3-Pentanol, 2-methyl-
- Formula: C6H14O
- Molecular weight: 102.1748
- IUPAC Standard InChIKey: ISTJMQSHILQAEC-UHFFFAOYSA-N
- CAS Registry Number: 565-67-3
- 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: 2-Methyl-3-pentanol; Propanol, 1-isopropyl-; 4-Methyl-3-pentanol; 2-methylpentan-3-ol
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Gas phase 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 by: Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -338.9 ± 2.2 | kJ/mol | N/A | Sachek, Peshchenko, et al., 1974 | Value computed using ΔfHliquid° value of -396.4±1 kj/mol from Sachek, Peshchenko, et al., 1974 and ΔvapH° value of 57.5±2 kj/mol from sec-alkanol correlation. |
Condensed phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -396.4 ± 1.0 | kJ/mol | Ccb | Sachek, Peshchenko, et al., 1974 | Heat of combustion not reported |
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:
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 398. ± 9. | K | AVG | N/A | Average of 11 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 576.0 ± 0.5 | K | N/A | Gude and Teja, 1995 | |
Tc | 576.0 | K | N/A | Quadri, Khilar, et al., 1991 | Uncertainty assigned by TRC = 0.7 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 34.6 ± 0.2 | bar | N/A | Gude and Teja, 1995 | |
Pc | 34.60 | bar | N/A | Quadri, Khilar, et al., 1991 | Uncertainty assigned by TRC = 0.50 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 56.0 ± 0.5 | kJ/mol | GS | Kulikov, Verevkin, et al., 2001 | Based on data from 275. to 307. K.; AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
52.2 | 322. | A | Stephenson and Malanowski, 1987 | Based on data from 307. to 401. K.; AC |
45.4 | 357. | A | Stephenson and Malanowski, 1987 | Based on data from 342. to 400. K. See also Brazhnikov, Andreevskii, et al., 1975.; AC |
52.0 | 313. | N/A | Wilhoit and Zwolinski, 1973 | Based on data from 298. to 401. K.; AC |
44.4 | 349. | I | Hovorka, Lankelma, et al., 1940 | Based on data from 298. to 399. K.; AC |
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 |
---|---|---|---|
29. | V | N/A |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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.
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]
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]
Quadri, Khilar, et al., 1991
Quadri, S.K.; Khilar, K.C.; Kudchadker, A.P.; Patni, M.J.,
Measurement of the critical temperatures and critical pressures of some thermally stable or mildly unstable alkanols,
J. Chem. Thermodyn., 1991, 23, 67-76. [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]
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]
Brazhnikov, Andreevskii, et al., 1975
Brazhnikov, M.M.; Andreevskii, D.N.; Sachek, A.I.; Peshchenko, A.D.,
Zh. Prikl. Khim. (Leningrad), 1975, 48, 10, 2181. [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]
Hovorka, Lankelma, et al., 1940
Hovorka, Frank; Lankelma, Herman P.; Axelrod, Abraham E.,
Thermodynamic Properties of the Hexyl Alcohols. III. 2-Methylpentanol-3 and 3-Methylpentanol-3,
J. Am. Chem. Soc., 1940, 62, 1, 187-189, https://doi.org/10.1021/ja01858a055
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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