Monomethyl carbonate
- Formula: C2H4O3
- Molecular weight: 76.0514
- IUPAC Standard InChI: InChI=1S/C2H4O3/c1-5-2(3)4/h1H3,(H,3,4)/p-1
- IUPAC Standard InChIKey: CXHHBNMLPJOKQD-UHFFFAOYSA-M
- CAS Registry Number: 7456-87-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Data at other public NIST sites:
- Options:
Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -145.1 ± 0.6 | kcal/mol | Eqk | Hemmaplardh and King, 1972 |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -155.5 ± 1.2 | kcal/mol | Kin | Behrendt and Gattow, 1973 |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, 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: William E. Acree, Jr., James S. Chickos
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 4.35 ± 0.38 | 220. | Behrendt and Gattow, 1973 | Based on data from 204. to 237. K. |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, 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
=
+
By formula: C2H4O3 = CO2 + CH4O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.4 ± 0.4 | kcal/mol | Kin | Behrendt and Gattow, 1973 | solid phase |
| ΔrH° | 3.0 ± 0.9 | kcal/mol | Eqk | Hemmaplardh and King, 1972 | gas phase |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hemmaplardh and King, 1972
Hemmaplardh, B.; King, A.D., Jr.,
Solubility of methanol in compressed nitrogen, argon, methane, ethylene, ethane, carbon dioxide, and nitrous oxide. Evidence for association of carbon dioxide with methanol in the gas phase,
J. Phys. Chem., 1972, 76, 2170-2175. [all data]
Behrendt and Gattow, 1973
Behrendt, W.; Gattow, G.,
Uber Chalkogenolates. LXII. Untersuchungen uber Halbester der Kohlensaure 2. Darstellung und Eigenschaften der Monomethylkohlensaure,
Z. Anorg. Allg. Chem., 1973, 398, 198-206. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.