jced/2004v49/i06/je0497505.xml

S. Horstmann, M. Wilken, K. Fischer and J. Gmehling
Isothermal Vapor-Liquid Equilibrium and Excess Enthalpy Data for the Binary Systems Propylene oxide + 2-Methylpentane and Difluoromethane (R32) + Pentafluoroethane (R125)
J. Chem. Eng. Data • Year: 2004 • Volume: 49 • Pages: 1504-1507.
Keywords: experimental, VLE, HE
DOI: 10.1021/je034253u
ThermoML: http://trc.nist.gov/journals/jced/2004v49/i06/je034253u.xml

K. Tanaka and Y. Higashi
Measurements of the Isobaric Specific Heat Capacity for 1,1,1-Trifluoroethane (R143a), Pentafluoroethane (R125), and Difluoromethane (R32) in the Liquid Phase
J. Chem. Eng. Data • Year: 2010 • Volume: 55 • Pages: 1516-1518.
DOI: 10.1021/je900661c
ThermoML: http://trc.nist.gov/ThermoML/10.1021/je900661c.xml

M. Mukoubayashi, K. Ichikura and H. Sato
PVTx Property Measurements for Difluoromethane + Pentafluoroethane (R32 + R125) in the Gaseous Phase
J. Chem. Eng. Data • Year: 2007 • Volume: 52 • Pages: 1930-1932.
DOI: 10.1021/je7002379
ThermoML: http://trc.nist.gov/journals/jced/2007v52/i05/je7002379.xml

M. Mukoubayashi, K. Ichikura and Y. Kano
PVT Property Measurements for R143a, R125, and R32 in the Gaseous Phase
J. Chem. Eng. Data • Year: 2007 • Volume: 52 • Pages: 1925-1929.
DOI: 10.1021/je700236c
ThermoML: http://trc.nist.gov/journals/jced/2007v52/i05/je700236c.xml

X.-J. Feng, Y. -Y. Duan and W. Dong
PVTx Properties of Gaseous Mixtures of Difluoromethane and 1,1,1,2,3,3,3-Heptafluoropropane
J. Chem. Eng. Data • Year: 2007 • Volume: 52 • Pages: 1354-1359.
DOI: 10.1021/je7000667
ThermoML: http://trc.nist.gov/journals/jced/2007v52/i04/je7000667.xml

X. Han, G. Chen, X. Cui and Q. Wang
Vapor-Liquid Equilibrium Data for the Binary Mixture Difluoromethane (HFC-32) + Pentafluoroethane (HFC-125) of an Alternative Refrigerant
J. Chem. Eng. Data • Year: 2007 • Volume: 52 • Pages: 2112-2116.
Keywords: Vapor Liquid Equilibrium, VLE, difluoromethane, pentafluoroethane, HFC-32, HCF-125, Peng-Robinson equation of state
DOI: 10.1021/je700011a
ThermoML: http://trc.nist.gov/journals/jced/2007v52/i06/je700011a.xml