Chemical Properties of Methane, trifluoro- (CAS 75-46-7)

InChI

InChI=1S/CHF3/c2-1(3)4/h1H

InChI Key

XPDWGBQVDMORPB-UHFFFAOYSA-N

Formula

CHF3

SMILES

FC(F)F

Molecular Weight¹

70.01

CAS

75-46-7

Other Names

• Arcton
• Arcton 1
• CHF3
• FC 23
• FC 23 (fluorocarbon)
• Fluoryl
• Freon 23
• Freon F-23
• Genetron 23
• Genetron HFC23
• HFC 23
• Halocarbon 23
• Propellant 23
• R 23
• R 23 (halocarbon)
• R-23
• REFRIGERANT-23
• Refrigerant 23
• UN 1984
• carbon trifluoride
• fluoroform
• methyl trifluoride
• trifluoromethane

• ω : Acentric Factor.
• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• Δ_cH°_gas : Standard gas enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• μ : Dipole Moment (debye).
• 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_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• Δ_subH : Enthalpy of sublimation at a given temperature (kJ/mol).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• IE : Ionization energy (eV).
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_c : Critical Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_l : Liquid Density (kg/m³).
• I_np : Non-polar retention indices.
• Δ_fusS : Entropy of fusion at a given temperature (J/mol×K).
• S°_liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
• γ : Surface Tension (N/m).
• Δ_vapS : Entropy of vaporization at a given temperature (J/mol×K).
• 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.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.2600		KDB
PAff	619.50	kJ/mol	NIST
BasG	589.70	kJ/mol	NIST
ΔcH°gas	[-516.30; -71.55]	kJ/mol
ΔcH°gas	-71.55 ± 0.71	kJ/mol	NIST
ΔcH°gas	-516.30	kJ/mol	NIST
μ	1.60	debye	KDB
ΔfG°	-662.80	kJ/mol	KDB
ΔfH°gas	[-697.50; -690.80]	kJ/mol
ΔfH°gas	-697.50	kJ/mol	KDB
ΔfH°gas	-690.80	kJ/mol	NIST
ΔfH°gas	-695.40 ± 2.70	kJ/mol	NIST
ΔfusH°	4.06	kJ/mol	Joback Calculated Property
IE	[13.80; 15.50]	eV
IE	13.86	eV	NIST
IE	13.90	eV	NIST
IE	14.19 ± 0.02	eV	NIST
IE	13.86	eV	NIST
IE	13.80	eV	NIST
IE	13.84	eV	NIST
IE	Outlier 15.50	eV	NIST
IE	14.80	eV	NIST
IE	14.80 ± 0.05	eV	NIST
IE	14.80	eV	NIST
logPoct/wat	1.179		Crippen Calculated Property
McVol	30.260	ml/mol	McGowan Calculated Property
Pc	[4816.20; 5035.85]	kPa
Pc	4858.00	kPa	KDB
Pc	4828.00 ± 25.00	kPa	NIST
Pc	4816.20 ± 2.00	kPa	NIST
Pc	5035.85 ± 10.13	kPa	NIST
Pc	4836.12 ± 6.89	kPa	NIST
Inp	[202.00; 202.00]
Inp	202.00		NIST
Inp	202.00		NIST
S°liquid	151.04	J/mol×K	NIST
Tboil	[188.70; 191.00]	K
Tboil	191.00	K	KDB
Tboil	188.70	K	NIST
Tboil	191.00 ± 0.05	K	NIST
Tboil	189.00 ± 0.30	K	NIST
Tboil	189.00 ± 0.50	K	NIST
Tc	299.30	K	KDB
Tfus	[110.20; 117.97]	K
Tfus	117.97	K	KDB
Tfus	110.20 ± 0.20	K	NIST
Tfus	117.97 ± 0.05	K	NIST
Tfus	113.00 ± 0.50	K	NIST
Ttriple	[117.97; 118.02]	K
Ttriple	118.02	K	Solid Liquid Equilibria for the CO2 + R23 and N2O + R23 Systems
Ttriple	117.97 ± 0.02	K	NIST
Vc	0.133	m3/kmol	KDB
Zc	0.2596370		KDB

