Chemical Properties of Octanoic acid (CAS 124-07-2)

Octanoic acid

InChI
InChI=1S/C8H16O2/c1-2-3-4-5-6-7-8(9)10/h2-7H2,1H3,(H,9,10)
InChI Key
WWZKQHOCKIZLMA-UHFFFAOYSA-N
Formula
C8H16O2
SMILES
CCCCCCCC(=O)O
Molecular Weight1
144.21
CAS
124-07-2
Other Names
  • 1-Octanoic acid
  • 1-heptanecarboxylic acid
  • C-8 Acid
  • Emery 657
  • Enantic acid
  • Heptane-1-carboxylic acid
  • Hexacid 898
  • Kyselina kaprylova
  • Lunac 8-95
  • NSC 5024
  • Neo-Fat 8
  • Octic acid
  • Octoic acid
  • Octylic acid
  • Prifac 2901
  • Prifrac 2901
  • caprylic acid
  • n-Caprylic acid
  • n-Octanoic acid
  • n-Octoic acid
  • n-Octylic acid
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Physical Properties

Property Value Unit Source
ω 0.7585 Relay (1.0) Calculated Property
Δcliquid [-4799.90; -4797.92] kJ/mol Show Hide
Δcliquid -4799.90 ± 0.80 kJ/mol NIST
Δcliquid -4797.92 ± 0.54 kJ/mol NIST
Δf -327.43 kJ/mol Joback Calculated Property
Δfgas [-556.60; -554.00] kJ/mol Show Hide
Δfgas -554.50 ± 1.30 kJ/mol NIST
Δfgas -556.60 kJ/mol NIST
Δfgas -554.00 ± 1.10 kJ/mol NIST
Δfgas -556.60 ± 1.10 kJ/mol NIST
Δfliquid [-636.89; -634.80] kJ/mol Show Hide
Δfliquid -634.80 ± 0.80 kJ/mol NIST
Δfliquid -636.89 ± 0.54 kJ/mol NIST
Δfus 26.62 kJ/mol Joback Calculated Property
Δsub 113.00 ± 6.00 kJ/mol NIST
Δvap [80.30; 82.90] kJ/mol Show Hide
Δvap 81.00 ± 0.60 kJ/mol NIST
Δvap 81.20 kJ/mol NIST
Δvap 82.90 ± 1.00 kJ/mol NIST
Δvap 82.90 ± 1.00 kJ/mol NIST
Δvap 80.30 kJ/mol NIST
IE 10.06 eV Relay (1.0) Calculated Property
log10WS -2.30 Aq. Solubility Prediction
logPoct/wat 2.432 Crippen Calculated Property
McVol 131.020 ml/mol McGowan Calculated Property
Pc [2565.44; 2869.00] kPa Show Hide
Pc 2640.00 kPa KDB
Pc 2869.00 ± 60.00 kPa NIST
Pc 2700.00 ± 250.00 kPa NIST
Pc 2565.44 ± 90.00 kPa NIST
Inp [196.60; 1226.00]   Show Hide
Inp 1175.00 NIST
Inp 1165.00 NIST
Inp 1194.00 NIST
Inp 1197.00 NIST
Inp 1191.00 NIST
Inp 1203.00 NIST
Inp 1200.00 NIST
Inp 1178.00 NIST
Inp 1182.00 NIST
Inp 1175.90 NIST
Inp 1190.00 NIST
Inp 1154.00 NIST
Inp 1186.00 NIST
Inp 1156.00 NIST
Inp 1156.00 NIST
Inp 1186.00 NIST
Inp 1183.00 NIST
Inp 1180.00 NIST
Inp 1178.00 NIST
Inp 1193.00 NIST
Inp 1187.00 NIST
Inp 1179.00 NIST
Inp 1170.00 NIST
Inp 1167.00 NIST
Inp 1180.00 NIST
Inp 1192.00 NIST
Inp 1190.00 NIST
Inp 1166.00 NIST
Inp 1183.00 NIST
Inp 1182.00 NIST
Inp 1186.00 NIST
Inp 1181.00 NIST
Inp 1188.00 NIST
Inp 1169.50 NIST
Inp 1201.70 NIST
Inp 1169.00 NIST
Inp 1180.00 NIST
Inp 1180.00 NIST
Inp 1162.00 NIST
Inp 1187.00 NIST
Inp 1187.00 NIST
Inp 1184.00 NIST
Inp 1142.00 NIST
Inp 1176.00 NIST
Inp 1178.00 NIST
