DL-Tartaric acid
- Formula: C4H6O6
- Molecular weight: 150.0868
- IUPAC Standard InChI: InChI=1S/C4H6O6/c5-1(3(7)8)2(6)4(9)10/h1-2,5-6H,(H,7,8)(H,9,10)
- IUPAC Standard InChIKey: FEWJPZIEWOKRBE-UHFFFAOYSA-N
- CAS Registry Number: 133-37-9
- 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: Butanedioic acid, 2,3-dihydroxy-(R*,R*)-(.+/-.)-; Paratartaric acid; (.+/-.)-Tartaric acid; Paratartaric aicd; Racemic acid; Racemic tartaric acid; Resolvable tartaric acid; Tartaric acid, (DL)-; Tartaric acid, (.+/-.)-; Traubensaure; Uvic acid; Dihydroxysuccinic acid, (DL)-; dl-2,3-dihydroxybutanedioic acid; 2,3-Dihydroxysuccinic acid, (DL)-; (2RS,3RS)-Tartaric acid; Butanedioic acid, 2,3-dihydroxy-, (2R,3R)-rel-; Butanedioic acid, 2,3-dihydroxy-, (R*,R*)-; NSC 148314; Tartaric acid; (±)-tartaric acid
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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 |
|---|---|---|---|---|---|
| ΔcH°solid | -1154. | kJ/mol | Ccb | Dunken and Wolf, 1938 | Corresponding ΔfHºsolid = -1278. kJ/mol (simple calculation by NIST; no Washburn corrections) |
| ΔcH°solid | -1142. ± 0.3 | kJ/mol | Ccb | Coops and Verkade, 1925 | At 288 K; Corresponding ΔfHºsolid = -1289. kJ/mol (simple calculation by NIST; no Washburn corrections) |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Dunken and Wolf, 1938
Dunken, H.; Wolf, K.L.,
Uber Verbrennungswarmen und innermolekulare Ordnungszustande,
Z. Phys. Chem., 1938, 38, 441-450. [all data]
Coops and Verkade, 1925
Coops, J.; Verkade, P.E.,
Calorimetric researches. - IX. The heat of combustion of f. and meso-tartaric acids, reacemic acid and a number of their derivatives,
Recl. Trav. Chim. Pays-Bas, 1925, 983-1011. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
ΔcH°solid Enthalpy of combustion of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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