Chemical Properties of Ethane, 1,1,2,2-tetrafluoro- (CAS 359-35-3)

InChI

InChI=1S/C2H2F4/c3-1(4)2(5)6/h1-2H

InChI Key

WXGNWUVNYMJENI-UHFFFAOYSA-N

Formula

C2H2F4

SMILES

FC(F)C(F)F

Molecular Weight¹

102.03

CAS

359-35-3

Other Names

• 1,1,2,2-tetrafluoroethane
• CHF2CHF2
• R 134
• R-134
• freon 134

• ω : Acentric Factor.
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• 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).
• 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_c : Critical density (kg/m³).
• I_np : Non-polar retention indices.
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.3143		Relay (1.0) Calculated Property
ΔfG°	-818.16	kJ/mol	Joback Calculated Property
ΔfH°gas	-901.42	kJ/mol	Relay (1.0) Calculated Property
ΔfusH°	6.21	kJ/mol	Joback Calculated Property
IE	12.54	eV	Relay (1.0) Calculated Property
logPoct/wat	1.517		Crippen Calculated Property
McVol	46.120	ml/mol	McGowan Calculated Property
Pc	4036.37	kPa	Joback Calculated Property
ρc	[534.64; 535.66]	kg/m3
ρc	535.66 ± 3.06	kg/m3	NIST
ρc	534.64 ± 8.16	kg/m3	NIST
Inp	248.00		NIST
Tboil	[250.00; 250.15]	K
Tboil	250.00	K	NIST
Tboil	250.15 ± 0.50	K	NIST
Tboil	250.00 ± 3.00	K	NIST
Tboil	250.00 ± 4.00	K	NIST
Tc	[391.74; 391.80]	K
Tc	391.74 ± 0.05	K	NIST
Tc	391.80 ± 0.50	K	NIST
Tfus	208.20	K	Relay (1.0) Calculated Property
Vc	0.211	m3/kmol	Relay (1.0) Calculated Property

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	[74.42; 95.82]	J/mol×K	[241.36; 369.88]
Cp,gas	74.42	J/mol×K	241.36	Joback Calculated Property
Cp,gas	78.28	J/mol×K	262.78	Joback Calculated Property
Cp,gas	82.02	J/mol×K	284.20	Joback Calculated Property
Cp,gas	85.64	J/mol×K	305.62	Joback Calculated Property
Cp,gas	89.14	J/mol×K	327.04	Joback Calculated Property
Cp,gas	92.54	J/mol×K	348.46	Joback Calculated Property
Cp,gas	95.82	J/mol×K	369.88	Joback Calculated Property
Pvap	[124.30; 1730.20]	kPa	[258.15; 343.15]
Pvap	124.30	kPa	258.15	Phase equilibrium for the binary azeotropic mixture of trifluoroiodomethane (R13I1) + 1,1,2,2-tetrafluoroethane (R134) at temperatures from 258.150 to 283.150 K
Pvap	155.00	kPa	263.15	Vapor-Liquid Equilibria for 1,1,2,2-Tetrafluoroethane (R134) + Fluoroethane (R161) at Temperatures between (263.15 and 288.15) K
Pvap	153.00	kPa	263.15	Phase equilibrium for the binary azeotropic mixture of trifluoroiodomethane (R13I1) + 1,1,2,2-tetrafluoroethane (R134) at temperatures from 258.150 to 283.150 K
Pvap	189.00	kPa	268.15	Vapor-Liquid Equilibria for 1,1,2,2-Tetrafluoroethane (R134) + Fluoroethane (R161) at Temperatures between (263.15 and 288.15) K
Pvap	225.90	kPa	273.15	Phase equilibrium for the binary azeotropic mixture of trifluoroiodomethane (R13I1) + 1,1,2,2-tetrafluoroethane (R134) at temperatures from 258.150 to 283.150 K
Pvap	271.30	kPa	278.15	Measurements of isothermal (vapour + liquid) equilibria data for {1,1,2,2-Tetrafluoroethane (R134) + trans-1,3,3,3-tetrafluoropropene (R1234ze (E))} at T = (258.150 to 288.150) K
Pvap	276.00	kPa	278.15	Vapor-Liquid Equilibria for 1,1,2,2-Tetrafluoroethane (R134) + Fluoroethane (R161) at Temperatures between (263.15 and 288.15) K
Pvap	323.40	kPa	283.15	Phase equilibrium for the binary azeotropic mixture of trifluoroiodomethane (R13I1) + 1,1,2,2-tetrafluoroethane (R134) at temperatures from 258.150 to 283.150 K
Pvap	382.90	kPa	288.15	Measurements of isothermal (vapour + liquid) equilibria data for {1,1,2,2-Tetrafluoroethane (R134) + trans-1,3,3,3-tetrafluoropropene (R1234ze (E))} at T = (258.150 to 288.150) K
Pvap	386.00	kPa	288.15	Vapor-Liquid Equilibria for 1,1,2,2-Tetrafluoroethane (R134) + Fluoroethane (R161) at Temperatures between (263.15 and 288.15) K
Pvap	613.80	kPa	303.15	Measurements of isothermal (vapour + liquid) equilibrium for the 1,1,2,2-1,1,2,2-tetrafluoroethane (R134) + cis-1,3,3,3-tetrafluoropropene (R1234ze(Z)) system at temperatures from (303.150 to 343.150) K
Pvap	817.10	kPa	313.15	Measurements of isothermal (vapour + liquid) equilibrium for the 1,1,2,2-1,1,2,2-tetrafluoroethane (R134) + cis-1,3,3,3-tetrafluoropropene (R1234ze(Z)) system at temperatures from (303.150 to 343.150) K
Pvap	1065.90	kPa	323.15	Measurements of isothermal (vapour + liquid) equilibrium for the 1,1,2,2-1,1,2,2-tetrafluoroethane (R134) + cis-1,3,3,3-tetrafluoropropene (R1234ze(Z)) system at temperatures from (303.150 to 343.150) K
Pvap	1368.50	kPa	333.15	Measurements of isothermal (vapour + liquid) equilibrium for the 1,1,2,2-1,1,2,2-tetrafluoroethane (R134) + cis-1,3,3,3-tetrafluoropropene (R1234ze(Z)) system at temperatures from (303.150 to 343.150) K
Pvap	1730.20	kPa	343.15	Measurements of isothermal (vapour + liquid) equilibrium for the 1,1,2,2-1,1,2,2-tetrafluoroethane (R134) + cis-1,3,3,3-tetrafluoropropene (R1234ze(Z)) system at temperatures from (303.150 to 343.150) K