Inp 1174.00 NIST
Inp 1174.00 NIST
Inp 1190.00 NIST
Inp 1179.00 NIST
Inp 1170.00 NIST
Inp 1176.00 NIST
Inp 1226.00 NIST
Inp 1180.00 NIST
Inp 1182.00 NIST
Inp 1179.00 NIST
Inp 1166.00 NIST
Inp 1203.00 NIST
Inp 1203.00 NIST
Inp 1180.00 NIST
Inp 1192.00 NIST
Inp 1160.00 NIST
Inp 1158.00 NIST
Inp 1218.00 NIST
Inp 1171.00 NIST
Inp 1182.00 NIST
Inp 1185.00 NIST
Inp 1185.00 NIST
Inp 1179.00 NIST
Inp 1199.00 NIST
Inp 1156.00 NIST
Inp 1169.00 NIST
Inp 1167.00 NIST
Inp 1180.00 NIST
Inp 1186.00 NIST
Inp 1183.00 NIST
Inp 1186.00 NIST
Inp 1165.00 NIST
Inp 1150.00 NIST
Inp 1214.00 NIST
Inp 1165.00 NIST
Inp 1162.00 NIST
Inp 1189.00 NIST
Inp 1189.00 NIST
Inp 1177.00 NIST
Inp 1183.00 NIST
Inp 1158.00 NIST
Inp 1209.00 NIST
Inp 1157.00 NIST
Inp 1180.00 NIST
Inp 1152.00 NIST
Inp 1172.00 NIST
Inp 1157.00 NIST
Inp 1173.00 NIST
Inp 1181.00 NIST
Inp 1173.00 NIST
Inp 1147.00 NIST
Inp 1175.00 NIST
Inp 1166.00 NIST
Inp 1174.00 NIST
Inp 1170.00 NIST
Inp 1201.00 NIST
Inp 1188.00 NIST
Inp 1164.00 NIST
Inp 1189.00 NIST
Inp 1161.00 NIST
Inp 1180.00 NIST
Inp 1164.00 NIST
Inp 1197.00 NIST
Inp 1200.00 NIST
Inp 1161.00 NIST
Inp 1161.00 NIST
Inp 1200.00 NIST
Inp 1180.00 NIST
Inp 1175.00 NIST
Inp 1179.00 NIST
Inp 1175.00 NIST
Inp 1200.00 NIST
Inp 1179.00 NIST
Inp 1179.00 NIST
Inp 1190.00 NIST
Inp 1200.00 NIST
Inp 1200.00 NIST
Inp 1180.00 NIST
Inp 1188.00 NIST
Inp 1157.00 NIST
Inp 1153.00 NIST
Inp 1172.00 NIST
Inp 1158.00 NIST
Inp 1175.00 NIST
Inp 1175.00 NIST
Inp 1180.00 NIST
Inp 1170.00 NIST
Inp Outlier 198.43 NIST
Inp Outlier 196.60 NIST
Inp Outlier 198.43 NIST
I [2011.00; 2106.00]   Show Hide
I 2070.00 NIST
I 2050.00 NIST
I 2046.00 NIST
I 2055.00 NIST
I 2028.00 NIST
I 2067.00 NIST
I 2039.00 NIST
I 2050.00 NIST
I 2070.00 NIST
I 2072.00 NIST
I 2086.00 NIST
I 2089.00 NIST
I 2060.00 NIST
I 2038.00 NIST
I 2024.00 NIST
I 2068.00 NIST
I Outlier 2013.00 NIST
I 2051.00 NIST
I 2084.00 NIST
I 2052.00 NIST
I 2068.00 NIST
I 2083.00 NIST
I 2052.00 NIST
I 2068.00 NIST
I 2022.00 NIST
I 2030.00 NIST
I 2069.00 NIST
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I 2046.00 NIST
I 2034.00 NIST
I 2083.00 NIST
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I 2068.00 NIST
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I 2034.00 NIST
I 2091.00 NIST
I 2082.00 NIST
I 2075.00 NIST
I 2030.00 NIST
I 2044.00 NIST
I 2042.00 NIST
I 2048.00 NIST
I 2028.00 NIST
I 2069.00 NIST
I 2022.00 NIST
I 2065.00 NIST
I 2084.00 NIST
I 2083.00 NIST
I 2083.00 NIST
I Outlier 2106.00 NIST
I 2061.00 NIST
I 2083.00 NIST
I 2083.00 NIST
I 2083.00 NIST
I 2033.00 NIST
I 2059.00 NIST
I 2060.00 NIST
I 2062.00 NIST
I 2062.00 NIST
