Chemical Properties of Heptacosane (CAS 593-49-7)

Heptacosane

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InChI
InChI=1S/C27H56/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-26-24-22-20-18-16-14-12-10-8-6-4-2/h3-27H2,1-2H3
InChI Key
BJQWYEJQWHSSCJ-UHFFFAOYSA-N
Formula
C27H56
SMILES
CCCCCCCCCCCCCCCCCCCCCCCCCCC
Molecular Weight1
380.73
CAS
593-49-7
Other Names
  • n-Heptacosane
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Physical Properties

Property Value Unit Source
Δf 176.46 kJ/mol Joback Calculated Property
Δfgas -600.61 kJ/mol Joback Calculated Property
Δfus 65.69 kJ/mol Joback Calculated Property
Δsub 196.00 ± 30.00 kJ/mol NIST
Δvap 75.70 kJ/mol Joback Calculated Property
log10WS -11.12 Crippen Calculated Property
logPoct/wat 10.779 Crippen Calculated Property
McVol 391.290 ml/mol McGowan Calculated Property
Pc 688.89 kPa Joback Calculated Property
Inp [426.00; 447.80]   Show Hide
Inp 429.45 NIST
Inp 447.80 NIST
Inp 426.00 NIST
Inp 426.00 NIST
Tboil 817.16 K Joback Calculated Property
Tc 1000.84 K Joback Calculated Property
Tfus 394.05 K Joback Calculated Property
Ttriple 332.00 ± 0.10 K NIST
Vc 1.548 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [1281.81; 1412.80] J/mol×K [817.16; 1000.84] Show Hide
Cp,gas 1281.81 J/mol×K 817.16 Joback Calculated Property
Cp,gas 1306.54 J/mol×K 847.77 Joback Calculated Property
Cp,gas 1330.04 J/mol×K 878.39 Joback Calculated Property
Cp,gas 1352.36 J/mol×K 909.00 Joback Calculated Property
Cp,gas 1373.56 J/mol×K 939.61 Joback Calculated Property
Cp,gas 1393.68 J/mol×K 970.23 Joback Calculated Property
Cp,gas 1412.80 J/mol×K 1000.84 Joback Calculated Property
Cp,solid 828.00 J/mol×K 313.00 NIST
η [0.0000379; 0.0016072] Pa×s [394.05; 817.16] Show Hide
η 0.0016072 Pa×s 394.05 Joback Calculated Property
η 0.0005356 Pa×s 464.57 Joback Calculated Property
η 0.0002384 Pa×s 535.09 Joback Calculated Property
η 0.0001282 Pa×s 605.61 Joback Calculated Property
η 0.0000784 Pa×s 676.12 Joback Calculated Property
η 0.0000526 Pa×s 746.64 Joback Calculated Property
η 0.0000379 Pa×s 817.16 Joback Calculated Property
ΔfusH [2.26; 62.80] kJ/mol [318.00; 332.10] Show Hide
ΔfusH 2.26 kJ/mol 318.00 NIST
ΔfusH 26.28 kJ/mol 325.40 NIST
ΔfusH 62.80 kJ/mol 331.60 NIST
ΔfusH 59.05 kJ/mol 332.10 NIST
ΔfusH 59.05 kJ/mol 332.10 NIST
ΔvapH [94.20; 135.60] kJ/mol [298.15; 584.00] Show Hide
ΔvapH 135.60 kJ/mol 298.15 Vapor P...
ΔvapH 132.00 ± 1.00 kJ/mol 421.00 NIST
ΔvapH 116.90 ± 3.00 kJ/mol 421.00 NIST
ΔvapH 94.20 kJ/mol 539.00 NIST
ΔvapH 104.30 kJ/mol 584.00 NIST
Pvap [5.90e-04; 0.04] kPa [401.68; 462.27] Show Hide
Pvap 5.92e-04 kPa 401.68 Experim...
Pvap 5.90e-04 kPa 401.69 Experim...
Pvap 1.29e-03 kPa 411.78 Experim...
Pvap 1.30e-03 kPa 411.81 Experim...
Pvap 2.69e-03 kPa 421.93 Experim...
Pvap 2.72e-03 kPa 421.95 Experim...
Pvap 5.56e-03 kPa 432.03 Experim...
Pvap 0.01 kPa 442.18 Experim...
Pvap 0.02 kPa 452.27 Experim...
Pvap 0.04 kPa 462.27 Experim...
Pvap 0.04 kPa 462.27 Experim...
ΔfusS [7.11; 177.82] J/mol×K [318.00; 332.10] Show Hide
ΔfusS 7.11 J/mol×K 318.00 NIST
ΔfusS 80.75 J/mol×K 325.40 NIST
ΔfusS 177.82 J/mol×K 332.10 NIST

Pressure Dependent Properties

Property Value Unit Pressure (kPa) Source
Tboilr 543.20 K 2.00 NIST

Correlations

Property Value Unit Temperature (K) Source
Pvap [0.07; 101.55] kPa [473.15; 695.15] KDB Vap... Show Hide
Equationln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A3.45690e+02
Coefficient B-3.16699e+04
Coefficient C-4.62242e+01
Coefficient D1.44570e-05
Temperature range, min.473.15
Temperature range, max.695.15
Pvap 0.07 kPa 473.15 Calculated Property
Pvap 0.24 kPa 497.82 Calculated Property
Pvap 0.76 kPa 522.48 Calculated Property
Pvap 2.02 kPa 547.15 Calculated Property
Pvap 4.77 kPa 571.82 Calculated Property
Pvap 10.15 kPa 596.48 Calculated Property
Pvap 19.84 kPa 621.15 Calculated Property
Pvap 36.11 kPa 645.82 Calculated Property
Pvap 62.02 kPa 670.48 Calculated Property
Pvap 101.55 kPa 695.15 Calculated Property

Similar Compounds

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

Find more compounds similar to Heptacosane.

Sources

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