- 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
- ω : Acentric Factor.
- ΔcH°liquid : Standard liquid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- μ : Dipole Moment (debye).
- η : Dynamic viscosity (Pa×s).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°liquid : Liquid phase enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔsubH° : Enthalpy of sublimation at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Ptriple : Triple Point Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- ρl : Liquid Density (kg/m3).
- Inp : Non-polar retention indices.
- I : Polar retention indices.
- ΔfusS : Entropy of fusion at a given temperature (J/mol×K).
- γ : Surface Tension (N/m).
- Tboil : Normal Boiling Point Temperature (K).
- Tboil : Boiling point at given pressure (K).
- Tc : Critical Temperature (K).
- λ : Gas thermal conductivity (W/m×K).
- λ : Liquid thermal conductivity (W/m×K).
- Tfus : Normal melting (fusion) point (K).
- Ttriple : Triple Point Temperature (K).
- UQi : UNIQUAC Qi Parameter.
- URi : UNIQUAC Ri Parameter.
- Vc : Critical Volume (m3/kmol).
- Zc : Critical Compressibility.
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.7734 | ChemSep v8.3 pure component data | |
| ΔcH°liquid | [-4799.90; -4797.92] | kJ/mol |
|
| ΔcH°liquid | -4799.90 ± 0.80 | kJ/mol | NIST |
| ΔcH°liquid | -4797.92 ± 0.54 | kJ/mol | NIST |
| μ | 1.70 | debye | ChemSep v8.3 pure component data |
| ΔfG° | -325.00 | kJ/mol | ChemSep v8.3 pure component data |
| ΔfH°gas | [-556.60; -554.00] | kJ/mol |
|
| ΔfH°gas | -556.00 | kJ/mol | ChemSep v8.3 pure component data |
| ΔfH°gas | -554.50 ± 1.30 | kJ/mol | NIST |
| ΔfH°gas | -556.60 | kJ/mol | NIST |
| ΔfH°gas | -554.00 ± 1.10 | kJ/mol | NIST |
| ΔfH°gas | -556.60 ± 1.10 | kJ/mol | NIST |
| ΔfH°liquid | [-636.89; -634.80] | kJ/mol |
|
| ΔfH°liquid | -634.80 ± 0.80 | kJ/mol | NIST |
| ΔfH°liquid | -636.89 ± 0.54 | kJ/mol | NIST |
| ΔfusH° | 26.62 | kJ/mol | Joback Calculated Property |
| ΔsubH° | 113.00 ± 6.00 | kJ/mol | NIST |
| ΔvapH° | [80.30; 82.90] | kJ/mol |
|
| ΔvapH° | 81.00 ± 0.60 | kJ/mol | NIST |
| ΔvapH° | 81.20 | kJ/mol | NIST |
| ΔvapH° | 82.90 ± 1.00 | kJ/mol | NIST |
| ΔvapH° | 82.90 ± 1.00 | kJ/mol | NIST |
| ΔvapH° | 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 |
|
| Pc | 2779.00 | kPa | ChemSep v8.3 pure component data |
| 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 |
| Ptriple | 2.76e-04 | kPa | ChemSep v8.3 pure component data |
| Inp | [196.60; 1226.00] |
|
|
| 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] |
|
|
| 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 | |
| I | 2072.00 | NIST | |
| I | 2046.00 | NIST | |
| I | 2034.00 | NIST | |
| I | 2083.00 | NIST | |
| I | 2045.00 | NIST | |
| I | 2068.00 | NIST | |
| I | 2054.00 | NIST | |
| 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 | |
| I | 2050.00 | NIST | |
| 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; 512.85] | K |
|
| Tboil | 512.85 | K | ChemSep v8.3 pure component data |
| 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 |
|
| Tc | 694.26 | K | ChemSep v8.3 pure component data |
| 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 |
|
| 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 | 289.65 | K | ChemSep v8.3 pure component data |
| 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 | [289.65; 289.66] | K |
|
| Ttriple | 289.65 | K | ChemSep v8.3 pure component data |