I 2048.00 NIST
I 2063.00 NIST
I 2075.00 NIST
I 2056.00 NIST
I 2050.00 NIST
I 2035.00 NIST
I 2039.00 NIST
I 2040.00 NIST
I 2035.00 NIST
I 2053.00 NIST
I 2034.00 NIST
I 2060.00 NIST
I 2060.00 NIST
I 2051.00 NIST
I 2060.00 NIST
I 2064.00 NIST
I 2072.00 NIST
I Outlier 2104.00 NIST
I 2060.00 NIST
I 2041.00 NIST
I 2066.00 NIST
I 2024.00 NIST
I 2067.00 NIST
I 2050.00 NIST
I 2039.00 NIST
I 2057.00 NIST
I 2050.00 NIST
I 2076.00 NIST
I 2086.00 NIST
I 2096.00 NIST
I 2098.00 NIST
I 2051.00 NIST
I 2050.00 NIST
I 2054.00 NIST
I 2068.00 NIST
I 2069.00 NIST
I 2067.00 NIST
I 2042.00 NIST
I 2075.00 NIST
I 2060.00 NIST
I 2060.00 NIST
I 2083.00 NIST
I 2050.00 NIST
I 2060.00 NIST
I 2091.00 NIST
I Outlier 2104.00 NIST
I 2049.00 NIST
I 2059.00 NIST
I 2084.00 NIST
I 2079.00 NIST
I 2047.00 NIST
I 2056.00 NIST
I 2085.00 NIST
I 2062.00 NIST
I 2070.00 NIST
I 2070.00 NIST
I 2076.00 NIST
I 2070.00 NIST
I 2098.00 NIST
I 2060.00 NIST
I 2075.00 NIST
I 2089.00 NIST
I 2068.00 NIST
I 2056.00 NIST
I 2058.00 NIST
I 2063.00 NIST
I 2097.00 NIST
I 2054.00 NIST
I 2064.00 NIST
I 2065.00 NIST
I 2046.00 NIST
I 2089.00 NIST
I 2096.00 NIST
I 2048.00 NIST
I 2047.00 NIST
I 2083.00 NIST
I 2083.00 NIST
I 2062.00 NIST
I 2044.00 NIST
I Outlier 2011.00 NIST
I 2047.00 NIST
I 2050.00 NIST
I 2047.00 NIST
I 2051.00 NIST
I 2035.00 NIST
I 2050.00 NIST
I 2067.00 NIST
I 2037.00 NIST
I 2037.00 NIST
I 2084.00 NIST
I 2084.00 NIST
I 2084.00 NIST
I 2084.00 NIST
I 2060.00 NIST
I 2060.00 NIST
I 2065.00 NIST
I 2062.00 NIST
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I 2040.00 NIST
I 2023.00 NIST
I 2055.00 NIST
I 2040.00 NIST
I 2059.00 NIST
I 2063.00 NIST
I 2072.00 NIST
I 2022.00 NIST
I 2071.00 NIST
I 2075.00 NIST
I 2073.00 NIST
I 2096.00 NIST
I Outlier 2013.00 NIST
I Outlier 2014.00 NIST
I Outlier 2017.00 NIST
I 2085.00 NIST
I 2096.00 NIST
I Outlier 2013.00 NIST
I 2053.00 NIST
I 2031.00 NIST
I 2096.00 NIST
I Outlier 2013.00 NIST
I 2061.00 NIST
I Outlier 2011.00 NIST
I 2072.00 NIST
I Outlier 2011.00 NIST
I 2100.00 NIST
I 2070.00 NIST
I 2055.00 NIST
I 2064.00 NIST
I 2092.00 NIST
I 2096.00 NIST
I 2071.00 NIST
I 2053.00 NIST
I 2088.00 NIST
I 2069.00 NIST
I 2058.00 NIST
I 2084.00 NIST
I 2092.00 NIST
I 2051.00 NIST
I 2083.00 NIST
I 2050.00 NIST
I 2083.00 NIST
I 2087.00 NIST
I 2083.00 NIST
I 2021.00 NIST
I 2055.00 NIST
I 2032.00 NIST
I 2073.00 NIST
I 2097.00 NIST
I 2068.00 NIST
I 2036.00 NIST
I 2036.00 NIST
I 2063.00 NIST
I 2035.00 NIST
I 2038.00 NIST
I 2084.00 NIST
I 2022.00 NIST
I 2025.00 NIST
I 2084.00 NIST
I 2084.00 NIST
I 2084.00 NIST
I 2084.00 NIST
I 2089.00 NIST
I 2072.00 NIST
I 2073.00 NIST
I 2084.00 NIST
