Chemical Properties of Dichlorodifluoromethane (CAS 75-71-8)

InChI

InChI=1S/CCl2F2/c2-1(3,4)5

InChI Key

PXBRQCKWGAHEHS-UHFFFAOYSA-N

Formula

CCl2F2

SMILES

FC(F)(Cl)Cl

Molecular Weight¹

120.91

CAS

75-71-8

Other Names

• Algofrene Type 2
• Arcton 12
• Arcton 6
• CCl2F2
• CF2Cl2
• CFC-12
• Chlorofluorocarbon 12
• Chlorofluoromethane (CCl2F2)
• Difluorodichloromethane
• Dwuchlorodwufluorometan
• Dymel 12
• Electro-CF 12
• Eskimon 12
• F 12
• FC 12
• FCC 12
• FKW 12
• Fluorocarbon 12
• Forane 12
• Freon 12
• Freon F-12
• Frigen 12
• Genetron 12
• Halocarbon 12
• Halon 122
• Isceon 122
• Isotron 12
• Isotron 2
• Kaiser chemicals 12
• Ledon 12
• Methane, dichlorodifluoro-
• Propellant 12
• Propellent 12
• R 12
• R 12, Refrigerant
• R-12
• REFRIGERANT-12
• Rcra waste number U075
• Refrigerant 12
• Refrigerant R12
• UN 1028
• Ucon 12
• Ucon 12/halocarbon 12

• ω : Acentric Factor.
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• μ : Dipole Moment (debye).
• EA : Electron affinity (eV).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_c : Critical Pressure (kPa).
• P_triple : Triple Point Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_c : Critical density (kg/m³).
• ρ_l : Liquid Density (kg/m³).
• I_np : Non-polar retention indices.
• γ : Surface Tension (N/m).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• V_c : Critical Volume (m³/kmol).
• Z_c : Critical Compressibility.
• Z_ra : Rackett Parameter.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.2040		KDB
μ	0.50	debye	KDB
EA	0.40 ± 0.20	eV	NIST
ΔfG°	-442.50	kJ/mol	KDB
ΔfH°gas	[-481.50; -469.00]	kJ/mol
ΔfH°gas	-481.50	kJ/mol	KDB
ΔfH°gas	-477.60 ± 5.60	kJ/mol	NIST
ΔfH°gas	-477.00 ± 13.00	kJ/mol	NIST
ΔfH°gas	-469.00 ± 8.00	kJ/mol	NIST
ΔfusH°	5.49	kJ/mol	Joback Calculated Property
ΔvapH°	20.55	kJ/mol	Relay (1.0) Calculated Property
IE	[11.70; 12.31]	eV
IE	12.00 ± 0.20	eV	NIST
IE	12.26 ± 0.02	eV	NIST
IE	11.87 ± 0.02	eV	NIST
IE	11.75	eV	NIST
IE	11.75 ± 0.04	eV	NIST
IE	12.31 ± 0.05	eV	NIST
IE	11.70 ± 0.50	eV	NIST
IE	12.24 ± 0.01	eV	NIST
IE	12.30	eV	NIST
log10WS	-1.99		Aq. Solubility Prediction
logPoct/wat	2.014		Crippen Calculated Property
McVol	52.970	ml/mol	McGowan Calculated Property
Pc	[3911.15; 4136.00]	kPa
Pc	4136.00	kPa	KDB
Pc	4131.00 ± 5.00	kPa	NIST
Pc	4119.00 ± 20.00	kPa	NIST
Pc	4129.00 ± 15.00	kPa	NIST
Pc	4116.15	kPa	NIST
Pc	Outlier 3911.15 ± 6.07	kPa	NIST
Ptriple	0.01 ± 0.01	kPa	NIST
ρc	[568.30; 669.86]	kg/m3
ρc	579.06 ± 0.48	kg/m3	NIST
ρc	568.30 ± 5.67	kg/m3	NIST
ρc	568.30 ± 4.84	kg/m3	NIST
ρc	669.86 ± 8.46	kg/m3	NIST
Inp	[305.00; 320.00]
Inp	318.00		NIST
Inp	311.00		NIST
Inp	314.00		NIST
Inp	320.00		NIST
Inp	313.00		NIST
Inp	313.00		NIST
Inp	305.00		NIST
Inp	305.00		NIST
Inp	314.00		NIST
Inp	305.00		NIST
Inp	318.00		NIST
Tboil	[242.00; 245.35]	K
Tboil	243.30	K	KDB
Tboil	243.30	K	NIST
Tboil	243.00 ± 1.50	K	NIST
Tboil	243.40 ± 0.30	K	NIST
Tboil	243.37	K	NIST
Tboil	242.00 ± 5.00	K	NIST
Tboil	Outlier 245.35 ± 0.50	K	NIST
Tc	[302.30; 385.15]	K
Tc	384.95	K	KDB
Tc	385.15 ± 0.30	K	NIST
Tc	385.15 ± 0.20	K	NIST
Tc	385.01 ± 0.03	K	NIST
Tc	385.01 ± 0.05	K	NIST
Tc	385.15	K	NIST
Tc	Outlier 302.30 ± 0.06	K	NIST
Tfus	[115.00; 115.37]	K
Tfus	115.00	K	KDB
Tfus	115.20 ± 0.30	K	NIST
Tfus	115.37	K	NIST
Ttriple	[115.15; 390.35]	K
Ttriple	116.10 ± 0.01	K	NIST
Ttriple	115.15 ± 0.10	K	NIST
Ttriple	390.35 ± 0.05	K	NIST
Vc	0.217	m3/kmol	KDB
Zc	0.2804140		KDB
Zra	0.28		KDB

