1-Octanol
- Formula: C8H18O
- Molecular weight: 130.2279
- IUPAC Standard InChIKey: KBPLFHHGFOOTCA-UHFFFAOYSA-N
- CAS Registry Number: 111-87-5
- 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. - Other names: Octyl alcohol; n-Octan-1-ol; n-Octanol; n-Octyl alcohol; Alfol 8; Caprylic alcohol; Heptyl carbinol; Octanol; Octilin; Sipol L8; Alcohol C-8; n-Heptyl carbinol; Octan-1-ol; Prim-n-octyl alcohol; Octanol-(1); Dytol M-83; Lorol 20; Octyl alcohol, normal-primary; Primary octyl alcohol; Epal 8; 1-Hydroxyoctane; Emery 3322; Emery 3324; Lorol C 8-98; 1-Octyl alcohol; NSC 9823
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Reaction thermochemistry data, Henry's Law data, References, Notes
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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -426.6 ± 0.6 | kJ/mol | Ccb | Mosselman and Dekker, 1975 | ALS |
ΔfH°liquid | -428.0 ± 1.1 | kJ/mol | Ccb | Gundry, Harrop, et al., 1969 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
ΔfH°liquid | -425.2 ± 1.1 | kJ/mol | Ccb | Chao and Rossini, 1965 | see Rossini, 1934; ALS |
ΔfH°liquid | -435.0 ± 2.7 | kJ/mol | Ccb | Green, 1960 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -5294.0 ± 0.6 | kJ/mol | Ccb | Mosselman and Dekker, 1975 | Corresponding ΔfHºliquid = -426.6 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -5295.5 ± 1.0 | kJ/mol | Ccb | Chao and Rossini, 1965 | see Rossini, 1934; Corresponding ΔfHºliquid = -425.05 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -5285.7 ± 2.7 | kJ/mol | Ccb | Green, 1960 | Corresponding ΔfHºliquid = -434.84 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -5285.6 | kJ/mol | Ccb | Verkade and Coops, 1927 | Corrected for 298 and 1 atm.; Corresponding ΔfHºliquid = -434.7 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
304.0 | 298.15 | Vesely, Barcal, et al., 1989 | T = 298.15 to 318.15 K.; DH |
329.5 | 303.2 | Naziev, Bashirov, et al., 1986 | T = 303.2 to 448 K. p = 0.1 MPa. Unsmoothed experimental datum given as 2.53 kJ/kg*K.; DH |
305.55 | 298.15 | Zegers and Somsen, 1984 | DH |
318.3 | 310.67 | Griigo'ev, Yanin, et al., 1979 | T = 310 to 452 K. p = 0.98 bar.; DH |
312.1 | 298. | Hutchinson and Bailey, 1959 | DH |
284.5 | 286.0 | Cline and Andrews, 1931 | T = 102 to 286 K. Value is unsmoothed experimental datum.; DH |
324.3 | 298. | von Reis, 1881 | T = 291 to 470 K.; DH |
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
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 468. ± 1. | K | AVG | N/A | Average of 37 out of 41 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 257. ± 2. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 655. ± 10. | K | AVG | N/A | Average of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 27. ± 8. | bar | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.497 | l/mol | N/A | Gude and Teja, 1995 | |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 2.01 ± 0.03 | mol/l | N/A | Gude and Teja, 1995 | |
ρc | 2.04 | mol/l | N/A | Teja, Lee, et al., 1989 | TRC |
ρc | 1.97 | mol/l | N/A | Anselme and Teja, 1988 | Uncertainty assigned by TRC = 0.05 mol/l; TRC |
ρc | 2.04 | mol/l | N/A | Efremov, 1966 | Uncertainty assigned by TRC = 0.02 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 71. ± 2. | kJ/mol | AVG | N/A | Average of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 100.4 | kJ/mol | N/A | Davies and Kybett, 1965 | AC |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
371.2 | 0.025 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
