1,2-Ethanediol
- Formula: C2H6O2
- Molecular weight: 62.0678
- IUPAC Standard InChI: InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
- 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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- Other data available:
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Reaction thermochemistry data
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:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
( •
) +
= (
• 2
)
By formula: (Cl- • C2H6O2) + C2H6O2 = (Cl- • 2C2H6O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 15.9 ± 1.2 | kcal/mol | TDAs | Zhang, Beglinger, et al., 1995 | gas phase; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 9.3 ± 1.0 | kcal/mol | TDAs | Zhang, Beglinger, et al., 1995 | gas phase; B |
+
= (
•
)
By formula: Cl- + C2H6O2 = (Cl- • C2H6O2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 25.3 ± 1.0 | kcal/mol | TDAs | Zhang, Beglinger, et al., 1995 | gas phase; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 16.6 ± 1.0 | kcal/mol | TDAs | Zhang, Beglinger, et al., 1995 | gas phase; B |
C2H5O2- + =
By formula: C2H5O2- + H+ = C2H6O2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 365.1 ± 2.5 | kcal/mol | G+TS | Crowder and Bartmess, 1993 | gas phase; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 360.9 ± 2.0 | kcal/mol | IMRE | Crowder and Bartmess, 1993 | gas phase; B |
+
=
+
By formula: C2H6O2 + C3H6O = C5H10O2 + H2O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -2.4 | kcal/mol | Eqk | Anteunis and Rommelaere, 1970 | liquid phase; ALS |
+
=
+
By formula: C2H6O2 + HNO3 = C2H5NO4 + H2O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -1.9 | kcal/mol | Cm | Tsvetkov, Sopin, et al., 1986 | liquid phase; ALS |
+
= C2H6NO3-
By formula: NO- + C2H6O2 = C2H6NO3-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 27.00 | kcal/mol | N/A | Hendricks, de Clercq, et al., 2002 | gas phase; B |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Zhang, Beglinger, et al., 1995
Zhang, W.; Beglinger, C.; Stone, J.A.,
High-pressure mass spectrometric study of the gas-phase association of Cl- with alpha,omega-diols,
J. Phys. Chem., 1995, 99, 30, 11673, https://doi.org/10.1021/j100030a009
. [all data]
Crowder and Bartmess, 1993
Crowder, C.; Bartmess, J.,
The Gas Phase Acidities of Diols,
J. Am. Soc. Mass Spectrom., 1993, 4, 9, 723, https://doi.org/10.1016/1044-0305(93)80051-Y
. [all data]
Anteunis and Rommelaere, 1970
Anteunis, M.; Rommelaere, Y.,
NMR experiments on acetals. XXIX. The ease of acetonide formation of some glycols,
Bull. Soc. Chim. Belg., 1970, 79, 523-530. [all data]
Tsvetkov, Sopin, et al., 1986
Tsvetkov, V.G.; Sopin, V.P.; Tsvetkova, L.Ya.; Marchenko, G.N.,
Enthalpy of reaction of nitric acid with some organic compounds,
J. Gen. Chem. USSR, 1986, 56, 471-474. [all data]
Hendricks, de Clercq, et al., 2002
Hendricks, J.H.; de Clercq, H.L.; Freidhoff, C.B.; Arnold, S.T.; Eaton, J.G.; Fancher, C.; Lyapustina, S.A.; S.,
Anion solvation at the microscopic level: Photoelectron spectroscopy of the solvated anion clusters, NO-(Y)(n), where Y=Ar, Kr, Xe, N2O, H2S, NH3, H2O, and C2H4(OH)(2),
J. Chem. Phys., 2002, 116, 18, 7926-7938, https://doi.org/10.1063/1.1457444
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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