1-Pentanol, 4-methyl-
- Formula: C6H14O
- Molecular weight: 102.1748
- IUPAC Standard InChIKey: PCWGTDULNUVNBN-UHFFFAOYSA-N
- CAS Registry Number: 626-89-1
- 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: Isohexyl alcohol; Isohexanol; 2-Methyl-5-pentanol; 4-Methyl-1-pentanol; 4-Methylpentan-1-ol; 4-Methylpentanol; Pentanol, 4-methyl-
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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 | 423. ± 4. | K | AVG | N/A | Average of 15 out of 16 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 603.5 ± 0.7 | K | N/A | Gude and Teja, 1995 | |
Tc | 603.5 | K | N/A | Majer and Svoboda, 1985 | |
Tc | 603.5 | K | N/A | Lawrenson and Lee, 1978 | TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 60.47 | kJ/mol | N/A | Majer and Svoboda, 1985 |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
44.46 | 425. | N/A | Majer and Svoboda, 1985 | |
53.0 | 372. | A | Stephenson and Malanowski, 1987 | Based on data from 357. to 427. K.; AC |
51.1 | 386. | A | Stephenson and Malanowski, 1987 | Based on data from 371. to 427. K.; AC |
63.9 | 313. | N/A | Wilhoit and Zwolinski, 1973 | Based on data from 298. to 427. K.; AC |
46.5 | 360. | I | Hovorka, Lankelma, et al., 1940 | Based on data from 298. to 423. K.; AC |
Enthalpy of vaporization
ΔvapH = A exp(-αTr)
(1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kJ/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | 328. to 368. |
---|---|
A (kJ/mol) | 74.9 |
α | -0.7757 |
β | 0.8766 |
Tc (K) | 603.5 |
Reference | Majer and Svoboda, 1985 |
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]
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]
Lawrenson and Lee, 1978
Lawrenson, I.J.; Lee, D.A.,
Thermodynamic properties of organic oxygen compounds XLVIII. The critical temperature of some alkanols,
J. Chem. Thermodyn., 1978, 10, 1111. [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]
Hovorka, Lankelma, et al., 1940
Hovorka, Frank; Lankelma, Herman P.; Schneider, Isadore,
Thermodynamic Properties of the Hexyl Alcohols. IV. 3-Methylpentanol-1 and 2-Methylpentanol-5,
J. Am. Chem. Soc., 1940, 62, 5, 1096-1098, https://doi.org/10.1021/ja01862a029
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
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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