Chemical Properties of Cyclopentanone (CAS 120-92-3)

Cyclopentanone

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InChI
InChI=1S/C5H8O/c6-5-3-1-2-4-5/h1-4H2
InChI Key
BGTOWKSIORTVQH-UHFFFAOYSA-N
Formula
C5H8O
SMILES
O=C1CCCC1
Molecular Weight1
84.12
CAS
120-92-3
Other Names
  • Adipic ketone
  • Adipinketon
  • Dumasin
  • Ketocyclopentane
  • Ketopentamethylene
  • NSC 4122
  • UN 2245
Sources

Physical Properties

Property Value Unit Source
PAff 823.70 kJ/mol NIST
PAff 828.00 ± 4.00 kJ/mol NIST
BasG 794.00 kJ/mol NIST
Δcliquid -2873.50 ± 1.60 kJ/mol NIST
Δcliquid -2874.00 ± 0.92 kJ/mol NIST
Δcliquid -2870.00 ± 0.80 kJ/mol NIST
EA 0.00 eV NIST
Δf -87.11 kJ/mol Joback Calculated Property
Δfgas -197.40 ± 1.30 kJ/mol NIST
Δfgas -194.80 ± 1.70 kJ/mol NIST
Δfgas -193.00 ± 1.80 kJ/mol NIST
Δfliquid -240.20 ± 1.30 kJ/mol NIST
Δfliquid -237.40 ± 1.70 kJ/mol NIST
Δfliquid -236.50 kJ/mol NIST
Δfus 1.08 kJ/mol Joback Calculated Property
Δvap [42.10; 42.77] kJ/mol Show Hide
Δvap 42.77 kJ/mol NIST
Δvap Outlier 42.10 ± 0.20 kJ/mol NIST
Δvap 42.63 ± 0.42 kJ/mol NIST
Δvap 42.60 ± 0.40 kJ/mol NIST
Δvap 42.70 ± 0.10 kJ/mol NIST
Δvap 42.72 kJ/mol NIST
IE [9.10; 9.42] eV Show Hide
IE 9.26 ± 0.01 eV NIST
IE 9.28 ± 0.01 eV NIST
IE 9.25 ± 0.02 eV NIST
IE 9.26 ± 0.01 eV NIST
IE Outlier 9.42 ± 0.03 eV NIST
IE 9.30 eV NIST
IE Outlier 9.10 eV NIST
IE 9.28 eV NIST
IE 9.28 eV NIST
IE 9.25 ± 0.02 eV NIST
logPoct/wat 1.13 Crippen Calculated Property
Pc 4600.00 ± 50.00 kPa NIST
Tboil [402.15; 403.90] K Show Hide
Tboil 403.50 ± 0.50 K NIST
Tboil 403.80 K NIST
Tboil 403.70 K NIST
Tboil 403.90 ± 0.50 K NIST
Tboil 403.50 ± 0.50 K NIST
Tboil 403.90 ± 0.50 K NIST
Tboil 402.15 ± 2.00 K NIST
Tboil 402.15 ± 1.50 K NIST
Tboil 403.90 ± 0.40 K NIST
Tboil 403.80 ± 0.20 K NIST
Tboil 403.60 ± 3.00 K NIST
Tboil 403.40 ± 2.00 K NIST
Tboil 402.15 ± 2.00 K NIST
Tc 624.50 ± 2.00 K NIST
Tfus [220.05; 222.60] K Show Hide
Tfus 221.70 ± 0.30 K NIST
Tfus 220.05 ± 0.50 K NIST
Tfus 222.60 ± 0.60 K NIST
Tfus 221.85 ± 0.40 K NIST
Tfus 221.85 ± 0.50 K NIST
Ttriple 221.44 ± 0.02 K NIST
Vc 0.26 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [116.90; 149.22] J/mol×K [360.00; 480.00] Show Hide
Plot of Ideal gas heat capacity.
Cp,gas 116.90 J/mol×K 360.0 NIST
Cp,gas 121.16 J/mol×K 375.0 NIST
Cp,gas 128.03 J/mol×K 400.0 NIST
Cp,gas 133.86 J/mol×K 420.0 NIST
Cp,gas 139.31 J/mol×K 440.0 NIST
Cp,gas 144.04 J/mol×K 460.0 NIST
Cp,gas 149.22 J/mol×K 480.0 NIST
ΔfusH 11.40 kJ/mol 221.2 NIST
ΔfusH 11.40 kJ/mol 221.2 NIST
ΔvapH [36.35; 43.60] kJ/mol [286.00; 403.70] Show Hide
Plot of Enthalpy of vaporization at a given temperature.
ΔvapH 43.60 kJ/mol 286.0 NIST
ΔvapH 42.60 kJ/mol 348.5 NIST
ΔvapH 41.50 kJ/mol 363.0 NIST
ΔvapH 40.60 kJ/mol 372.0 NIST
ΔvapH 39.60 kJ/mol 377.0 NIST
ΔvapH 36.35 kJ/mol 403.7 NIST

Molecular Descriptors

Joback and Reid Groups
>C=O (ring) 1
-CH2- (ring) 4

Similar Compounds

2-Pentanone. 2-Hexanone. 1,3-Cyclopentanedione. 3-Hexanone. 3-Pentanone. 3-Heptanone. 1,2-Cyclopentanedione. 4-Octanone. 5-Nonanone. Cyclohexanone. 4-oxohexanal. CH3COCH2CH2COCH3. 4-Heptanone. 2-Heptanone. Acetylacetone.

Find more compounds similar to Cyclopentanone.

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.