1,2-Ethanediol
- Formula: C2H6O2
- Molecular weight: 62.0678
- IUPAC Standard InChIKey: LYCAIKOWRPUZTN-UHFFFAOYSA-N
- CAS Registry Number: 107-21-1
- 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. - Species with the same structure:
- Other names: Ethylene glycol; Ethylene alcohol; Glycol; Glycol alcohol; Lutrol 9; Macrogol 400 BPC; Monoethylene glycol; Ramp; Tescol; 1,2-Dihydroxyethane; 2-Hydroxyethanol; HOCH2CH2OH; Aethylenglykol; Ethane-1,2-diol; Fridex; MEG 100; 1,2-Ethandiol; Ucar 17; Dowtherm SR 1; Norkool; Zerex; Ilexan E; 1,2-Ethylene glycol; 146AR; Ethylene dihydrate; NSC 93876; Union Carbide XL 54 Type I De-icing Fluid; Dihydroxyethane; Ethanediol; Ethylene gycol; Glygen; Athylenglykol; M.e.g.; Aliphatic diol
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Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.)
Go To: Top, References, Notes
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
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
ΔvapH° (kcal/mol) | Method | Reference | Comment |
---|---|---|---|
15.6 ± 0.07 | GS | Vasiltsova, Verevkin, et al., 2005 | Based on data from 308. to 336. K.; AC |
15.8 ± 0.05 | GS | Verevkin, 2004 | Based on data from 278. to 328. K.; AC |
15.8 | N/A | Derawi, Michelsen, et al., 2003 | Based on data from 260. to 350. K. See also Verevkin, 2004.; AC |
15.2 ± 0.02 | N/A | Mokbel, Porcedda, et al., 1999 | Based on data from 264. to 353. K. See also Verevkin, 2004.; AC |
15.7 | N/A | Knauth and Sabbah, 1990 | DRB |
15.7 ± 0.07 | C | Knauth and Sabbah, 1988 | See also Knauth and Sabbah, 1990.; AC |
15.7 ± 0.07 | C | Knauth and Sabbah, 1988, 2 | ALS |
15.2 ± 0.02 | EB | Ambrose and Hall, 1981 | Based on data from 374. to 495. K. See also Vasiltsova, Verevkin, et al., 2005.; AC |
15.8 ± 0.07 | GS | Hales, Cogman, et al., 1981 | Based on data from 283. to 373. K. See also Verevkin, 2004.; AC |
16.3 ± 0.2 | EB | Joo and Arlt, 1981 | Based on data from 335. to 420. K. See also Verevkin, 2004.; AC |
16.2 | N/A | Gardner and Hussain, 1972 | DRB |
15.2 | N/A | Gardner and Hussain, 1972 | Based on data from 333. to 443. K. See also Vasiltsova, Verevkin, et al., 2005.; AC |
15.2 | DFM | Gallaugher and Hibbert, 1937 | Based on data from 333. to 443. K. See also Verevkin, 2004 and Gardner and Hussain, 1972.; AC |
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.
Vasiltsova, Verevkin, et al., 2005
Vasiltsova, Tatiana V.; Verevkin, Sergey P.; Bich, Eckard; Heintz, Andreas; Bogel-Lukasik, Rafal; Domanska, Urszula,
Thermodynamic Properties of Mixtures Containing Ionic Liquids. Activity Coefficients of Ethers and Alcohols in 1-Methyl-3-Ethyl-Imidazolium Bis(Trifluoromethyl-sulfonyl) Imide Using the Transpiration Method,
J. Chem. Eng. Data, 2005, 50, 1, 142-148, https://doi.org/10.1021/je0497799
. [all data]
Verevkin, 2004
Verevkin, Sergey P.,
Determination of vapor pressures and enthalpies of vaporization of 1,2-alkanediols,
Fluid Phase Equilibria, 2004, 224, 1, 23-29, https://doi.org/10.1016/j.fluid.2004.05.010
. [all data]
Derawi, Michelsen, et al., 2003
Derawi, Samer O.; Michelsen, Michael L.; Kontogeorgis, Georgios M.; Stenby, Erling H.,
Application of the CPA equation of state to glycol/hydrocarbons liquid--liquid equilibria,
Fluid Phase Equilibria, 2003, 209, 2, 163-184, https://doi.org/10.1016/S0378-3812(03)00056-6
. [all data]
Mokbel, Porcedda, et al., 1999
Mokbel, I.; Porcedda, S.; Guetachew, T.; Marongiu, B.; Jose, J.,
Static measurements of the total vapor pressure of ethane-1,2-diol + water mixtures at temperatures from 258 K to 363 K,
ELDATA: Int. Electron. J. Phys. Chem. Data, 1999, 5, 2, 79. [all data]
Knauth and Sabbah, 1990
Knauth, P.; Sabbah, R.,
Energetics of intra- and intermolecular bonds in ω-alkanediols (II) Thermochemical study of 1,2-ethanediol, 1,3-propanediol, 1,4-butanediol, and 1,5-pentanediol at 298.15K,
Struct. Chem., 1990, 1, 43-46. [all data]
Knauth and Sabbah, 1988
Knauth, P.; Sabbah, R.,
Energetics of intra- and intermolecular bonds in ω-alkanediols. I. Calorimetric investigation of the enthalpies of vaporization at 298.15 K,
Bull. Soc. Chim. Fr., 1988, 5, 834. [all data]
Knauth and Sabbah, 1988, 2
Knauth, P.; Sabbah, R.,
Energetique des liaisons intra- et intermoleculaires dans la serie des <omega>-alcanediols. I : etude calorimetrique des enthalpies de vaporisation a 298,15 K,
Bull. Soc. Chim. Fr., 1988, 834-836. [all data]
Ambrose and Hall, 1981
Ambrose, D.; Hall, D.J.,
Thermodynamic properties of organic oxygen compounds L. The vapour pressures of 1,2-ethanediol (ethylene glycol) and bis(2-hydroxyethyl) ether (diethylene glycol),
The Journal of Chemical Thermodynamics, 1981, 13, 1, 61-66, https://doi.org/10.1016/S0021-9614(81)80009-2
. [all data]
Hales, Cogman, et al., 1981
Hales, J.L.; Cogman, R.C.; Frith, W.J.,
A transpiration-g.l.c. apparatus for measurement of low vapour concentration,
The Journal of Chemical Thermodynamics, 1981, 13, 6, 591-601, https://doi.org/10.1016/0021-9614(81)90117-8
. [all data]
Joo and Arlt, 1981
Joo, Hyoek-Jong; Arlt, Wolfgang,
Vapor-liquid equilibrium for the binary systems ethylene glycol-n-amyl alcohol and ethylene glycol-isoamyl alcohol,
J. Chem. Eng. Data, 1981, 26, 2, 138-140, https://doi.org/10.1021/je00024a010
. [all data]
Gardner and Hussain, 1972
Gardner, P.J.; Hussain, K.S.,
The standard enthalpies of formation of some aliphatic diols,
J. Chem. Thermodyn., 1972, 4, 819-827. [all data]
Gallaugher and Hibbert, 1937
Gallaugher, A.F.; Hibbert, H.,
Studies on reactions relating to carbohydrates and polysaccharides. LV. Vapor pressures of the polyethylene glycols and their derivatives,
J. Am. Chem. Soc., 1937, 59, 2521-2525. [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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