1-Pentanol, 2-methyl-
- Formula: C6H14O
- Molecular weight: 102.1748
- IUPAC Standard InChIKey: PFNHSEQQEPMLNI-UHFFFAOYSA-N
- CAS Registry Number: 105-30-6
- 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-1-pentanol; Isohexyl alcohol; 2-Methylpentanol-1; M.I.B.C.; 2-Methyl-2-propylethanol; 2-Methylpentanol; Methyl-2 pentanol-1; 2-methylpentan-1-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:
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 | 421. ± 2. | K | AVG | N/A | Average of 20 out of 21 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 604.4 ± 0.5 | K | N/A | Gude and Teja, 1995 | |
Tc | 604.4 | K | N/A | Quadri, Khilar, et al., 1991 | Uncertainty assigned by TRC = 0.7 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 34.5 ± 0.2 | bar | N/A | Gude and Teja, 1995 | |
Pc | 34.50 | bar | N/A | Quadri, Khilar, et al., 1991 | Uncertainty assigned by TRC = 0.50 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 59.4 ± 0.3 | kJ/mol | GS | Kulikov, Verevkin, et al., 2001 | Based on data from 275. to 313. K.; AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
49.3 | 382. | A | Stephenson and Malanowski, 1987 | Based on data from 367. to 423. K.; AC |
64.9 | 279. | A | Stephenson and Malanowski, 1987 | Based on data from 261. to 294. K. See also Thomas, Meatyard, et al., 1979.; AC |
57.4 ± 0.2 | 328. | C | Majer, Svoboda, et al., 1985 | AC |
55.7 ± 0.2 | 343. | C | Majer, Svoboda, et al., 1985 | AC |
53.9 ± 0.2 | 358. | C | Majer, Svoboda, et al., 1985 | AC |
52.7 ± 0.2 | 368. | C | Majer, Svoboda, et al., 1985 | AC |
54.2 | 313. | N/A | Wilhoit and Zwolinski, 1973 | Based on data from 298. to 423. K.; AC |
50.2 | 356. | I | Hovorka, Lankelma, et al., 1938 | Based on data from 298. to 413. 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 |
---|---|---|---|---|---|
298. to 423. | 6.198 | 2625.143 | 3.181 | Hovorka, Lankelma, et al., 1938 | 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]
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]
Thomas, Meatyard, et al., 1979
Thomas, Leo H.; Meatyard, Robert; Smith, Harry; Davies, Gwyn H.,
Vapor pressures and molar entropies of vaporization of monohydric alcohols,
J. Chem. Eng. Data, 1979, 24, 3, 159-161, https://doi.org/10.1021/je60082a032
. [all data]
Majer, Svoboda, et al., 1985
Majer, V.; Svoboda, V.; Lencka, M.,
Enthalpies of vaporization and cohesive energies of dimethylpyridines and trimethylpyridines,
The Journal of Chemical Thermodynamics, 1985, 17, 4, 365-370, https://doi.org/10.1016/0021-9614(85)90133-8
. [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., 1938
Hovorka, Frank; Lankelma, Herman P.; Stanford, Spencer C.,
Thermodynamic Properties of the Hexyl Alcohols. II. Hexanols-1, -2, -3 and 2-Methylpentanol-1 and -4,
J. Am. Chem. Soc., 1938, 60, 4, 820-827, https://doi.org/10.1021/ja01271a018
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature 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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