4-Octanol
- Formula: C8H18O
- Molecular weight: 130.2279
- IUPAC Standard InChI: InChI=1S/C8H18O/c1-3-5-7-8(9)6-4-2/h8-9H,3-7H2,1-2H3
- IUPAC Standard InChIKey: WOFPPJOZXUTRAU-UHFFFAOYSA-N
- CAS Registry Number: 589-62-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Stereoisomers:
- Other names: n-Octan-4-ol; octan-4-ol
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Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tc | 625.1 ± 0.5 | K | N/A | Gude and Teja, 1995 | |
| Tc | 625.1 | K | N/A | Teja, Lee, et al., 1989 | TRC |
| Tc | 625.1 | K | N/A | Anselme and Teja, 1988 | Uncertainty assigned by TRC = 0.3 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Vc | 0.515 | l/mol | N/A | Gude and Teja, 1995 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ρc | 1.94 | mol/l | N/A | Gude and Teja, 1995 | |
| ρc | 1.94 | mol/l | N/A | Anselme and Teja, 1988 | Uncertainty assigned by TRC = 0.05 mol/l; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 67.2 ± 0.5 | kJ/mol | GS | Verevkin and Schick, 2007 | Based on data from 288. to 322. K.; AC |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 57.3 | 358. | A | Stephenson and Malanowski, 1987 | Based on data from 343. to 450. K.; AC |
| 54.8 | 379. | N/A | Sachek, Markovnik, et al., 1984 | Based on data from 364. to 449. K.; AC |
| 62.1 | 356. | N/A | Wilhoit and Zwolinski, 1973 | Based on data from 341. to 449. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 283. to 353. | 5.08522 | 1816.393 | -83.125 | Geiseler, Fruwert, et al., 1966 | Coefficents calculated by NIST from author's data. |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Gude and Teja, 1995
Gude, M.; Teja, A.S.,
Vapor-Liquid Critical Properties of Elements and Compounds. 4. Aliphatic Alkanols,
J. Chem. Eng. Data, 1995, 40, 1025-1036. [all data]
Teja, Lee, et al., 1989
Teja, A.S.; Lee, R.J.; Rosenthal, D.J.; Anselme, M.J.,
Correlation of the Critical Properties of Alkanes and Alkanols
in 5th IUPAC Conference on Alkanes and AlkanolsGradisca, 1989. [all data]
Anselme and Teja, 1988
Anselme, M.J.; Teja, A.S.,
Critical Temperatures and Densities of Isomeric Alkanols with Six to Ten Carbon Atoms,
Fluid Phase Equilib., 1988, 40, 127-34. [all data]
Verevkin and Schick, 2007
Verevkin, Sergey P.; Schick, Christoph,
Vapour pressures and heat capacity measurements on the C7--C9 secondary aliphatic alcohols,
The Journal of Chemical Thermodynamics, 2007, 39, 5, 758-766, https://doi.org/10.1016/j.jct.2006.10.007
. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Sachek, Markovnik, et al., 1984
Sachek, A.I.; Markovnik, V.S.; Peshchenko, A.D.; Shvaro, A.V.; Andreevskii, D.N.,
Khim. Prom-st. (Moscow), 1984, 337. [all data]
Wilhoit and Zwolinski, 1973
Wilhoit, R.C.; Zwolinski, B.J.,
Physical and thermodynamic properties of aliphatic alcohols,
J. Phys. Chem. Ref. Data Suppl., 1973, 1, 2, 1. [all data]
Geiseler, Fruwert, et al., 1966
Geiseler, Gerhard; Fruwert, Johanna; Hüttig, Rainer,
Dampfdruck- und Schwingungsverhalten der stellungsisomeren n-Octanole und hydroxydeuterierten n-Octanole,
Chem. Ber., 1966, 99, 5, 1594-1601, https://doi.org/10.1002/cber.19660990525
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tc Critical temperature Vc Critical volume ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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