Chemical Properties of Propane, octafluoro- (CAS 76-19-7)

Propane, octafluoro-

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InChI
InChI=1S/C3F8/c4-1(5,2(6,7)8)3(9,10)11
InChI Key
QYSGYZVSCZSLHT-UHFFFAOYSA-N
Formula
C3F8
SMILES
FC(F)(F)C(F)(F)C(F)(F)F
Molecular Weight1
188.02
CAS
76-19-7
Other Names
  • 1,1,1,2,2,3,3,3-Octafluoropropane
  • C3F8
  • DMP 115
  • Definity
  • FC 218
  • FC 218 (refrigerant)
  • Freon 218
  • Genetron 218
  • HFC 218
  • MRX 115
  • Octafluoropropane
  • PFC 218
  • Perflutren
  • Propane, 1,1,1,2,2,3,3,3-octafluoro-
  • Propane, octafluoro-
  • R 218
  • UN 2424
Sources

Physical Properties

Property Value Unit Source
Δf -1575.58 kJ/mol Joback Calculated Property
Δfgas -1784.70 ± 8.80 kJ/mol NIST
Δfus 5.92 kJ/mol Joback Calculated Property
Δvap 11.85 kJ/mol Joback Calculated Property
IE 13.38 eV NIST
logPoct/wat 2.75 Crippen Calculated Property
Pc 2675.00 ± 10.00 kPa NIST
Pc 6183.90 ± 6.40 kPa NIST
Pc 2680.05 ± 20.26 kPa NIST
liquid 287.23 J/mol×K NIST
Tboil [234.00; 237.20] K Show Hide
Tboil 234.00 K NIST
Tboil 237.20 K NIST
Tboil 235.00 ± 2.00 K NIST
Tboil 236.50 ± 0.50 K NIST
Tc 345.10 ± 0.50 K NIST
Tc 345.03 ± 0.20 K NIST
Tc 345.05 ± 0.30 K NIST
Tfus 90.00 ± 2.00 K NIST
Ttriple 124.85 ± 0.30 K NIST
Ttriple 125.45 ± 0.02 K NIST
Vc 0.31 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 122.00 J/mol×K 252.51 Joback Calculated Property
Cp,liquid 181.38 J/mol×K 235.0 NIST
ΔfusH 3.56 kJ/mol 99.4 NIST
ΔfusH 0.48 kJ/mol 125.5 NIST
ΔvapH 21.60 kJ/mol 215.0 NIST
ΔvapH 20.90 kJ/mol 236.0 NIST
ΔvapH 19.76 kJ/mol 236.42 NIST
ΔfusS 35.77 J/mol×K 99.4 NIST
ΔfusS 3.81 J/mol×K 125.5 NIST
ΔvapS 83.58 J/mol×K 236.42 NIST

Molecular Descriptors

Joback and Reid Groups
-F 8
>C< 3

Similar Compounds

1,1,1,2,3,3-Hexafluoropropane. 1,1,1,2,2-Pentafluoropropane. Propane, 1,1,2,2,3-pentafluoro-. Perfluoro-n-butane. Propyl,hexaflouro-2-triflouromethyl. Butyl,nonaflouro-. 1,1,1,2,2,3,3-Heptafluoro-3-iodopropane. 2,2,3,3,3-Pentafluoro-1-propanol. Propanal, pentafluoro-. Heptafluoropropyl bromide. 1H,1h-pentafluoropropyl iodide. 1,1,2,2-Tetrafluorocyclopropane. Heptafluoro-2-iodopropane. Propane, 1,1,2,2-tetrafluoro-. 1,1,1,3,3-Pentafluoropropane (R245fa).

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