Chemical Properties of n-Pentacosane (CAS 629-99-2)

n-Pentacosane

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InChI
InChI=1S/C25H52/c1-3-5-7-9-11-13-15-17-19-21-23-25-24-22-20-18-16-14-12-10-8-6-4-2/h3-25H2,1-2H3
InChI Key
YKNWIILGEFFOPE-UHFFFAOYSA-N
Formula
C25H52
SMILES
CCCCCCCCCCCCCCCCCCCCCCCCC
Molecular Weight1
352.68
CAS
629-99-2
Other Names
  • n-Pentacosane
Sources

Physical Properties

Property Value Unit Source
Δf 159.62 kJ/mol Joback Calculated Property
Δfgas -559.33 kJ/mol Joback Calculated Property
Δfus 60.51 kJ/mol Joback Calculated Property
Δsub 174.00 ± 10.00 kJ/mol NIST
Δvap [126.80; 129.80] kJ/mol Show Hide
Δvap 126.80 kJ/mol NIST
Δvap 128.60 ± 2.20 kJ/mol NIST
Δvap 127.60 ± 0.80 kJ/mol NIST
Δvap 129.80 ± 2.90 kJ/mol NIST
logPoct/wat 10.00 Crippen Calculated Property
Pc 763.95 kPa Joback Calculated Property
solid,1 bar 671.10 J/mol×K NIST
Tboil 675.10 K NIST
Tc 944.85 K Joback Calculated Property
Tfus [325.50; 328.90] K Show Hide
Tfus 327.20 ± 0.40 K NIST
Tfus 326.00 ± 0.10 K NIST
Tfus 326.70 ± 0.30 K NIST
Tfus 326.15 ± 2.00 K NIST
Tfus 327.65 ± 2.00 K NIST
Tfus 326.50 ± 0.60 K NIST
Tfus 326.15 ± 3.00 K NIST
Tfus 326.60 ± 0.20 K NIST
Tfus 326.50 ± 0.60 K NIST
Tfus 326.50 ± 0.50 K NIST
Tfus 325.50 ± 3.00 K NIST
Tfus 325.50 ± 2.00 K NIST
Tfus 326.90 ± 2.00 K NIST
Tfus Outlier 328.90 ± 1.00 K NIST
Tfus 327.10 ± 1.00 K NIST
Tfus 327.00 ± 3.00 K NIST
Vc 1.44 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 1151.50 J/mol×K 771.4 Joback Calculated Property
Cp,liquid 815.90 J/mol×K 333.0 NIST
Cp,solid 769.00 J/mol×K 294.5 NIST
η 0.00 Pa×s 771.4 Joback Calculated Property
ΔfusH 26.07 kJ/mol 320.2 NIST
ΔfusH 57.74 kJ/mol 326.7 NIST
ΔvapH [90.90; 126.00] kJ/mol [415.50; 566.00] Show Hide
Plot of Enthalpy of vaporization at a given temperature.
ΔvapH 126.00 ± 1.00 kJ/mol 415.5 NIST
ΔvapH 106.60 kJ/mol 422.0 NIST
ΔvapH 97.60 kJ/mol 460.5 NIST
ΔvapH 90.90 ± 5.70 kJ/mol 479.5 NIST
ΔvapH 99.20 kJ/mol 566.0 NIST
ΔfusS 81.42 J/mol×K 320.2 NIST
ΔfusS 176.76 J/mol×K 326.7 NIST

Molecular Descriptors

Joback and Reid Groups
-CH2- 23
-CH3 2

Similar Compounds

Cyclooctadecane. Dotriacontane. n-Triacontane. heptapentacontane. Undecane. Hexadecane. n-Nonacosane. n-Octatetracontane. Cyclodecane. octapentacontane. Heptatriacontane. dohexacontane. n-Tricosane. Nonane. CYCLOOCTACOSANE.

Find more compounds similar to n-Pentacosane.

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