69.6 | 303. | GS | Kulikov, Verevkin, et al., 2001 | Based on data from 282. to 321. K.; AC |
68.7 | 318. | N/A | N'Guimbi, Kasehgari, et al., 1992 | Based on data from 273. to 363. K.; AC |
67.3 | 343. | A | Stephenson and Malanowski, 1987 | Based on data from 328. to 400. K.; AC |
52.5 | 445. | A | Stephenson and Malanowski, 1987 | Based on data from 430. to 474. K.; AC |
56.6 | 412. | A | Stephenson and Malanowski, 1987 | Based on data from 397. to 479. K.; AC |
47.8 | 490. | A | Stephenson and Malanowski, 1987 | Based on data from 475. to 555. K.; AC |
64.0 | 274. | A,ME | Stephenson and Malanowski, 1987 | Based on data from 267. to 282. K. See also Davies and Kybett, 1965.; AC |
67.5 | 358. | N/A | Wilhoit and Zwolinski, 1973 | Based on data from 343. to 468. K.; AC |
65.0 | 367. | DTA | Kemme and Kreps, 1969 | Based on data from 352. to 468. K.; AC |
70.4 | 308. | N/A | Geiseler, Fruwert, et al., 1966 | Based on data from 293. to 353. K.; AC |
64. ± 1. | 267. | V | Davies and Kybett, 1965 | ALS |
61.6 | 380. | N/A | Rose, Papahronis, et al., 1958 | Based on data from 365. to 427. 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 |
---|---|---|---|---|---|
502.19 to 553.99 | 3.96451 | 1350.263 | -129.565 | Ambrose, Sprake, et al., 1975 | Coefficents calculated by NIST from author's data. |
328.02 to 387.0 | 4.80915 | 1753.525 | -99.0 | Ambrose, Ellender, et al., 1974 | Coefficents calculated by NIST from author's data. |
386.42 to 479.27 | 3.90279 | 1274.261 | -141.328 | Ambrose and Sprake, 1970 | Coefficents calculated by NIST from author's data. |
352.1 to 468.5 | 3.74844 | 1196.639 | -149.043 | Kemme and Kreps, 1969 | |
293. to 353. | 6.47682 | 2603.359 | -48.799 | Geiseler, Fruwert, et al., 1966 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
25.24 | 258.4 | van Miltenburg, Gabrielová, et al., 2003 | AC |
Reaction thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Henry's Law data, References, Notes
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:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
C8H17O- + =
By formula: C8H17O- + H+ = C8H18O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1566. ± 8.8 | kJ/mol | G+TS | Higgins and Bartmess, 1998 | gas phase; B |
ΔrH° | 1563. ± 13. | kJ/mol | CIDC | Haas and Harrison, 1993 | gas phase; Kinetic method gives energy-dependent results.; B |
ΔrH° | 1556. ± 12. | kJ/mol | G+TS | Boand, Houriet, et al., 1983 | gas phase; value altered from reference due to change in acidity scale; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1538. ± 8.4 | kJ/mol | IMRE | Higgins and Bartmess, 1998 | gas phase; B |
ΔrG° | 1535. ± 13. | kJ/mol | H-TS | Haas and Harrison, 1993 | gas phase; Kinetic method gives energy-dependent results.; B |
ΔrG° | 1528. ± 11. | kJ/mol | CIDC | Boand, Houriet, et al., 1983 | gas phase; value altered from reference due to change in acidity scale; B |
+ = C8H18O4S +
By formula: C8H18O + ClHO3S = C8H18O4S + HCl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 55. ± 1. | kJ/mol | Cm | Markitanova, Barsukov, et al., 1981 | liquid phase; solvent: Dichloromethane; Sulfation; ALS |
+ = C8H18O4S
By formula: C8H18O + O3S = C8H18O4S
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 93. ± 2. | kJ/mol | Cm | Markitanova, Barsukov, et al., 1981 | liquid phase; solvent: Dichloromethane; ALS |
Henry's Law 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 by: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference | Comment |
---|---|---|---|---|
62. | Q | N/A | missing citation give several references for the Henry's law constants but don't assign them to specific species. | |
