DL-Phenylalanine
- Formula: C9H11NO2
- Molecular weight: 165.1891
- IUPAC Standard InChI: InChI=1S/C9H11NO2/c10-8(9(11)12)6-7-4-2-1-3-5-7/h1-5,8H,6,10H2,(H,11,12)
- IUPAC Standard InChIKey: COLNVLDHVKWLRT-UHFFFAOYSA-N
- CAS Registry Number: 150-30-1
- 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: DL-β-Phenylalanine; β-Phenylalanine, dl-; (.+/-.)-Phenylalanine; Alanine, phenyl-, DL-; DL-α-Amino-β-phenylpropionic acid; DL-β-Phenyl-α-alanine; DL-2-Amino-3-phenylpropanoic acid; DL-3-Phenylalanine; DLPA; 2-Amino-3-phenylpropionic acid, dl-; NSC 9959; Phenylalanine; L-Phenylalanine
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Condensed phase thermochemistry data
Go To: Top, 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 | -460.6 ± 2.6 | kJ/mol | Ccb | Breitenbach, Derkosch, et al., 1952 | Reanalyzed by Cox and Pilcher, 1970, Original value = -459.0 kJ/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -4653.0 ± 2.5 | kJ/mol | Ccb | Breitenbach, Derkosch, et al., 1952 | Reanalyzed by Cox and Pilcher, 1970, Original value = -4653.9 kJ/mol |
| ΔcH°solid | -4664.3 | kJ/mol | Ccb | Fischer and Wrede, 1904 | Heat of combustion corrected for pressure |
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.
Breitenbach, Derkosch, et al., 1952
Breitenbach, J.W.; Derkosch, J.; Wessely, F.,
Energetik der bildung hochmolekularer polypeptide,
Monatsh. Chem., 1952, 83, 591. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Fischer and Wrede, 1904
Fischer, E.; Wrede, F.,
Uber die Verbrennungswarme einiger organischer Verbindungen,
Sitzungsber. Dtsch. Akad. Wiss. Berlin Kl. Math. Phys. Tech., 1904, 687-715. [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 ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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