Oxalacetic acid
- Formula: C4H4O5
- Molecular weight: 132.0716
- IUPAC Standard InChI: InChI=1S/C4H4O5/c5-2(4(8)9)1-3(6)7/h1H2,(H,6,7)(H,8,9)
- IUPAC Standard InChIKey: KHPXUQMNIQBQEV-UHFFFAOYSA-N
- CAS Registry Number: 328-42-7
- 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: Oxaloacetic acid; Butanedioic acid, oxo-; Ketosuccinic acid; Oxosuccinic acid; OAA; 2-Ketosuccinic acid; 2-Oxosuccinic acid; Butanedioic acid, 2-oxo-; NSC 77688
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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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -225.43 | kcal/mol | Ccb | Kobenina and Pobedinskaya, 1983 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -288.141 | kcal/mol | Ccb | Kobenina and Pobedinskaya, 1983 | Corresponding ΔfHºsolid = -224.69 kcal/mol (simple calculation by NIST; no Washburn corrections) |
UV/Visible spectrum
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spectrum
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Additional Data
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| Source | Hess and Reed, 1972 |
|---|---|
| Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
| Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
| Source reference | RAS UV No. 16209 |
| Instrument | Unicam SP 800 |
| Melting point | 142 dec. |
References
Go To: Top, Condensed phase thermochemistry data, UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Kobenina and Pobedinskaya, 1983
Kobenina, N.M.; Pobedinskaya, A.I.,
Standard heats of combustion and formation of cis-aconitic, α-oxoglutaric, and oxalacetic acids,
Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1983, 26, 1015-1016. [all data]
Hess and Reed, 1972
Hess, J.L.; Reed, R.E.,
Arch. Biochem. Biophys., 1972, 153, 226. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, UV/Visible spectrum, References
- Symbols used in this document:
ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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