42. | V | N/A | ||
40. | M | Buttery, Ling, et al., 1969 | ||
41. | V | Butler, Ramchandani, et al., 1935 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Mosselman and Dekker, 1975
Mosselman, C.; Dekker, H.,
Enthalpies of formation of n-alkan-1-ols,
J. Chem. Soc. Faraday Trans. 1, 1975, 417-424. [all data]
Gundry, Harrop, et al., 1969
Gundry, H.A.; Harrop, D.; Head, A.J.; Lewis, G.B.,
Thermodynamic properties of organic oxygen compounds. 21. Enthalpies of combustion of benzoic acid, pentan-1-ol, octan-1-ol, and hexadecan-1-ol,
J. Chem. Thermodyn., 1969, 1, 321-332. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Chao and Rossini, 1965
Chao, J.; Rossini, F.D.,
Heats of combustion, formation, and isomerization of nineteen alkanols,
J. Chem. Eng. Data, 1965, 10, 374-379. [all data]
Rossini, 1934
Rossini, F.D.,
Heats of combustion and of formation of the normal aliphatic alcohols in the gaseous and liquid states, and the energies of their atomic linkages,
J. Res. NBS, 1934, 13, 189-197. [all data]
Green, 1960
Green, J.H.S.,
Revision of the values of the heats of formation of normal alcohols,
Chem. Ind. (London), 1960, 1215-1216. [all data]
Verkade and Coops, 1927
Verkade, P.E.; Coops, J., Jr.,
Calorimetric researches XIV. Heats of combustion of successive members of homologous series: the normal primary aliphatic alcohols,
Recl. Trav. Chim. Pays-Bas, 1927, 46, 903-917. [all data]
Vesely, Barcal, et al., 1989
Vesely, F.; Barcal, P.; Zabransky, M.; Svoboda, V.,
Heat capacities of 4-methyl-2-pentanone, 2,6-dimethyl-4-heptanone, 1-hexanol, 1-heptanol, and 1-octanol in the temperature range 298-318 K,
Collect. Czech. Chem. Commun., 1989, 54, 602-607. [all data]
Naziev, Bashirov, et al., 1986
Naziev, Ya.M.; Bashirov, M.M.; Badalov, Yu.A.,
Experimental study of isobaric specific heat of higher alcohols at high pressures,
Inzh.-Fiz. Zhur., 1986, 51, 998-1004. [all data]
Zegers and Somsen, 1984
Zegers, H.C.; Somsen, G.,
Partial molar volumes and heat capacities in (dimethylformamide + an n-alkanol),
J. Chem. Thermodynam., 1984, 16, 225-235. [all data]
Griigo'ev, Yanin, et al., 1979
Griigo'ev, B.A.; Yanin, G.S.; Rastorguev, Yu.L.; Thermophysical parameters of alcohols, Tr. GIAP,
54, 1979, 57-64. [all data]
Hutchinson and Bailey, 1959
Hutchinson, E.; Bailey, L.G.,
A thermodynamic study of colloidal electrolyte solutions. II. Heat capacities of solubilized systems, experimental,
Z. Physik. Chem. [N.G.], 1959, 21, 30-37. [all data]
Cline and Andrews, 1931
Cline, J.K.; Andrews, D.H.,
Thermal energy studies. III. The octanols,
J. Am. Chem. Soc., 1931, 53, 3668-3673. [all data]
von Reis, 1881
von Reis, M.A.,
Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht,
Ann. Physik [3], 1881, 13, 447-464. [all data]
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]
Efremov, 1966
Efremov, Yu.V.,
Density, Surface Tension, Saturated Vapor Pressurs and Critical Parameters of Alcohols,
Zh. Fiz. Khim., 1966, 40, 1240. [all data]
Davies and Kybett, 1965
Davies, M.; Kybett, B.,
Sublimation and vaporization heats of long-chain alcohols,
Trans. Faraday Soc., 1965, 61, 1608. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Kulikov, Verevkin, et al., 2001
Kulikov, Dmitry; Verevkin, Sergey P.; Heintz, Andreas,
Enthalpies of vaporization of a series of aliphatic alcohols,
Fluid Phase Equilibria, 2001, 192, 1-2, 187-207, https://doi.org/10.1016/S0378-3812(01)00633-1
. [all data]
N'Guimbi, Kasehgari, et al., 1992
N'Guimbi, J.; Kasehgari, H.; Mokbel, I.; Jose, J.,
Tensions de vapeur d'alcools primaires dans le domaine 0,3 Pa à 1,5 kPa,