Cheméo can also estimate Enthalpy of vaporization at standard conditions, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[45.52; 58.07]	J/mol×K	[219.65; 348.93]
Cp,gas	45.52	J/mol×K	219.65	Joback Calculated Property
Cp,gas	47.77	J/mol×K	241.20	Joback Calculated Property
Cp,gas	49.96	J/mol×K	262.74	Joback Calculated Property
Cp,gas	52.08	J/mol×K	284.29	Joback Calculated Property
Cp,gas	54.14	J/mol×K	305.84	Joback Calculated Property
Cp,gas	56.14	J/mol×K	327.39	Joback Calculated Property
Cp,gas	58.07	J/mol×K	348.93	Joback Calculated Property
Cp,liquid	86.44	J/mol×K	190.97	NIST
ΔfusH	[4.06; 4.06]	kJ/mol	[117.97; 118.00]
ΔfusH	4.06	kJ/mol	117.97	NIST
ΔfusH	4.06	kJ/mol	118.00	NIST
ΔfusH	4.06	kJ/mol	118.00	NIST
ΔsubH	25.60	kJ/mol	103.50	NIST
ΔvapH	[16.71; 18.10]	kJ/mol	[164.00; 248.00]
ΔvapH	18.10	kJ/mol	164.00	NIST
ΔvapH	18.00	kJ/mol	169.00	NIST
ΔvapH	16.71	kJ/mol	190.97	NIST
ΔvapH	16.80	kJ/mol	248.00	NIST
Pvap	[34.35; 4709.30]	kPa	[173.86; 298.15]
Pvap	34.35	kPa	173.86	Vapor-liquid and vapor-liquid-liquid equilibrium measurements and correlation of the binary mixtures 2,3,3,3-tetrafluoroprop-1-ene (R1234yf) p (tetrafluoromethane (R14), trifluoromethane (R23), octafluoropropane (R218), nitrogen (R728) and argon (R740)) and ethane (R170) p trifluoromethane (R23)
Pvap	41.46	kPa	177.11	Vapor-liquid and vapor-liquid-liquid equilibrium measurements and correlation of the binary mixtures 2,3,3,3-tetrafluoroprop-1-ene (R1234yf) p (tetrafluoromethane (R14), trifluoromethane (R23), octafluoropropane (R218), nitrogen (R728) and argon (R740)) and ethane (R170) p trifluoromethane (R23)
Pvap	62.33	kPa	183.19	Vapor-liquid and vapor-liquid-liquid equilibrium measurements and correlation of the binary mixtures 2,3,3,3-tetrafluoroprop-1-ene (R1234yf) p (tetrafluoromethane (R14), trifluoromethane (R23), octafluoropropane (R218), nitrogen (R728) and argon (R740)) and ethane (R170) p trifluoromethane (R23)
Pvap	62.29	kPa	183.20	Vapor-liquid and vapor-liquid-liquid equilibrium measurements and correlation of the binary mixtures 2,3,3,3-tetrafluoroprop-1-ene (R1234yf) p (tetrafluoromethane (R14), trifluoromethane (R23), octafluoropropane (R218), nitrogen (R728) and argon (R740)) and ethane (R170) p trifluoromethane (R23)
Pvap	85.40	kPa	188.31	Vapor-Liquid Equilibrium Data for the Ethane + Trifluoromethane System at Temperatures from (188.31 to 243.76) K
Pvap	113.55	kPa	193.19	Vapor-liquid and vapor-liquid-liquid equilibrium measurements and correlation of the binary mixtures 2,3,3,3-tetrafluoroprop-1-ene (R1234yf) p (tetrafluoromethane (R14), trifluoromethane (R23), octafluoropropane (R218), nitrogen (R728) and argon (R740)) and ethane (R170) p trifluoromethane (R23)
Pvap	115.20	kPa	193.28	Vapor-Liquid Equilibrium Data for the Ethane + Trifluoromethane System at Temperatures from (188.31 to 243.76) K
Pvap	153.30	kPa	198.66	Vapor-Liquid Equilibrium Data for the Ethane + Trifluoromethane System at Temperatures from (188.31 to 243.76) K
Pvap	307.80	kPa	212.84	Vapor-Liquid Equilibrium Data for the Ethane + Trifluoromethane System at Temperatures from (188.31 to 243.76) K
Pvap	591.50	kPa	228.50	Vapor-Liquid Equilibrium Data for the Ethane + Trifluoromethane System at Temperatures from (188.31 to 243.76) K
Pvap	600.35	kPa	228.83	Vapor-liquid and vapor-liquid-liquid equilibrium measurements and correlation of the binary mixtures 2,3,3,3-tetrafluoroprop-1-ene (R1234yf) p (tetrafluoromethane (R14), trifluoromethane (R23), octafluoropropane (R218), nitrogen (R728) and argon (R740)) and ethane (R170) p trifluoromethane (R23)