I 2084.00 NIST
I 2050.00 NIST
I 2049.00 NIST
I 2080.00 NIST
I 2084.00 NIST
I 2043.00 NIST
I 2084.00 NIST
I 2084.00 NIST
I 2065.00 NIST
I 2050.00 NIST
I 2050.00 NIST
I 2084.00 NIST
I 2084.00 NIST
I 2024.00 NIST
I 2084.00 NIST
I 2051.00 NIST
I 2044.00 NIST
I 2066.00 NIST
I 2042.00 NIST
I 2091.00 NIST
I 2025.00 NIST
I 2076.00 NIST
I 2029.00 NIST
I 2072.00 NIST
I 2036.00 NIST
I 2050.00 NIST
I 2046.00 NIST
I 2060.00 NIST
I 2051.00 NIST
I 2052.00 NIST
I 2072.00 NIST
I 2068.00 NIST
I 2075.00 NIST
I 2028.00 NIST
I 2083.00 NIST
I 2062.00 NIST
I 2056.00 NIST
I 2035.00 NIST
Tboil [222.50; 512.50] K Show Hide
Tboil 512.00 K KDB
Tboil 510.20 K NIST
Tboil 512.50 K NIST
Tboil 512.05 ± 1.00 K NIST
Tboil 511.05 ± 1.00 K NIST
Tboil 510.65 ± 2.00 K NIST
Tboil 504.15 ± 4.00 K NIST
Tboil 512.15 ± 2.00 K NIST
Tboil 510.85 ± 1.50 K NIST
Tboil 509.15 ± 2.00 K NIST
Tboil 511.65 ± 2.00 K NIST
Tboil 510.15 ± 3.00 K NIST
Tboil 512.15 ± 3.00 K NIST
Tboil 510.15 ± 3.00 K NIST
Tboil 507.15 ± 4.00 K NIST
Tboil Outlier 222.50 ± 10.00 K NIST
Tboil 408.80 ± 3.00 K NIST
Tboil 512.45 ± 1.00 K NIST
Tboil 510.00 ± 3.00 K NIST
Tboil 510.65 ± 2.00 K NIST
Tboil 509.00 ± 4.00 K NIST
Tboil 510.65 ± 3.00 K NIST
Tboil 509.00 ± 4.00 K NIST
Tboil 509.65 ± 4.00 K NIST
Tboil 506.15 ± 4.00 K NIST
Tc [693.00; 697.20] K Show Hide
Tc 695.00 K KDB
Tc 693.00 ± 1.00 K NIST
Tc 694.00 ± 1.50 K NIST
Tc 697.20 ± 3.00 K NIST
Tfus [288.65; 289.86] K Show Hide
Tfus 289.86 K High pressure solid liquid equilibria of fatty acids
Tfus 289.63 K The solid liquid phase diagrams of binary mixtures of even saturated fatty acids differing by six carbon atoms
Tfus 289.40 K KDB
Tfus 289.61 K Aq. Solubility Prediction
Tfus 289.70 ± 0.05 K NIST
Tfus 289.70 ± 0.50 K NIST
Tfus Outlier 288.65 ± 1.50 K NIST
Tfus 289.00 ± 1.50 K NIST
Tfus 289.25 ± 0.50 K NIST
Tfus 289.50 ± 0.20 K NIST
Ttriple [289.66; 289.66] K Show Hide
Ttriple 289.66 ± 0.02 K NIST
Ttriple 289.66 ± 0.02 K NIST
Vc 0.505 m3/kmol Relay (1.0) Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [311.95; 375.60] J/mol×K [528.15; 713.06] Show Hide
Cp,gas 311.95 J/mol×K 528.15 Joback Calculated Property
Cp,gas 323.90 J/mol×K 558.97 Joback Calculated Property
Cp,gas 335.29 J/mol×K 589.79 Joback Calculated Property
Cp,gas 346.13 J/mol×K 620.60 Joback Calculated Property
Cp,gas 356.45 J/mol×K 651.42 Joback Calculated Property
Cp,gas 366.27 J/mol×K 682.24 Joback Calculated Property
Cp,gas 375.60 J/mol×K 713.06 Joback Calculated Property
Cp,liquid [297.92; 304.60] J/mol×K [298.15; 305.00] Show Hide
Cp,liquid 297.92 J/mol×K 298.15 NIST
Cp,liquid 304.60 J/mol×K 305.00 NIST
