Ethane, 1,1,1-trimethoxy-
- Formula: C5H12O3
- Molecular weight: 120.1470
- IUPAC Standard InChI: InChI=1S/C5H12O3/c1-5(6-2,7-3)8-4/h1-4H3
- IUPAC Standard InChIKey: HDPNBNXLBDFELL-UHFFFAOYSA-N
- CAS Registry Number: 1445-45-0
- 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: Orthoacetic acid, trimethyl ester; Methyl orthoacetate; Trimethyl orthoacetate; 1,1,1-Trimethoxyethane; CH3C(OCH3)3
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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 by: 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: C5H12O3 + H2O = 2CH4O + C3H6O2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -26.89 ± 0.03 | kJ/mol | Cm | Wiberg, Martin, et al., 1985 | liquid phase; solvent: Aqueous dioxane |
| ΔrH° | -27.046 ± 0.030 | kJ/mol | Cm | Wiberg and Squires, 1979 | liquid phase; solvent: Water; Hydrolysis |
+
=
+ 2
By formula: C5H12O3 + H2O = C3H6O2 + 2CH4O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -26.3 ± 2.7 | kJ/mol | Cm | Hine and Klueppet, 1974 | liquid phase |
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.
Wiberg, Martin, et al., 1985
Wiberg, K.B.; Martin, E.J.; Squires, R.R.,
Thermochemical studies of carbonyl compounds. 3. Enthalpies of hydrolysis of ortho esters,
J. Org. Chem., 1985, 50, 4717-4720. [all data]
Wiberg and Squires, 1979
Wiberg, K.B.; Squires, R.R.,
A microprocessor-controlled system for precise measurement of temperature changes. Determination of the enthalpies of hydrolysis of some polyoxygenated hydrocarbons,
J. Chem. Thermodyn., 1979, 11, 773-786. [all data]
Hine and Klueppet, 1974
Hine, J.; Klueppet, A.W.,
Structural effects on rates and equilibria. XVIII. Thermodynamic stability of ortho esters,
J. Am. Chem. Soc., 1974, 96, 2924-2929. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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