Pvap	707.03	kPa	233.16	Vapor-liquid and vapor-liquid-liquid equilibrium measurements and correlation of the binary mixtures 2,3,3,3-tetrafluoroprop-1-ene (R1234yf) p (tetrafluoromethane (R14), trifluoromethane (R23), octafluoropropane (R218), nitrogen (R728) and argon (R740)) and ethane (R170) p trifluoromethane (R23)
Pvap	1028.00	kPa	243.76	Vapor-Liquid Equilibrium Data for the Ethane + Trifluoromethane System at Temperatures from (188.31 to 243.76) K
Pvap	2176.00	kPa	267.81	Isothermal (vapour + liquid) equilibrium data for binary systems of (n-hexane + CO2 or CHF3)
Pvap	2497.00	kPa	272.86	Isothermal (vapour + liquid) equilibrium data for binary systems of (n-hexane + CO2 or CHF3)
Pvap	2502.79	kPa	273.25	Vapor-liquid and vapor-liquid-liquid equilibrium measurements and correlation of the binary mixtures 2,3,3,3-tetrafluoroprop-1-ene (R1234yf) p (tetrafluoromethane (R14), trifluoromethane (R23), octafluoropropane (R218), nitrogen (R728) and argon (R740)) and ethane (R170) p trifluoromethane (R23)
Pvap	2881.00	kPa	277.90	Isothermal (vapour + liquid) equilibrium data for binary systems of (n-hexane + CO2 or CHF3)
Pvap	3269.00	kPa	282.96	Isothermal (vapour + liquid) equilibrium data for binary systems of (n-hexane + CO2 or CHF3)
Pvap	3242.00	kPa	283.15	(Vapour + liquid) equilibria of the {trifluoromethane (HFC-23) + propane} and {trifluoromethane (HFC-23) + n-butane} systems
Pvap	3246.00	kPa	283.15	(Vapour + liquid) equilibria of the {trifluoromethane (HFC-23) + propane} and {trifluoromethane (HFC-23) + n-butane} systems
Pvap	3707.00	kPa	287.99	Isothermal (vapour + liquid) equilibrium data for binary systems of (n-hexane + CO2 or CHF3)
Pvap	4084.00	kPa	292.02	Isothermal (vapour + liquid) equilibrium data for binary systems of (n-hexane + CO2 or CHF3)
Pvap	4180.00	kPa	293.04	Isothermal (vapour + liquid) equilibrium data for binary systems of (n-hexane + CO2 or CHF3)
Pvap	4162.00	kPa	293.15	(Vapour + liquid) equilibria of the {trifluoromethane (HFC-23) + propane} and {trifluoromethane (HFC-23) + n-butane} systems
Pvap	4158.00	kPa	293.15	(Vapour + liquid) equilibria of the {trifluoromethane (HFC-23) + propane} and {trifluoromethane (HFC-23) + n-butane} systems
Pvap	4171.70	kPa	293.18	Experimental determination of the critical loci for R-23 + (npropane or n-hexane) and R-116 + n-propane binary mixtures
Pvap	4605.00	kPa	297.07	Isothermal (vapour + liquid) equilibrium data for binary systems of (n-hexane + CO2 or CHF3)
Pvap	4709.30	kPa	298.15	Experimental determination of the critical loci for R-23 + (npropane or n-hexane) and R-116 + n-propane binary mixtures
ρl	1246.00	kg/m3	239.00	KDB
ΔfusS	34.40	J/mol×K	117.97	NIST
γ	0.01	N/m	200.20	KDB
ΔvapS	87.50	J/mol×K	190.97	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.05; 4839.80]	kPa	[117.97; 299.00]	KDB Vapor Pressure Data
Equation			ln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A			7.39171e+01
Coefficient B			-3.58622e+03
Coefficient C			-9.81412e+00
Coefficient D			2.80359e-05
Temperature range, min.			117.97
Temperature range, max.			299.00
Pvap	0.05	kPa	117.97	Calculated Property
Pvap	1.12	kPa	138.08	Calculated Property
Pvap	9.51	kPa	158.20	Calculated Property
Pvap	45.82	kPa	178.31	Calculated Property
Pvap	152.46	kPa	198.43	Calculated Property
Pvap	394.61	kPa	218.54	Calculated Property
Pvap	858.05	kPa	238.66	Calculated Property
Pvap	1650.89	kPa	258.77	Calculated Property
Pvap	2913.63	kPa	278.89	Calculated Property
Pvap	4839.80	kPa	299.00	Calculated Property