| Ttriple | 289.66 ± 0.02 | K | NIST |
| Ttriple | 289.66 ± 0.02 | K | NIST |
| UQi | 5.31 | ChemSep v8.3 pure component data | |
| URi | 6.25 | ChemSep v8.3 pure component data | |
| Vc | 0.523 | m3/kmol | ChemSep v8.3 pure component data |
| Zc | 0.2520000 | ChemSep v8.3 pure component data |
Temperature Dependent Properties
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 |
|---|---|---|---|---|
| Cp,gas | [206.52; 504.11] | J/mol×K | [298.15; 1500.00] |
ChemSep v8.3 pure component data
|
| Equation | Y = A + B·((C/T)/sinh(C/T))² + D·((E/T)/cosh(E/T))² Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 1.40820e+02 | |||
| Coefficient B | 4.34360e+02 | |||
| Coefficient C | 1.46620e+03 | |||
| Coefficient D | 2.76870e+02 | |||
| Coefficient E | 6.59380e+02 | |||
| Comment | ChemSep eq 107, IdealGasHeatCapacityCp | |||
| Temperature range, min. | 298.15 | |||
| Temperature range, max. | 1500.00 | |||
| Cp,gas | 206.52 | J/mol×K | 298.15 | Calculated Property |
| Cp,gas | 274.41 | J/mol×K | 431.69 | Calculated Property |
| Cp,gas | 328.30 | J/mol×K | 565.23 | Calculated Property |
| Cp,gas | 372.14 | J/mol×K | 698.77 | Calculated Property |
| Cp,gas | 407.87 | J/mol×K | 832.31 | Calculated Property |
| Cp,gas | 436.60 | J/mol×K | 965.84 | Calculated Property |
| Cp,gas | 459.51 | J/mol×K | 1099.38 | Calculated Property |
| Cp,gas | 477.76 | J/mol×K | 1232.92 | Calculated Property |
| Cp,gas | 492.35 | J/mol×K | 1366.46 | Calculated Property |
| Cp,gas | 504.11 | J/mol×K | 1500.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,liquid | [293.26; 463.58] | J/mol×K | [289.65; 512.85] |
ChemSep v8.3 pure component data
|
| Equation | Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,liquid in J/mol×K, T in K | |||
| Coefficient A | 2.05260e+02 | |||
| Coefficient B | 4.43920e-02 | |||
| Coefficient C | 8.95600e-04 | |||
| Coefficient D | 0.00000e+00 | |||
| Coefficient E | 0.00000e+00 | |||
| Comment | ChemSep eq 100, LiquidHeatCapacityCp | |||
| Temperature range, min. | 289.65 | |||
| Temperature range, max. | 512.85 | |||
| Cp,liquid | 293.26 | J/mol×K | 289.65 | Calculated Property |
| Cp,liquid | 307.77 | J/mol×K | 314.45 | Calculated Property |
| Cp,liquid | 323.40 | J/mol×K | 339.25 | Calculated Property |
| Cp,liquid | 340.12 | J/mol×K | 364.05 | Calculated Property |
| Cp,liquid | 357.94 | J/mol×K | 388.85 | Calculated Property |
| Cp,liquid | 376.87 | J/mol×K | 413.65 | Calculated Property |
| Cp,liquid | 396.89 | J/mol×K | 438.45 | Calculated Property |
| Cp,liquid | 418.02 | J/mol×K | 463.25 | Calculated Property |
| Cp,liquid | 440.25 | J/mol×K | 488.05 | Calculated Property |
| Cp,liquid | 463.58 | J/mol×K | 512.85 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| η | [0.0066518; 0.0003576] | Pa×s | [289.65; 512.85] |
ChemSep v8.3 pure component data
|
| Equation | Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K | |||
| Coefficient A | -6.07950e+01 | |||
| Coefficient B | 4.61780e+03 | |||
| Coefficient C | 7.02800e+00 | |||
| Coefficient D | 0.00000e+00 | |||
| Coefficient E | 0.00000e+00 | |||
| Comment | ChemSep eq 101, LiquidViscosity | |||
| Temperature range, min. | 289.65 | |||
| Temperature range, max. | 512.85 | |||
| η | 0.0066518 | Pa×s | 289.65 | Calculated Property |
| η | 0.0033699 | Pa×s | 314.45 | Calculated Property |
| η | 0.0019637 | Pa×s | 339.25 | Calculated Property |
| η | 0.0012756 | Pa×s | 364.05 | Calculated Property |