η [0.0002608; 0.0017647] Pa×s [340.52; 528.15] Show Hide
η 0.0017647 Pa×s 340.52 Joback Calculated Property
η 0.0011222 Pa×s 371.79 Joback Calculated Property
η 0.0007656 Pa×s 403.06 Joback Calculated Property
η 0.0005518 Pa×s 434.34 Joback Calculated Property
η 0.0004157 Pa×s 465.61 Joback Calculated Property
η 0.0003245 Pa×s 496.88 Joback Calculated Property
η 0.0002608 Pa×s 528.15 Joback Calculated Property
ΔfusH [21.38; 21.38] kJ/mol [289.50; 289.70] Show Hide
ΔfusH 21.38 kJ/mol 289.50 NIST
ΔfusH 21.38 kJ/mol 289.70 NIST
ΔvapH [66.60; 85.30] kJ/mol [290.00; 465.50] Show Hide
ΔvapH 80.00 kJ/mol 290.00 NIST
ΔvapH 85.30 kJ/mol 313.50 NIST
ΔvapH 79.80 ± 0.60 kJ/mol 320.00 NIST
ΔvapH 70.00 kJ/mol 407.00 NIST
ΔvapH 74.40 kJ/mol 436.00 NIST
ΔvapH 66.60 kJ/mol 465.50 NIST
ρl [799.20; 910.30] kg/m3 [290.30; 427.70] Show Hide
ρl 910.30 kg/m3 290.30 Density, Viscosity, and Thermal Conductivity of Eight Carboxylic Acids from (290.3 to 473.4) K
ρl 910.00 kg/m3 298.15 Physico-Chemical Properties of Non-Newtonian Shear Thickening Diisopropyl-ethylammonium-Based Protic Ionic Liquids and Their Mixtures with Water and Acetonitrile
ρl 906.00 kg/m3 298.15 Liquid-liquid equilibria and density data for pseudoternary systems of refined soybean oil + (hexanal, or heptanal, or butyric acid, or valeric acid, or caproic acid, or caprylic acid) + dimethyl sulfoxide at 298.15 K
ρl 906.02 kg/m3 298.15 Excess molar enthalpies of binary systems containing 2-octanone, hexanoic acid, or octanoic acid at T = 298.15 K
ρl 898.20 kg/m3 308.00 Density, Viscosity, and Thermal Conductivity of Eight Carboxylic Acids from (290.3 to 473.4) K
ρl 885.90 kg/m3 323.10 Density, Viscosity, and Thermal Conductivity of Eight Carboxylic Acids from (290.3 to 473.4) K
ρl 873.80 kg/m3 338.10 Density, Viscosity, and Thermal Conductivity of Eight Carboxylic Acids from (290.3 to 473.4) K
ρl 861.80 kg/m3 353.10 Density, Viscosity, and Thermal Conductivity of Eight Carboxylic Acids from (290.3 to 473.4) K
ρl 849.70 kg/m3 367.80 Density, Viscosity, and Thermal Conductivity of Eight Carboxylic Acids from (290.3 to 473.4) K
ρl 837.20 kg/m3 383.10 Density, Viscosity, and Thermal Conductivity of Eight Carboxylic Acids from (290.3 to 473.4) K
ρl 824.60 kg/m3 398.10 Density, Viscosity, and Thermal Conductivity of Eight Carboxylic Acids from (290.3 to 473.4) K
ρl 812.30 kg/m3 412.90 Density, Viscosity, and Thermal Conductivity of Eight Carboxylic Acids from (290.3 to 473.4) K
ρl 799.20 kg/m3 427.70 Density, Viscosity, and Thermal Conductivity of Eight Carboxylic Acids from (290.3 to 473.4) K
ΔfusS 73.90 J/mol×K 289.50 NIST

