Chemical Properties of Eicosanoic acid (CAS 506-30-9)

Eicosanoic acid

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InChI
InChI=1S/C20H40O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h2-19H2,1H3,(H,21,22)
InChI Key
VKOBVWXKNCXXDE-UHFFFAOYSA-N
Formula
C20H40O2
SMILES
CCCCCCCCCCCCCCCCCCCC(=O)O
Molecular Weight1
312.53
CAS
506-30-9
Other Names
  • ARACHIC ACID
  • Arachidic acid
  • Arachidic acid (synthetic)
  • Icosanoic acid
  • N-EICOSANOIC ACID
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Physical Properties

Property Value Unit Source
Δcliquid -12574.20 ± 1.50 kJ/mol NIST
Δf -148.22 kJ/mol Joback Calculated Property
Δfgas -720.94 kJ/mol Joback Calculated Property
Δfus 53.24 kJ/mol Joback Calculated Property
Δvap 83.54 kJ/mol Joback Calculated Property
log10WS -7.29 Crippen Calculated Property
logPoct/wat 7.113 Crippen Calculated Property
McVol 300.100 ml/mol McGowan Calculated Property
Pc 1123.81 kPa Joback Calculated Property
Ptriple 2.00e-06 ± 1.07e-06 kPa NIST
Inp [377.80; 2380.00]   Show Hide
Inp 2365.30 NIST
Inp 2380.00 NIST
Inp 2359.00 NIST
Inp 2359.00 NIST
Inp 2359.00 NIST
Inp 2380.00 NIST
Inp 2366.00 NIST
Inp Outlier 377.80 NIST
Inp 2380.00 NIST
Inp Outlier 377.80 NIST
Inp 2365.30 NIST
Tboil 803.05 K Joback Calculated Property
Tc 983.47 K Joback Calculated Property
Tfus 348.40 ± 0.05 K NIST
Ttriple [347.25; 348.23] K Show Hide
Ttriple 348.23 ± 0.02 K NIST
Ttriple 347.25 ± 0.60 K NIST
Vc 1.181 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [955.05; 1051.45] J/mol×K [803.05; 983.47] Show Hide
Cp,gas 955.05 J/mol×K 803.05 Joback Calculated Property
Cp,gas 973.29 J/mol×K 833.12 Joback Calculated Property
Cp,gas 990.60 J/mol×K 863.19 Joback Calculated Property
Cp,gas 1007.04 J/mol×K 893.26 Joback Calculated Property
Cp,gas 1022.64 J/mol×K 923.33 Joback Calculated Property
Cp,gas 1037.42 J/mol×K 953.40 Joback Calculated Property
Cp,gas 1051.45 J/mol×K 983.47 Joback Calculated Property
Cp,solid 545.14 J/mol×K 298.15 NIST
η [0.0000169; 0.0016627] Pa×s [425.91; 803.05] Show Hide
η 0.0016627 Pa×s 425.91 Joback Calculated Property
η 0.0004736 Pa×s 488.77 Joback Calculated Property
η 0.0001796 Pa×s 551.62 Joback Calculated Property
η 0.0000830 Pa×s 614.48 Joback Calculated Property
η 0.0000443 Pa×s 677.34 Joback Calculated Property
η 0.0000263 Pa×s 740.19 Joback Calculated Property
η 0.0000169 Pa×s 803.05 Joback Calculated Property
ΔfusH [69.20; 71.60] kJ/mol [347.80; 348.20] Show Hide
ΔfusH 71.60 kJ/mol 347.80 NIST
ΔfusH 69.20 kJ/mol 348.20 NIST
ΔfusH 69.20 kJ/mol 348.20 NIST
ΔsubH [148.40; 200.00] kJ/mol [314.00; 341.50] Show Hide
ΔsubH 148.40 kJ/mol 314.00 NIST
ΔsubH 200.00 ± 7.50 kJ/mol 336.80 NIST
ΔsubH 199.60 ± 7.50 kJ/mol 341.50 NIST
ΔvapH [114.50; 143.70] kJ/mol [298.00; 573.50] Show Hide
ΔvapH 143.70 kJ/mol 298.00 Vapor P...
ΔvapH 125.50 kJ/mol 392.00 NIST
ΔvapH 114.50 kJ/mol 573.50 NIST

Correlations

Property Value Unit Temperature (K) Source
Pvap [1.33; 202.63] kPa [538.92; 692.23] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.85579e+01
Coefficient B-7.38557e+03
Coefficient C-1.34680e+02
Temperature range, min.538.92
Temperature range, max.692.23
Pvap 1.33 kPa 538.92 Calculated Property
Pvap 2.79 kPa 555.95 Calculated Property
Pvap 5.52 kPa 572.99 Calculated Property
Pvap 10.36 kPa 590.02 Calculated Property
Pvap 18.60 kPa 607.06 Calculated Property
Pvap 32.05 kPa 624.09 Calculated Property
Pvap 53.24 kPa 641.13 Calculated Property
Pvap 85.57 kPa 658.16 Calculated Property
Pvap 133.48 kPa 675.20 Calculated Property
Pvap 202.63 kPa 692.23 Calculated Property

Similar Compounds

Docosanoic acid. Dodecanoic acid. Octadecanoic acid. Heptadecanoic acid. n-Hexadecanoic acid. Nonadecanoic acid. Nonanoic acid. Undecanoic acid. Pentadecanoic acid. Tricosanoic acid. n-Decanoic acid. Octacosanoic acid. Hexacosanoic acid. Tetradecanoic acid. Octanoic acid.

Find more compounds similar to Eicosanoic acid.

Sources

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