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 4678.89]	kPa	[180.34; 391.80]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.47295e+01
Coefficient B			-2.34888e+03
Coefficient C			-1.76940e+01
Temperature range, min.			180.34
Temperature range, max.			391.80
Pvap	1.33	kPa	180.34	Calculated Property
Pvap	8.25	kPa	203.84	Calculated Property
Pvap	33.95	kPa	227.33	Calculated Property
Pvap	105.02	kPa	250.83	Calculated Property
Pvap	264.18	kPa	274.32	Calculated Property
Pvap	569.25	kPa	297.82	Calculated Property
Pvap	1089.20	kPa	321.31	Calculated Property
Pvap	1898.60	kPa	344.81	Calculated Property
Pvap	3071.94	kPa	368.30	Calculated Property
Pvap	4678.89	kPa	391.80	Calculated Property

Similar Compounds

Find more compounds similar to Ethane, 1,1,2,2-tetrafluoro-.

Mixtures

• Ethane, 1,1,2,2-tetrafluoro- + Isobutane
• Methane, trifluoroiodo- + Ethane, 1,1,2,2-tetrafluoro-
• Ethane, 1,1,2,2-tetrafluoro- + Ethane, 1,1-difluoro-
• Propane + Ethane, 1,1,2,2-tetrafluoro-
• Ethane, 1,1,2,2-tetrafluoro- + Ethane, 1,1-difluoro- + Isobutane
• Ethane, fluoro- + Ethane, 1,1,2,2-tetrafluoro-

Sources

• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Phase equilibrium for the binary azeotropic mixture of trifluoroiodomethane (R13I1) + 1,1,2,2-tetrafluoroethane (R134) at temperatures from 258.150 to 283.150 K
• The investigation on the vapor + liquid equilibrium for the ternary mixture isobutene (R600a) + 1,1-difluoroethane (R152a) + 1,1,2,2-tetrafluoroethane (R134) at temperatures from 253.150 to 273.150 K
• Isothermal (vapour + liquid) equilibrium for the binary {1,1,2,2-tetrafluoroethane (R134) + propane (R290)} and {1,1,2,2-tetrafluoroethane (R134) + isobutane (R600a)} systems
• (Vapour + liquid) equilibrium data for the azeotropic {1,1-difluoroethane (R152a) + 1,1,2,2-Tetrafluoroethane (R134)} system at various temperatures from (258.150 to 288.150) K
• Measurements of isothermal (vapour + liquid) equilibria data for {1,1,2,2-Tetrafluoroethane (R134) + trans-1,3,3,3-tetrafluoropropene (R1234ze (E))} at T = (258.150 to 288.150) K
• (Vapor + liquid + liquid) equilibrium measurements and correlation for {1,1,2,2-tetrafluoroethane (R134) + isobutane (R600a)} system
• Measurements of isothermal (vapour + liquid) equilibrium for the 1,1,2,2-1,1,2,2-tetrafluoroethane (R134) + cis-1,3,3,3-tetrafluoropropene (R1234ze(Z)) system at temperatures from (303.150 to 343.150) K
• Vapor-Liquid Equilibria for 1,1,2,2-Tetrafluoroethane (R134) + Fluoroethane (R161) at Temperatures between (263.15 and 288.15) K
• Solubility Differences of Halocarbon Isomers in Ionic Liquid [emim][Tf2N]
• Joback Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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.
These property values are available through the Cheméo API. A free account gives you an access key.