3-Pentanol
- Formula: C5H12O
- Molecular weight: 88.1482
- IUPAC Standard InChIKey: AQIXEPGDORPWBJ-UHFFFAOYSA-N
- CAS Registry Number: 584-02-1
- 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: Diethyl carbinol; 3-Pentyl alcohol; (C2H5)2CHOH; Pentan-3-ol; sec-Amyl alcohol; Pentanol-3; UN 2706; Isoamyl alcohol; 1-Ethyl-1-propanol; NSC 8654; sec-Pentanol; sec-Pentyl alcohol
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Condensed phase thermochemistry data
Go To: Top, Phase change 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 | -368.9 ± 0.79 | kJ/mol | Ccb | Sachek, Peshchenko, et al., 1974 | Heat of combustion not reported; ALS |
ΔfH°liquid | -370.3 ± 0.59 | kJ/mol | Ccb | Chao and Rossini, 1965 | see Rossini, 1934; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -3312.3 ± 0.46 | kJ/mol | Ccb | Chao and Rossini, 1965 | see Rossini, 1934; Corresponding ΔfHºliquid = -370.3 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 |
---|---|---|---|
239.7 | 298. | Conti, Gianni, et al., 1976 | DH |
Phase change data
Go To: Top, Condensed phase thermochemistry 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 388. ± 2. | K | AVG | N/A | Average of 36 out of 37 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 559.6 ± 0.5 | K | N/A | Gude and Teja, 1995 | |
Tc | 559.6 | K | N/A | Teja, Lee, et al., 1989 | TRC |
Tc | 559.6 | K | N/A | Smith, Anselme, et al., 1986 | Uncertainty assigned by TRC = 0.25 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.325 | l/mol | N/A | Gude and Teja, 1995 | |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 3.07 | mol/l | N/A | Gude and Teja, 1995 | |
ρc | 3.07 | mol/l | N/A | Smith, Anselme, et al., 1986 | Uncertainty assigned by TRC = 0.23 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 54.03 | kJ/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 53.2 ± 0.1 | kJ/mol | EB | Peschenko, Shvaro, et al., 1988 | See also Kulikov, Verevkin, et al., 2001.; AC |
ΔvapH° | 51.7 ± 1.3 | kJ/mol | V | Chao and Rossini, 1965 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
ΔvapH° | 52.9 | kJ/mol | C | McCurdy and Laidler, 1963 | AC |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
387.7 | 0.999 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
59.9 | 260. | A | Stephenson and Malanowski, 1987 | Based on data from 245. to 390. K.; AC |
49.6 | 332. | N/A | Sachek, Markovnik, et al., 1984 | Based on data from 317. to 389. K.; AC |
53.6 | 294. | N/A | Cabani, Conti, et al., 1975 | Based on data from 279. to 318. K.; AC |
50.2 | 319. | N/A | Wilhoit and Zwolinski, 1973 | Based on data from 294. to 389. K.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
9.08 | 204.2 | Lohmann, Joh, et al., 1997 | AC |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Sachek, Peshchenko, et al., 1974
Sachek, A.I.; Peshchenko, A.D.; Andreevskii, D.N.,
Heats of formation of secondary pentanols and hexanols,
Russ. J. Phys. Chem. (Engl. Transl.), 1974, 48, 617. [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]
Conti, Gianni, et al., 1976
Conti, G.; Gianni, P.; Matteoli, E.; Mengheri, M.,
Capacita termiche molari di alcuni composti organici mono- e bifunzionali nel liquido puro e in soluzione acquosa a 25C,
Chim. Ind. (Milan), 1976, 58, 225. [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]
Smith, Anselme, et al., 1986
Smith, R.L.; Anselme, M.J.; Teja, A.S.,
The Critical Temperatures of Isomeric Pentanols and Heptanols,
Fluid Phase Equilib., 1986, 31, 161. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Peschenko, Shvaro, et al., 1988
Peschenko, A.D.; Shvaro, O.V.; Zubkov, V.I.,
Termodin. Org. Soedin. Gor'kii, 1988, 39. [all data]
Kulikov, Verevkin, et al., 2001
Kulikov, Dmitry; Verevkin, Sergey P.; Heintz, Andreas,
Determination of Vapor Pressures and Vaporization Enthalpies of the Aliphatic Branched C 5 and C 6 Alcohols,
J. Chem. Eng. Data, 2001, 46, 6, 1593-1600, https://doi.org/10.1021/je010187p
. [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]
McCurdy and Laidler, 1963
McCurdy, K.G.; Laidler, K.J.,
HEATS OF VAPORIZATION OF A SERIES OF ALIPHATIC ALCOHOLS,
Can. J. Chem., 1963, 41, 8, 1867-1871, https://doi.org/10.1139/v63-274
. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [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]
Cabani, Conti, et al., 1975
Cabani, Sergio; Conti, G.; Mollica, V.; Lepori, L.,
Thermodynamic study of dilute aqueous solutions of organic compounds. Part 4.---Cyclic and straight chain secondary alcohols,
J. Chem. Soc., Faraday Trans. 1, 1975, 71, 0, 1943, https://doi.org/10.1039/f19757101943
. [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]
Lohmann, Joh, et al., 1997
Lohmann, J.; Joh, R.; Gmehling, J.,
Solid-Liquid Equilibria of Viscous Binary Mixtures with Alcohols,
J. Chem. Eng. Data, 1997, 42, 6, 1170-1175, https://doi.org/10.1021/je9700683
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Tboil Boiling point Tc Critical temperature Vc Critical volume ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion 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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