Chemical Properties of n-Heneicosane (CAS 629-94-7)

n-Heneicosane

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InChI
InChI=1S/C21H44/c1-3-5-7-9-11-13-15-17-19-21-20-18-16-14-12-10-8-6-4-2/h3-21H2,1-2H3
InChI Key
FNAZRRHPUDJQCJ-UHFFFAOYSA-N
Formula
C21H44
SMILES
CCCCCCCCCCCCCCCCCCCCC
Molecular Weight1
296.57
CAS
629-94-7
Other Names
  • henicosane
  • n-Heneicosane
  • n-henicosane
Sources

Physical Properties

Property Value Unit Source
Δf 125.94 kJ/mol Joback Calculated Property
Δfgas -476.77 kJ/mol Joback Calculated Property
Δfus 50.15 kJ/mol Joback Calculated Property
Δsub 142.00 ± 10.00 kJ/mol NIST
Δvap 106.80 kJ/mol NIST
Δvap 109.40 ± 2.60 kJ/mol NIST
logPoct/wat 8.44 Crippen Calculated Property
Pc 1000.00 ± 200.00 kPa NIST
Pc 1030.00 ± 40.00 kPa NIST
Tboil 629.70 K NIST
Tboil 635.10 ± 1.50 K NIST
Tboil 373.20 K NIST
Tc 778.00 ± 8.00 K NIST
Tc 777.60 ± 3.00 K NIST
Tfus [310.00; 314.00] K Show Hide
Tfus 313.40 ± 0.30 K NIST
Tfus 313.65 ± 1.50 K NIST
Tfus 313.50 ± 0.50 K NIST
Tfus 313.60 ± 0.50 K NIST
Tfus 312.60 ± 0.70 K NIST
Tfus 312.60 ± 1.00 K NIST
Tfus 313.60 ± 0.50 K NIST
Tfus 313.50 ± 0.50 K NIST
Tfus 313.00 ± 2.00 K NIST
Tfus 313.70 ± 2.00 K NIST
Tfus 314.00 ± 1.50 K NIST
Tfus Outlier 310.00 ± 3.00 K NIST
Tfus 313.70 ± 0.50 K NIST
Tfus 313.20 ± 0.60 K NIST
Tfus 313.70 ± 1.00 K NIST
Tfus 313.60 ± 2.00 K NIST
Tfus 313.60 ± 1.00 K NIST
Vc 1.21 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 900.73 J/mol×K 679.88 Joback Calculated Property
Cp,liquid 666.40 J/mol×K 315.93 NIST
η 0.00 Pa×s 679.88 Joback Calculated Property
ΔfusH 15.48 kJ/mol 305.7 NIST
ΔfusH 47.70 kJ/mol 313.7 NIST
ΔvapH [84.70; 110.00] kJ/mol [382.50; 526.00] Show Hide
ΔvapH 110.00 ± 2.00 kJ/mol 382.5 NIST
ΔvapH 93.70 kJ/mol 406.5 NIST
ΔvapH 84.70 kJ/mol 415.0 NIST
ΔvapH 88.40 kJ/mol 526.0 NIST
ΔfusS 50.65 J/mol×K 305.7 NIST
ΔfusS 152.06 J/mol×K 313.7 NIST

Molecular Descriptors

Joback and Reid Groups
-CH2- 19
-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-Heneicosane.

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