Chemical Properties of Ethane, 1,1,1-trifluoro- (CAS 420-46-2)

Ethane, 1,1,1-trifluoro-

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InChI
InChI=1S/C2H3F3/c1-2(3,4)5/h1H3
InChI Key
UJPMYEOUBPIPHQ-UHFFFAOYSA-N
Formula
C2H3F3
SMILES
CC(F)(F)F
Molecular Weight1
84.04
CAS
420-46-2
Other Names
  • 1,1,1-Trifluoroethane
  • 1,1,1-Trifluoroform
  • CH3CF3
  • FC 143a
  • Fluorocarbon FC143a
  • Freon 143a
  • Methylfluoroform
  • R 143a
Sources

Physical Properties

Property Value Unit Source
Δcgas -1008.00 ± 2.00 kJ/mol NIST
Δf -615.63 kJ/mol Joback Calculated Property
Δfgas -748.70 ± 3.20 kJ/mol NIST
Δfgas -749.00 ± 2.00 kJ/mol NIST
Δfus 2.76 kJ/mol Joback Calculated Property
Δvap 16.30 kJ/mol Joback Calculated Property
IE 13.30 ± 0.10 eV NIST
IE 13.80 eV NIST
IE 12.90 ± 0.10 eV NIST
logPoct/wat 1.57 Crippen Calculated Property
Pc [3411.60; 3769.00] kPa Show Hide
Pc 3763.90 ± 5.00 kPa NIST
Pc 3411.60 ± 5.00 kPa NIST
Pc 3769.00 ± 5.00 kPa NIST
Pc 3757.63 ± 103.42 kPa NIST
liquid 224.10 J/mol×K NIST
Tboil 226.00 K NIST
Tboil 226.45 ± 0.10 K NIST
Tc [345.86; 346.25] K Show Hide
Tc 345.86 ± 0.05 K NIST
Tc 345.86 ± 0.02 K NIST
Tc 345.97 ± 0.20 K NIST
Tc 346.25 ± 0.70 K NIST
Tfus 116.49 K Joback Calculated Property
Ttriple 161.82 ± 0.02 K NIST
Vc 0.19 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 63.79 J/mol×K 239.74 Joback Calculated Property
Cp,liquid 109.66 J/mol×K 220.0 NIST
ΔfusH 0.30 kJ/mol 156.4 NIST
ΔfusH 6.19 kJ/mol 161.8 NIST
ΔfusH 6.19 kJ/mol 161.9 NIST
ΔvapH [8.70; 20.50] kJ/mol [200.00; 333.00] Show Hide
Plot of Enthalpy of vaporization at a given temperature.
ΔvapH 20.50 kJ/mol 200.0 NIST
ΔvapH 19.20 ± 0.10 kJ/mol 224.0 NIST
ΔvapH 19.18 kJ/mol 224.4 NIST
ΔvapH 18.90 kJ/mol 233.0 NIST
ΔvapH 18.10 kJ/mol 258.0 NIST
ΔvapH 17.50 kJ/mol 258.0 NIST
ΔvapH 16.70 kJ/mol 258.0 NIST
ΔvapH 15.90 kJ/mol 258.0 NIST
ΔvapH 16.40 kJ/mol 273.0 NIST
ΔvapH 13.80 kJ/mol 303.0 NIST
ΔvapH 8.70 kJ/mol 333.0 NIST
ΔfusS 38.30 J/mol×K 156.4 NIST
ΔfusS 1.90 J/mol×K 161.9 NIST
ΔvapS 85.45 J/mol×K 224.4 NIST

Molecular Descriptors

Joback and Reid Groups
-F 3
-CH3 1
>C< 1

Similar Compounds

2,2,2-Trifluoroethyl radical. Ethane, 1,1-difluoro-. Ethane, 1,1,1,2-tetrafluoro-. 1,1,1-Trifluoropropane. Propene, 3,3,3-trifluoro-. Ethylamine, 2,2,2-trifluoro-,hydrochloride. 2,2,2-Trifluoroethylamine. Fc-125. 2-Bromo-1,1,1-trifluoroethane. 1-Propyne, 3,3,3-trifluoro-. Ethanol, 2,2,2-trifluoro-. Ethanal, trifluoro. Acetonitrile, trifluoro-. Ethane, 2-chloro-1,1,1-trifluoro-. 1,1,1-Trifluoro-2-iodoethane.

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