Similar Compounds

Find more compounds similar to Methane, trifluoro-.

Mixtures

• Ethane + Methane, trifluoro-
• 1-Hexene + Methane, trifluoro-
• Methane, trifluoro- + Pentane, 3-methyl-
• Nitrous oxide + Methane, trifluoro-
• Methane, trifluoro- + Benzene, octyl-
• Propane + Methane, trifluoro-
• n-Hexane + Methane, trifluoro-
• Butane + Methane, trifluoro-
• Methane, trifluoro- + Methyl Alcohol
• Ethanol + Methane, trifluoro-
• 1-Propanol + Methane, trifluoro-
• Methane, trifluoro- + 1-Butanol
• Methane, trifluoro- + Fenofibrate
• Benzene + Methane, trifluoro-
• Toluene + Methane, trifluoro-
• Methane, trifluoro- + Benzene, 1,3-dimethyl-
• Methane, trifluoro- + Mesitylene
• Methane, trifluoro- + Nonane
• Methane, trifluoro- + Decane
• Undecane + Methane, trifluoro-

Find more mixtures with Methane, trifluoro-.

Sources

• KDB Vapor Pressure Data
• Crippen Method
• Crippen Method
• Virial Coefficients from Burnett Measurements for the R23 + N2O System
• Solid Liquid Equilibria for the CO2 + R23 and N2O + R23 Systems
• PVTx measurements for N2O+CH3F, N2O+CH2F2, and N2O+ CHF3 binary systems
• Fluid phase equilibria in the binary system trifluoromethane + 1-phenyloctane
• Solubility of HFCs in lower alcohols
• Solubility of hydrofluorocarbons in aromatic solvents and alcohols: Experimental data and modeling with CPA EoS
• Isothermal vapor-liquid equilibrium data for the trifluoromethane (R23) + 2,3,3,3-tetrafluoroprop-1-ene (R1234yf) system at temperatures from 254 to 348 K
• Vapor-liquid and vapor-liquid-liquid equilibrium measurements and correlation of the binary mixtures 2,3,3,3-tetrafluoroprop-1-ene (R1234yf) p (tetrafluoromethane (R14), trifluoromethane (R23), octafluoropropane (R218), nitrogen (R728) and argon (R740)) and ethane (R170) p trifluoromethane (R23)
• An Isothermal vapour-liquid equilibrium data for the binary systems of CHF3 with (n-nonane, n-decane, or n-undecane) and C2F6 with (n-nonane or n-decane)
• Phase equilibria of the binary systems of fenofibrate and dense gases (carbon dioxide, propane, trifluoromethane)
• (Vapour + liquid) equilibria of the {trifluoromethane (HFC-23) + propane} and {trifluoromethane (HFC-23) + n-butane} systems
• Sorption of trifluoromethane in zeolites and ionic liquid
• Solubilities of hydrofluorocarbons in ionic liquids: Experimental and modelling study
• Solubility of hydrofluorocarbons in phosphonium-based ionic liquids: Experimental and modelling study
• Isothermal (vapour + liquid) equilibrium data for binary systems of (n-hexane + CO2 or CHF3)
• Isothermal vapour-liquid equilibrium data for the binary systems of (CHF3 or C2F6) and n-heptane
• Experimental determination of the critical loci for R-23 + (npropane or n-hexane) and R-116 + n-propane binary mixtures
• Isothermal vapour-liquid equilibrium data for binary systems of (CHF3 or C2F6) with (1-hexene or 3-methylpentane)
• Isothermal Vapor-Liquid Equilibrium Data for Binary Systems of CHF3 or C2F6 with Methylcyclohexane or Toluene
• Vapor-Liquid Equilibrium Data for the Ethane + Trifluoromethane System at Temperatures from (188.31 to 243.76) K
• Vapor-Liquid Equilibria for the Trifluoromethane + 1,1,1,2-Tetrafluoroethane System
• Solubility of Hydrofluorocarbons in Halobenzene Solvents
• Experimental Determination and Modeling of Bubble and Dew Points in the System CO2 + CHF3
• Joback Method
• KDB
• McGowan Method
• NIST Webbook

Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.
Outlier This icon means that the value is more than 2 standard deviations away from the property mean.