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

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

Physical Properties

Property Value Unit Source
Δf 159.62 kJ/mol Joback Calculated Property
Δfgas -559.33 kJ/mol Joback Calculated Property
Δfus [1.07; 55.53] kJ/mol Show Hide
Δfus 55.53 kJ/mol Solid l...
Δfus 23.90 kJ/mol Solid l...
Δfus 1.07 kJ/mol Solid l...
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
log10WS -10.29 Crippen Calculated Property
logPoct/wat 9.998 Crippen Calculated Property
McVol 363.110 ml/mol McGowan Calculated Property
Pc 763.95 kPa Joback Calculated Property
Inp [394.59; 402.21]   Show Hide
Inp 394.59 NIST
Inp 402.21 NIST
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 326.65 K KDB
Tfus 325.92 K Solid l...
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
Ttriple [309.00; 312.90] K Show Hide
Ttriple 309.00 K Solid l...
Ttriple 312.90 K Solid l...
Vc 1.435 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [1151.50; 1276.43] J/mol×K [771.40; 944.85] Show Hide
Cp,gas 1151.50 J/mol×K 771.40 Joback Calculated Property
Cp,gas 1174.90 J/mol×K 800.31 Joback Calculated Property
Cp,gas 1197.21 J/mol×K 829.22 Joback Calculated Property
Cp,gas 1218.47 J/mol×K 858.13 Joback Calculated Property
Cp,gas 1238.74 J/mol×K 887.04 Joback Calculated Property
Cp,gas 1258.04 J/mol×K 915.95 Joback Calculated Property
Cp,gas 1276.43 J/mol×K 944.85 Joback Calculated Property
Cp,liquid 815.90 J/mol×K 333.00 NIST
Cp,solid 769.00 J/mol×K 294.50 NIST
η [0.0000503; 0.0020715] Pa×s [371.51; 771.40] Show Hide
η 0.0020715 Pa×s 371.51 Joback Calculated Property
η 0.0006958 Pa×s 438.16 Joback Calculated Property
η 0.0003118 Pa×s 504.81 Joback Calculated Property
η 0.0001685 Pa×s 571.45 Joback Calculated Property
η 0.0001035 Pa×s 638.10 Joback Calculated Property
η 0.0000697 Pa×s 704.75 Joback Calculated Property
η 0.0000503 Pa×s 771.40 Joback Calculated Property
ΔfusH [26.07; 79.39] kJ/mol [320.20; 326.70] Show Hide
ΔfusH 26.07 kJ/mol 320.20 NIST
ΔfusH 55.53 kJ/mol 325.90 NIST
ΔfusH 57.80 kJ/mol 326.40 NIST
ΔfusH 79.39 kJ/mol 326.60 NIST
ΔfusH 57.74 kJ/mol 326.70 NIST
ΔfusH 57.74 kJ/mol 326.70 NIST
ΔvapH [90.90; 126.70] kJ/mol [298.00; 566.00] Show Hide
ΔvapH 119.10 kJ/mol 298.00 A Compa...
ΔvapH 126.70 kJ/mol 298.00 A Compa...
ΔvapH 126.00 ± 1.00 kJ/mol 415.50 NIST
ΔvapH 106.60 kJ/mol 422.00 NIST
ΔvapH 97.60 kJ/mol 460.50 NIST
ΔvapH 90.90 ± 5.70 kJ/mol 479.50 NIST
ΔvapH 99.20 kJ/mol 566.00 NIST
ΔfusS [81.42; 243.10] J/mol×K [320.20; 326.70] Show Hide
ΔfusS 81.42 J/mol×K 320.20 NIST
ΔfusS 243.10 J/mol×K 326.60 NIST
ΔfusS 176.76 J/mol×K 326.70 NIST

Similar Compounds

Tetradecane. Nonacosane. Hexacosane. Heptadecane. dooctacontane. Octane-d18-. Tetracosane. octapentacontane. Tetratriacontane. Heptacosane. Docosane. Dodecane. n-Octatetracontane. heptahexacontane. Dotriacontane.

Find more compounds similar to Pentacosane.

Mixtures

Sources

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