Thermochimica Acta, 1992, 196, 2, 367-377, https://doi.org/10.1016/0040-6031(92)80100-B
. [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]
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]
Kemme and Kreps, 1969
Kemme, Herbert R.; Kreps, Saul I.,
Vapor pressure of primary n-alkyl chlorides and alcohols,
J. Chem. Eng. Data, 1969, 14, 1, 98-102, https://doi.org/10.1021/je60040a011
. [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]
Rose, Papahronis, et al., 1958
Rose, Arthur; Papahronis, B.; Williams, E.,
Experimental Measurement of Vapor-Liquid Equilibria for Octanol-Decanol and Decanol-Dodecanol Binaries.,
Ind. Eng. Chem. Chem. Eng. Data Series, 1958, 3, 2, 216-219, https://doi.org/10.1021/i460004a008
. [all data]
Ambrose, Sprake, et al., 1975
Ambrose, D.; Sprake, C.H.S.; Townsend, R.,
Thermodynamic Properties of Organic Oxygen Compounds. XXXVII. Vapour Pressures of Methanol, Ethanol, Pentan-1-ol, and Octan-1-ol from the Normal Boiling Temperature to the Critical Temperature,
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. [all data]
Ambrose, Ellender, et al., 1974
Ambrose, D.; Ellender, J.H.; Sprake, C.H.S.,
Thermodynamic properties of organic oxygen compounds XXXV. Vapour pressures of aliphatic alcohols,
The Journal of Chemical Thermodynamics, 1974, 6, 9, 909-914, https://doi.org/10.1016/0021-9614(74)90235-3
. [all data]
Ambrose and Sprake, 1970
Ambrose, D.; Sprake, C.H.S.,
Thermodynamic properties of organic oxygen compounds XXV. Vapour pressures and normal boiling temperatures of aliphatic alcohols,
The Journal of Chemical Thermodynamics, 1970, 2, 5, 631-645, https://doi.org/10.1016/0021-9614(70)90038-8
. [all data]
van Miltenburg, Gabrielová, et al., 2003
van Miltenburg, J. Cees; Gabrielová, Hana; Ruzicka, Kvetoslav,
Heat Capacities and Derived Thermodynamic Functions of 1-Hexanol, 1-Heptanol, 1-Octanol, and 1-Decanol between 5 K and 390 K,
J. Chem. Eng. Data, 2003, 48, 5, 1323-1331, https://doi.org/10.1021/je0340856
. [all data]
Higgins and Bartmess, 1998
Higgins, P.R.; Bartmess, J.E.,
The Gas Phase Acidities of Long Chain Alcohols.,
Int. J. Mass Spectrom., 1998, 175, 1-2, 71-79, https://doi.org/10.1016/S0168-1176(98)00125-6
. [all data]
Haas and Harrison, 1993
Haas, M.J.; Harrison, A.G.,
The Fragmentation of Proton-Bound Cluster Ions and the Gas-Phase Acidities of Alcohols,
Int. J. Mass Spectrom. Ion Proc., 1993, 124, 2, 115, https://doi.org/10.1016/0168-1176(93)80003-W
. [all data]
Boand, Houriet, et al., 1983
Boand, G.; Houriet, R.; Baumann, T.,
The gas phase acidity of aliphatic alcohols,
J. Am. Chem. Soc., 1983, 105, 2203. [all data]
Markitanova, Barsukov, et al., 1981
Markitanova, L.I.; Barsukov, I.I.; Passet, B.V.,
Determination of heat of sulfation by calorimetric titration,
J. Gen. Chem. USSR, 1981, 51, 1286-1289. [all data]
Buttery, Ling, et al., 1969
Buttery, R.G.; Ling, L.C.; Guadagni, D.G.,
Volatilities Aldehydes, Ketones, and Esters in Dilute Water Solution,
J. Agric. Food Chem., 1969, 17, 385-389. [all data]
Butler, Ramchandani, et al., 1935
Butler, J.A.V.; Ramchandani, C.N.; Thomson, D.W.,
The Solubility of Non-Electrolytes. Part 1. The Free Energy of Hydration of Some Alphatic Alcohols,
J. Chem. Soc., 1935, 280-285, https://doi.org/10.1039/jr9350000280
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Vc Critical volume d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔsubH° Enthalpy of sublimation at standard conditions 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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