| η | 0.0009027 | Pa×s | 388.85 | Calculated Property |
| η | 0.0006840 | Pa×s | 413.65 | Calculated Property |
| η | 0.0005477 | Pa×s | 438.45 | Calculated Property |
| η | 0.0004588 | Pa×s | 463.25 | Calculated Property |
| η | 0.0003988 | Pa×s | 488.05 | Calculated Property |
| η | 0.0003576 | Pa×s | 512.85 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔvapH | [79.67; 0.00] | kJ/mol | [289.65; 694.26] |
ChemSep v8.3 pure component data
|
| Equation | Y = A·(1 − Tr)^(B + C·Tr + D·Tr² + E·Tr³), Tr = T/Tc Y is ΔvapH in kJ/mol, T in K | |||
| Coefficient A | 1.26260e+02 | |||
| Coefficient B | 1.17530e+00 | |||
| Coefficient C | -8.35000e-01 | |||
| Coefficient D | 1.48900e-01 | |||
| Coefficient E | 0.00000e+00 | |||
| Critical temperature, Tc (K) | 6.94260e+02 | |||
| Comment | ChemSep eq 106, HeatOfVaporization | |||
| Temperature range, min. | 289.65 | |||
| Temperature range, max. | 694.26 | |||
| ΔvapH | 79.67 | kJ/mol | 289.65 | Calculated Property |
| ΔvapH | 74.24 | kJ/mol | 334.61 | Calculated Property |
| ΔvapH | 69.02 | kJ/mol | 379.56 | Calculated Property |
| ΔvapH | 63.90 | kJ/mol | 424.52 | Calculated Property |
| ΔvapH | 58.73 | kJ/mol | 469.48 | Calculated Property |
| ΔvapH | 53.31 | kJ/mol | 514.43 | Calculated Property |
| ΔvapH | 47.30 | kJ/mol | 559.39 | Calculated Property |
| ΔvapH | 40.09 | kJ/mol | 604.35 | Calculated Property |
| ΔvapH | 30.04 | kJ/mol | 649.30 | Calculated Property |
| ΔvapH | 0.00 | kJ/mol | 694.26 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.65] | kPa | [396.74; 537.04] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.55313e+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 | [2.76e-04; 2781.18] | kPa | [289.65; 694.26] |
ChemSep v8.3 pure component data
|
| Equation | Y = exp(A + B/T + C·ln(T) + D·T^E) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.09572e+02 | |||
| Coefficient B | -1.33000e+04 | |||
| Coefficient C | -1.26750e+01 | |||
| Coefficient D | 3.98340e-18 | |||
| Coefficient E | 6.00000e+00 | |||
| Comment | ChemSep eq 101, VaporPressure | |||
| Temperature range, min. | 289.65 | |||
| Temperature range, max. | 694.26 | |||
| Pvap | 2.76e-04 | kPa | 289.65 | Calculated Property |
| Pvap | 0.02 | kPa | 334.61 | Calculated Property |
| Pvap | 0.48 | kPa | 379.56 | Calculated Property |
| Pvap | 4.81 | kPa | 424.52 | Calculated Property |
| Pvap | 27.49 | kPa | 469.48 | Calculated Property |
| Pvap | 105.80 | kPa | 514.43 | Calculated Property |
| Pvap | 306.62 | kPa | 559.39 | Calculated Property |
| Pvap | 725.24 | kPa | 604.35 | Calculated Property |
| Pvap | 1488.04 | kPa | 649.30 | Calculated Property |
| Pvap | 2781.18 | kPa | 694.26 | Calculated Property |
| Pvap | [1.52e-04; 2722.85] | kPa | [289.65; 692.00] |
KDB Vapor Pressure Data
|
| Equation | ln(Y) = A + B/T + C·ln(T) + D·T² + E/T² Y is Pvap in kPa, T in K | |||
| Coefficient A | 2.33561e+02 | |||
| Coefficient B | -1.92069e+04 | |||
| Coefficient C | -3.12560e+01 | |||
| Coefficient D | 1.35849e-05 | |||
| Coefficient E | 0.00000e+00 | |||
| 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 |
| Pvap | [1.61; 40.36] | kPa | [403.30; 479.50] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.43966e+01 | |||
| Coefficient B | -3.52398e+03 | |||
| Coefficient C | -1.50120e+02 | |||
| Reference | Rose, Acciarri, et al., 1957 | |||
| Comment | Coefficents calculated by NIST from author's data. | |||