Pressure Dependent Properties

Property Value Unit Pressure (kPa) Source
Tboil 417.19 K 3.47 Improving a variation of the DSC technique for measuring the boiling points of pure compounds at low pressures

Correlations

Property Value Unit Temperature (K) Source
Pvap [1.33; 202.65] kPa [396.74; 537.04] The Yaws Handbook of Vapor Pressure Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.55313e+01
Coefficient B-4.35069e+03
Coefficient C-1.11329e+02
Temperature range, min.396.74
Temperature range, max.537.04
Pvap 1.33 kPa 396.74 Calculated Property
Pvap 2.94 kPa 412.33 Calculated Property
Pvap 5.98 kPa 427.92 Calculated Property
Pvap 11.40 kPa 443.51 Calculated Property
Pvap 20.51 kPa 459.10 Calculated Property
Pvap 35.08 kPa 474.68 Calculated Property
Pvap 57.41 kPa 490.27 Calculated Property
Pvap 90.37 kPa 505.86 Calculated Property
Pvap 137.42 kPa 521.45 Calculated Property
Pvap 202.65 kPa 537.04 Calculated Property
Pvap [1.52e-04; 2722.85] kPa [289.65; 692.00] KDB Vapor Pressure Data Show Hide
Equationln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A2.33561e+02
Coefficient B-1.92069e+04
Coefficient C-3.12560e+01
Coefficient D1.35849e-05
Temperature range, min.289.65
Temperature range, max.692.00
Pvap 1.52e-04 kPa 289.65 Calculated Property
Pvap 0.02 kPa 334.36 Calculated Property
Pvap 0.47 kPa 379.06 Calculated Property
Pvap 4.97 kPa 423.77 Calculated Property
Pvap 28.09 kPa 468.47 Calculated Property
Pvap 105.04 kPa 513.18 Calculated Property
Pvap 296.88 kPa 557.88 Calculated Property
Pvap 694.32 kPa 602.59 Calculated Property
Pvap 1431.57 kPa 647.29 Calculated Property
Pvap 2722.85 kPa 692.00 Calculated Property

Similar Compounds

Eicosanoic acid. Heneicosanoic acid. Nonanoic acid. Dodecanoic acid. Docosanoic acid. Tetradecanoic acid. Nonadecanoic acid. n-Hexadecanoic acid. Melissic acid. Hexacosanoic acid. Heptadecanoic acid. Undecanoic acid. N-TRIDECANOIC ACID. Pentadecanoic acid. n-Decanoic acid.

Find more compounds similar to Octanoic acid.

Mixtures

Sources

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