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
Go To: Top, Mass spectrum (electron ionization), 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 |
|---|---|---|---|---|---|
| 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) |
Mass spectrum (electron ionization)
Go To: Top, Condensed phase 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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| Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | Japan AIST/NIMC Database- Spectrum MS-NW-5031 |
| NIST MS number | 230145 |
References
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), 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, Mass spectrum (electron ionization), 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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