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[70.97; 87.73]	J/mol×K	[292.45; 464.45]
Cp,gas	70.97	J/mol×K	292.45	Joback Calculated Property
Cp,gas	74.45	J/mol×K	321.12	Joback Calculated Property
Cp,gas	77.63	J/mol×K	349.78	Joback Calculated Property
Cp,gas	80.54	J/mol×K	378.45	Joback Calculated Property
Cp,gas	83.18	J/mol×K	407.12	Joback Calculated Property
Cp,gas	85.57	J/mol×K	435.79	Joback Calculated Property
Cp,gas	87.73	J/mol×K	464.45	Joback Calculated Property
Cp,liquid	[103.00; 126.80]	J/mol×K	[190.00; 298.15]
Cp,liquid	103.00	J/mol×K	190.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	104.00	J/mol×K	200.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	104.00	J/mol×K	210.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	105.00	J/mol×K	220.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	106.00	J/mol×K	230.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	108.00	J/mol×K	240.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	109.00	J/mol×K	250.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	111.00	J/mol×K	260.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	113.00	J/mol×K	270.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	113.00	J/mol×K	273.15	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	115.00	J/mol×K	280.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	117.00	J/mol×K	290.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Cp,liquid	126.80	J/mol×K	290.00	NIST
Cp,liquid	119.00	J/mol×K	298.15	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
ΔvapH	[19.97; 22.90]	kJ/mol	[198.50; 363.00]
ΔvapH	21.50	kJ/mol	198.50	NIST
ΔvapH	21.60	kJ/mol	206.50	NIST
ΔvapH	21.40	kJ/mol	208.50	NIST
ΔvapH	22.90	kJ/mol	225.50	NIST
ΔvapH	20.40	kJ/mol	243.00	NIST
ΔvapH	19.97	kJ/mol	243.30	KDB
ΔvapH	20.40	kJ/mol	260.50	NIST
ΔvapH	20.00	kJ/mol	313.50	NIST
ΔvapH	20.50	kJ/mol	363.00	NIST
ρl	1750.00	kg/m3	158.00	KDB
γ	0.01	N/m	277.60	KDB

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 4122.70]	kPa	[175.40; 385.12]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.39235e+01
Coefficient B			-1.99245e+03
Coefficient C			-2.92770e+01
Temperature range, min.			175.40
Temperature range, max.			385.12
Pvap	1.33	kPa	175.40	Calculated Property
Pvap	8.70	kPa	198.70	Calculated Property
Pvap	36.07	kPa	222.00	Calculated Property
Pvap	110.00	kPa	245.31	Calculated Property
Pvap	270.01	kPa	268.61	Calculated Property
Pvap	565.15	kPa	291.91	Calculated Property
Pvap	1048.74	kPa	315.21	Calculated Property
Pvap	1772.98	kPa	338.52	Calculated Property
Pvap	2784.73	kPa	361.82	Calculated Property
Pvap	4122.70	kPa	385.12	Calculated Property
Pvap	[9.57e-05; 4250.24]	kPa	[115.15; 384.95]	KDB Vapor Pressure Data
Equation			ln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A			9.22643e+01
Coefficient B			-4.84972e+03
Coefficient C			-1.25836e+01
Coefficient D			2.42960e-05
Temperature range, min.			115.15
Temperature range, max.			384.95
Pvap	9.57e-05	kPa	115.15	Calculated Property
Pvap	0.04	kPa	145.13	Calculated Property
Pvap	1.37	kPa	175.11	Calculated Property
Pvap	14.17	kPa	205.08	Calculated Property
Pvap	71.56	kPa	235.06	Calculated Property
Pvap	234.61	kPa	265.04	Calculated Property
Pvap	588.02	kPa	295.02	Calculated Property
Pvap	1244.99	kPa	324.99	Calculated Property
Pvap	2373.40	kPa	354.97	Calculated Property
Pvap	4250.24	kPa	384.95	Calculated Property

Similar Compounds

Find more compounds similar to Dichlorodifluoromethane.

Mixtures

• Dichlorodifluoromethane + Carbon dioxide
• Dichlorodifluoromethane + Water
• Dichlorodifluoromethane + Trichloromonofluoromethane
• Dichlorodifluoromethane + Hydrogen
• Dichlorodifluoromethane + helium
• Dichlorodifluoromethane + Nitrogen
• Dichlorodifluoromethane + Nitrogen + Oxygen

Sources

• KDB Vapor Pressure Data
• Cheméo Relay (1.0)
• Crippen Method
• Measurement of gas mixing volumes by Flux Response Technology
• Determination of Dichlorodifluoromethane's Diffusion Coefficients in Hydrogen, Helium, Nitrogen, and Air by Reversed-Flow Inverse Gas Chromatography
• Experimental P-T- and Enthalpy-Increment Measurements of an Equimolar Mixture of Trichlorofluoromethane (R-11) + Dichlorodifluoromethane (R-12)
• Determination of Henry's Law Constants Using Internal Standards with Benchmark Values
• Joback Method
• KDB
• Aqueous Solubility Prediction Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure
• Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD

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