Methyl Alcohol
- Formula: CH4O
- Molecular weight: 32.0419
- IUPAC Standard InChIKey: OKKJLVBELUTLKV-UHFFFAOYSA-N
- CAS Registry Number: 67-56-1
- 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. - Isotopologues:
- Other names: Methanol; Carbinol; Methyl hydroxide; Methylol; Monohydroxymethane; Wood alcohol; CH3OH; Colonial spirit; Columbian spirit; Hydroxymethane; Wood naphtha; Alcool methylique; Alcool metilico; Columbian spirits; Metanolo; Methylalkohol; Metylowy alkohol; Pyroxylic spirit; Wood spirit; Rcra waste number U154; UN 1230; Pyro alcohol; Spirit of wood; Bieleski's solution; NSC 85232
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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° (kJ/mol) | Method | Reference | Comment |
---|---|---|---|
37.83 | N/A | Majer and Svoboda, 1985 | |
37.8 | N/A | Schmeling and Strey, 2010 | Based on data from 243. to 303. K.; AC |
38.0 | N/A | Nasirzadeh, Zimin, et al., 2004 | Based on data from 298. to 333. K.; AC |
37.4 ± 0.1 | C | Svoboda, Veselý, et al., 1973 | AC |
37.43 ± 0.02 | C | Polak and Benson, 1971 | ALS |
37.43 ± 0.02 | C | Polak and Benson, 1971 | AC |
37.3 ± 0.1 | C | Wadsö, Murto, et al., 1966 | AC |
37.3 ± 0.08 | C | Wadso, 1966 | ALS |
37.7 ± 0.1 | C | McCurdy and Laidler, 1963 | AC |
37.4 ± 0.04 | V | Green, 1960 | ALS |
37.8 | N/A | Green, 1960 | DRB |
35.3 ± 0.04 | 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]
Schmeling and Strey, 2010
Schmeling, T.; Strey, K.,
Equilibrium Vapor Pressure Measurements for the n-Alcohols in the Temperature Range from -30 °C to + 30 °C,
Berichte der Bunsengesellschaft für physikalische Chemie, 2010, 87, 10, 871-874, https://doi.org/10.1002/bbpc.19830871008
. [all data]
Nasirzadeh, Zimin, et al., 2004
Nasirzadeh, Karamat; Zimin, Denys; Neueder, Roland; Kunz, Werner,
Vapor-Pressure Measurements of Liquid Solutions at Different Temperatures: Apparatus for Use over an Extended Temperature Range and Some New Data,
J. Chem. Eng. Data, 2004, 49, 3, 607-612, https://doi.org/10.1021/je034197x
. [all data]
Svoboda, Veselý, et al., 1973
Svoboda, V.; Veselý, F.; Holub, R.; Pick, J.,
Enthalpy data of liquids. II. The dependence of heats of vaporization of methanol, propanol, butanol, cyclohexane, cyclohexene, and benzene on temperature,
Collect. Czech. Chem. Commun., 1973, 38, 12, 3539-3543, https://doi.org/10.1135/cccc19733539
. [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]
Green, 1960
Green, J.H.S.,
Revision of the values of the heats of formation of normal alcohols,
Chem. Ind. (London), 1960, 1215-1216. [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
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- 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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