| Temperature range, min. | 403.30 | |||
| Temperature range, max. | 479.50 | |||
| Pvap | 1.61 | kPa | 403.30 | Calculated Property |
| Pvap | 2.53 | kPa | 411.77 | Calculated Property |
| Pvap | 3.86 | kPa | 420.23 | Calculated Property |
| Pvap | 5.74 | kPa | 428.70 | Calculated Property |
| Pvap | 8.33 | kPa | 437.17 | Calculated Property |
| Pvap | 11.84 | kPa | 445.63 | Calculated Property |
| Pvap | 16.51 | kPa | 454.10 | Calculated Property |
| Pvap | 22.60 | kPa | 462.57 | Calculated Property |
| Pvap | 30.43 | kPa | 471.03 | Calculated Property |
| Pvap | 40.36 | kPa | 479.50 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ρl | [910.07; 276.17] | kg/m3 | [289.65; 694.26] |
ChemSep v8.3 pure component data
|
| Equation | Y = A / B^(1 + (1 − T/C)^D) Y is ρl in kg/m3, T in K | |||
| Coefficient A | 6.95832e+01 | |||
| Coefficient B | 2.51960e-01 | |||
| Coefficient C | 6.94260e+02 | |||
| Coefficient D | 2.68420e-01 | |||
| Comment | ChemSep eq 105, LiquidDensity | |||
| Temperature range, min. | 289.65 | |||
| Temperature range, max. | 694.26 | |||
| ρl | 910.07 | kg/m3 | 289.65 | Calculated Property |
| ρl | 876.91 | kg/m3 | 334.61 | Calculated Property |
| ρl | 841.95 | kg/m3 | 379.56 | Calculated Property |
| ρl | 804.76 | kg/m3 | 424.52 | Calculated Property |
| ρl | 764.68 | kg/m3 | 469.48 | Calculated Property |
| ρl | 720.72 | kg/m3 | 514.43 | Calculated Property |
| ρl | 671.13 | kg/m3 | 559.39 | Calculated Property |
| ρl | 612.41 | kg/m3 | 604.35 | Calculated Property |
| ρl | 534.96 | kg/m3 | 649.30 | Calculated Property |
| ρl | 276.17 | kg/m3 | 694.26 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| γ | [0.03; 0.00] | N/m | [289.65; 694.26] |
ChemSep v8.3 pure component data
|
| Equation | Y = A·(1 − Tr)^(B + C·Tr + D·Tr² + E·Tr³), Tr = T/Tc Y is γ in N/m, T in K | |||
| Coefficient A | 5.55460e-02 | |||
| Coefficient B | 1.18190e+00 | |||
| Coefficient C | 0.00000e+00 | |||
| Coefficient D | 0.00000e+00 | |||
| Coefficient E | 0.00000e+00 | |||
| Critical temperature, Tc (K) | 6.94260e+02 | |||
| Comment | ChemSep eq 106, SurfaceTension | |||
| Temperature range, min. | 289.65 | |||
| Temperature range, max. | 694.26 | |||
| γ | 0.03 | N/m | 289.65 | Calculated Property |
| γ | 0.03 | N/m | 334.61 | Calculated Property |
| γ | 0.02 | N/m | 379.56 | Calculated Property |
| γ | 0.02 | N/m | 424.52 | Calculated Property |
| γ | 0.01 | N/m | 469.48 | Calculated Property |
| γ | 0.01 | N/m | 514.43 | Calculated Property |
| γ | 0.01 | N/m | 559.39 | Calculated Property |
| γ | 0.00 | N/m | 604.35 | Calculated Property |
| γ | 0.00 | N/m | 649.30 | Calculated Property |
| γ | 0.00 | N/m | 694.26 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| λ | [0.03; 0.04] | W/m×K | [512.85; 637.35] |
ChemSep v8.3 pure component data
|
| Equation | Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is λ in W/m×K, T in K | |||
| Coefficient A | -2.09730e-01 | |||
| Coefficient B | 1.22010e-03 | |||
| Coefficient C | -2.18430e-06 | |||
| Coefficient D | 1.39420e-09 | |||
| Coefficient E | 0.00000e+00 | |||
| Comment | ChemSep eq 100, VaporThermalConductivity | |||
| Temperature range, min. | 512.85 | |||
| Temperature range, max. | 637.35 | |||
| λ | 0.03 | W/m×K | 512.85 | Calculated Property |
| λ | 0.03 | W/m×K | 526.68 | Calculated Property |
| λ | 0.03 | W/m×K | 540.52 | Calculated Property |
| λ | 0.03 | W/m×K | 554.35 | Calculated Property |
