2-Butenedioic acid (Z)-, dimethyl ester
- Formula: C6H8O4
- Molecular weight: 144.1253
- IUPAC Standard InChIKey: LDCRTTXIJACKKU-ARJAWSKDSA-N
- CAS Registry Number: 624-48-6
- 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. - Stereoisomers:
- Other names: Maleic acid, dimethyl ester; Dimethyl cis-ethylenedicarboxylate; Dimethyl maleate; Methyl maleate; Sipomer DMM; Dimethyl cis-butenedioate; 2-Butenedioic acid, dimethyl ester, (Z)-; Dimethylester kyseliny maleinove; 2-Butendioic acid, dimethyl ester, (Z)-; Dimethyl (2Z)-but-2-enedioate; 2-Butenedioic acid (2Z)-, 1,4-dimethyl ester; 2-Butenedioic acid (2Z)-, dimethyl ester
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Condensed phase thermochemistry data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
39.01 | 298. | Wassermann, 1930 | T = 0 to 99°C. |
Phase change data
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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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 477.7 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 254. | K | N/A | Timmermans, 1935 | Uncertainty assigned by TRC = 1.5 K; TRC |
Tfus | 254. | K | N/A | Wassermann, 1930, 2 | Uncertainty assigned by TRC = 2. K; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.4 | 400. | A | Stephenson and Malanowski, 1987 | Based on data from 385. to 421. K.; AC |
12.9 | 334. | N/A | Stull, 1947 | Based on data from 318. to 478. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
318.9 to 478. | 5.31332 | 2404.877 | -25.365 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
10.6 ± 1.0 | 332. | V | Wolf and Weghofer, 1938 | ALS |
10. ± 1.0 | 317. to 341. | N/A | Wolf and Trieschmann, 1934 | AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
3.499 | 254. | Domalski and Hearing, 1996 | AC |
3.4990 | 254. | Wassermann, 1930 | DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
14. | 254. | Wassermann, 1930 | DH |
Reaction thermochemistry data
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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: H2 + C6H8O4 = C6H10O4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -106.8 | kcal/mol | Chyd | Veselova and Sul'man, 1980 | liquid phase |
Gas phase ion energetics data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.3 | PE | Kobayashi, Yokota, et al., 1975 | Vertical value |
10.47 | PE | Sustmann and Trill, 1972 | Vertical value |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Wassermann, 1930
Wassermann, A.,
Die zwischenmolekularen Bindungsfestigkeiten der Fumar- und Maleinsäure and ihrer Dimethylester,
Z. Physik. Chem., 1930, A146, 418-445. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Timmermans, 1935
Timmermans, J.,
Researches in Stoichiometry. I. The Heat of Fusion of Organic Compounds.,
Bull. Soc. Chim. Belg., 1935, 44, 17-40. [all data]
Wassermann, 1930, 2
Wassermann, A.,
The Intermolecular Binding Stability of Fumaric and Maleic Acids and Their Dimethyl Esters,
Z. Phys. Chem., Abt. A, 1930, 146, 418. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Wolf and Weghofer, 1938
Wolf, K.L.; Weghofer, H.,
Uber sublimationswarmen,
Z. Phys. Chem., 1938, 39, 194-208. [all data]
Wolf and Trieschmann, 1934
Wolf, K.L.; Trieschmann, H.G.,
Z. Phys. Chem. Abt. B, 1934, 27, 376. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Veselova and Sul'man, 1980
Veselova, M.E.; Sul'man, E.M.,
Effect of the chemical structure of α,β-unsaturated esters and ketones on the selectivity of their hydrogenation,
Svoistva Veshchestv i Stroenie Molekul, Kalinin, 1980, 140-143. [all data]
Kobayashi, Yokota, et al., 1975
Kobayashi, T.; Yokota, K.; Nagakura, S.,
Photoelectron spectra of the cis- trans-isomers of some ethylene derivatives,
Bull. Chem. Soc. Jpn., 1975, 48, 412. [all data]
Sustmann and Trill, 1972
Sustmann, R.; Trill, H.,
Photoelektronenspektroskopische Bestimmung von Substituenten-Effekten. II. α,β-ungesattigte Carbonester,
Tetrahedron Lett., 1972, 42, 4271. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Tboil Boiling point Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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