Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Acetic acid, methoxy-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


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

MeOCH2CO2 anion + Hydrogen cation = Acetic acid, methoxy-

By formula: C3H5O3- + H+ = C3H6O3

Quantity Value Units Method Reference Comment
Deltar1431. ± 8.8kJ/molG+TSCaldwell, Renneboog, et al., 1989gas phase; B
Deltar1433. ± 8.8kJ/molG+TSTaft and Topsom, 1987gas phase; B
Quantity Value Units Method Reference Comment
Deltar1403. ± 8.4kJ/molIMRECaldwell, Renneboog, et al., 1989gas phase; B
Deltar1406. ± 8.4kJ/molIMRETaft and Topsom, 1987gas phase; B

Acetic acid, methoxy-, methyl ester + Water = Acetic acid, methoxy- + Methyl Alcohol

By formula: C4H8O3 + H2O = C3H6O3 + CH4O

Quantity Value Units Method Reference Comment
Deltar-65.6 ± 5.9kJ/molEqkGuthrie and Cullimore, 1980liquid phase; ALS

Acetic anhydride + 2Acetic acid, methoxy- = Acetic acid, methoxy-, anhydride + 2Acetic acid

By formula: C4H6O3 + 2C3H6O3 = C6H10O5 + 2C2H4O2

Quantity Value Units Method Reference Comment
Deltar0.0kJ/molEqkUtkin, Bogel'fer, et al., 1991liquid phase; NMR; ALS

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.

Caldwell, Renneboog, et al., 1989
Caldwell, G.; Renneboog, R.; Kebarle, P., Gas Phase Acidities of Aliphatic Carboxylic Acids, Based on Measurements of Proton Transfer Equilibria, Can. J. Chem., 1989, 67, 4, 661, https://doi.org/10.1139/v89-092 . [all data]

Taft and Topsom, 1987
Taft, R.W.; Topsom, R.D., The Nature and Analysis of Substituent Effects, Prog. Phys. Org. Chem., 1987, 16, 1. [all data]

Guthrie and Cullimore, 1980
Guthrie, J.P.; Cullimore, P.A., Effect of the acyl substituent on the equilibrium constant for hydration of esters, Can. J. Chem., 1980, 58, 1281-1294. [all data]

Utkin, Bogel'fer, et al., 1991
Utkin, A.Yu.; Bogel'fer, L.Ya.; Chimishkyan, A.L., Reversible reactions in the acidolysis of methyoxyacetic acid by acetic anhydride, Russ. J. Phys. Chem. (Engl. Transl.), 1991, 65, 1049-1059, In original 1974. [all data]


Notes

Go To: Top, Reaction thermochemistry data, References