| λ | 0.03 | W/m×K | 568.18 | Calculated Property |
| λ | 0.04 | W/m×K | 582.02 | Calculated Property |
| λ | 0.04 | W/m×K | 595.85 | Calculated Property |
| λ | 0.04 | W/m×K | 609.68 | Calculated Property |
| λ | 0.04 | W/m×K | 623.52 | Calculated Property |
| λ | 0.04 | W/m×K | 637.35 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| λ | [0.15; 0.10] | W/m×K | [289.65; 512.85] |
ChemSep v8.3 pure component data
|
| Equation | Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is λ in W/m×K, T in K | |||
| Coefficient A | 2.03000e-01 | |||
| Coefficient B | -2.00000e-04 | |||
| Coefficient C | 0.00000e+00 | |||
| Coefficient D | 0.00000e+00 | |||
| Coefficient E | 0.00000e+00 | |||
| Comment | ChemSep eq 100, LiquidThermalConductivity | |||
| Temperature range, min. | 289.65 | |||
| Temperature range, max. | 512.85 | |||
| λ | 0.15 | W/m×K | 289.65 | Calculated Property |
| λ | 0.14 | W/m×K | 314.45 | Calculated Property |
| λ | 0.14 | W/m×K | 339.25 | Calculated Property |
| λ | 0.13 | W/m×K | 364.05 | Calculated Property |
| λ | 0.13 | W/m×K | 388.85 | Calculated Property |
| λ | 0.12 | W/m×K | 413.65 | Calculated Property |
| λ | 0.12 | W/m×K | 438.45 | Calculated Property |
| λ | 0.11 | W/m×K | 463.25 | Calculated Property |
| λ | 0.11 | W/m×K | 488.05 | Calculated Property |
| λ | 0.10 | W/m×K | 512.85 | Calculated Property |
Similar Compounds
Find more compounds similar to Octanoic acid.
Mixtures
- Tripalmitin + Octanoic acid + 1-Hexanol
- 1-Propanol + Tripalmitin + Octanoic acid
- 2-Propanol + Tripalmitin + Octanoic acid
- Octanoic acid + Water
- cyclohexapentylose + Octanoic acid + Water
- Tetradecanoic acid + Octanoic acid
- Octanoic acid + 1-Hexanol
- Carbon dioxide + Octanoic acid
- Propane + Octanoic acid
Sources
- KDB Vapor Pressure Data
- Cheméo Relay (1.0)
- ChemSep v8.3 pure component data Converted from ChemSep v8.3 pure component data, H. Kooijman and R. Taylor (2021, 2022), Artistic License 2.0; see how the values differ.
- Crippen Method
- High pressure solid liquid equilibria of fatty acids
- Excess molar enthalpies of binary systems containing 2-octanone, hexanoic acid, or octanoic acid at T = 298.15 K
- Limiting diffusion coefficients of sodium octanoate, and octanoic acid in aqueous solutions without and with .alpha.-cyclodextrin
- Improving a variation of the DSC technique for measuring the boiling points of pure compounds at low pressures
- Physical properties of systems of interest to the edible oil industry: Viscosities and densities of model systems formed by (triacylglycerol + fatty acid + solvent)
- 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
- The solid liquid phase diagrams of binary mixtures of even saturated fatty acids differing by six carbon atoms
- Density, Viscosity, and Thermal Conductivity of Eight Carboxylic Acids from (290.3 to 473.4) K
- Solubility of Perfluoropentanoic Acid in Supercritical Carbon Dioxide: Measurements and Modeling
- Solubility of Small-Chain Carboxylic Acids in Supercritical Carbon Dioxide
- Phase Equilibria of Long-Chain Carboxylic Acids in Supercritical Propane
- Physico-Chemical Properties of Non-Newtonian Shear Thickening Diisopropyl-ethylammonium-Based Protic Ionic Liquids and Their Mixtures with Water and Acetonitrile
- Joback Method
- KDB
- Aqueous Solubility Prediction Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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