1-Propanol, 2-methyl-
- Formula: C4H10O
- Molecular weight: 74.1216
- IUPAC Standard InChIKey: ZXEKIIBDNHEJCQ-UHFFFAOYSA-N
- CAS Registry Number: 78-83-1
- 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: Isobutyl alcohol; Isobutanol; Isopropylcarbinol; 2-Methyl-1-propanol; iso-C4H9OH; Fermentation butyl alcohol; 1-Hydroxymethylpropane; 2-Methylpropanol; 2-Methylpropan-1-ol; 2-Methylpropanol-1; 2-Methylpropyl alcohol; Butanol-iso; Alcool isobutylique; Isobutylalkohol; Rcra waste number U140; UN 1212; i-Butyl alcohol; Isopropyl carbitol; Propanol, 2-methyl-; 2-methyl-1-propanyl alcohol; i-Butanol; Methyl-2 propanol-1; NSC 5708; 2-methylpropanoI
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Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.)
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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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
ΔvapH° (kcal/mol) | Method | Reference | Comment |
---|---|---|---|
12.16 | N/A | Majer and Svoboda, 1985 | |
11.7 | N/A | Ortega and Hernández, 1999 | Based on data from 350. to 400. K.; AC |
12.13 ± 0.007 | C | Majer, Svoboda, et al., 1984 | ALS |
12.1 ± 0.02 | C | Majer, Svoboda, et al., 1984 | AC |
12.1 | N/A | Connett, 1975 | DRB |
12.14 ± 0.005 | C | Polak and Benson, 1971 | AC |
12.1 ± 0.02 | C | Wadsö, Murto, et al., 1966 | AC |
12.15 ± 0.02 | C | Wadso, 1966 | ALS |
11.9 | C | McCurdy and Laidler, 1963 | AC |
12.1 | N/A | Skinner and Snelson, 1960 | DRB |
10.25 ± 0.002 | V | Mathews, 1926 | ALS; Data excluded from overall average |
References
Go To: Top, Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Ortega and Hernández, 1999
Ortega, Juan; Hernández, Pablo,
Thermodynamic Study of Binary Mixtures Containing an Isobutylalkanol and an Alkyl (Ethyl to Butyl) Alkanoate (Methanoate to Butanoate), Contributing with Experimental Values of Excess Molar Enthalpies and Volumes, and Isobaric Vapor-Liquid Equilibria,
J. Chem. Eng. Data, 1999, 44, 4, 757-771, https://doi.org/10.1021/je990004n
. [all data]
Majer, Svoboda, et al., 1984
Majer, V.; Svoboda, V.; Hynek, V.,
On the enthalpy of vaporization of isomeric butanols,
J. Chem. Thermodyn., 1984, 16, 1059-1066. [all data]
Connett, 1975
Connett, J.E.,
Chemical equilibria 6. Measurement of equilibrium constants for the dehydrogenation of 2-methylpropan-1-ol by a vapour-flow technique,
J. Chem. Thermodyn., 1975, 7, 1159-1162. [all data]
Polak and Benson, 1971
Polak, J.; Benson, G.C.,
Enthalpies of vaporization of some aliphatic alcohols,
J. Chem. Thermodyn., 1971, 3, 235-242. [all data]
Wadsö, Murto, et al., 1966
Wadsö, Ingemar; Murto, Maija-Leena; Bergson, Göran; Ehrenberg, L.; Brunvoll, J.; Bunnenberg, E.; Djerassi, Carl; Records, Ruth,
Heats of Vaporization for a Number of Organic Compounds at 25 degrees C.,
Acta Chem. Scand., 1966, 20, 544-552, https://doi.org/10.3891/acta.chem.scand.20-0544
. [all data]
Wadso, 1966
Wadso, I.,
Acta Chem. Scand., 1966, 20, 544. [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]
Skinner and Snelson, 1960
Skinner, H.A.; Snelson, A.,
The heats of combustion of the four isomeric butyl alcohols,
Trans. Faraday Soc., 1960, 56, 1776-1783. [all data]
Mathews, 1926
Mathews, J.H.,
The accurate measurement of heats of vaporization of liquids,
J. Am. Chem. Soc., 1926, 48, 562-576. [all data]
Notes
Go To: Top, Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.), References
- Symbols used in this document:
ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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