Urea, phenyl-
- Formula: C7H8N2O
- Molecular weight: 136.1512
- IUPAC Standard InChI: InChI=1S/C7H8N2O/c8-7(10)9-6-4-2-1-3-5-6/h1-5H,(H3,8,9,10)
- IUPAC Standard InChIKey: LUBJCRLGQSPQNN-UHFFFAOYSA-N
- CAS Registry Number: 64-10-8
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Monophenylurea; N-Phenylurea; Phenylcarbamide; Phenylurea; Stabilisator VH; Stabilizer VH; VH; 1-Phenylurea; PC; NSC 2781; Urea, N-phenyl
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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 | -55.33 ± 0.53 | kcal/mol | Ccb | Kulagina and Kiparisova, 1987 | |
| ΔfH°solid | -52.24 ± 0.57 | kcal/mol | Ccb | Simirsky, Kabo, et al., 1987 | Heat of combustion is not reported |
| ΔfH°solid | -51.3 | kcal/mol | Ccb | Schmidt and Becker, 1933 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -876.29 ± 0.53 | kcal/mol | Ccb | Kulagina and Kiparisova, 1987 | |
| ΔcH°solid | -880.4 | kcal/mol | Ccb | Schmidt and Becker, 1933 |
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.
Kulagina and Kiparisova, 1987
Kulagina, T.G.; Kiparisova, E.G.,
Enthalpies of combustion and of formation of derivatives of carbamide,
Russ. J. Phys. Chem. (Engl. Transl.), 1987, 61, 261-262. [all data]
Simirsky, Kabo, et al., 1987
Simirsky, V.V.; Kabo, G.J.; Frenkel, M.L.,
Additivity of the enthalpies of formation of urea derivatives in the crystalline state,
J. Chem. Thermodyn., 1987, 19, 1121-1127. [all data]
Schmidt and Becker, 1933
Schmidt, V.A.; Becker, F.,
Die Bildungswarme von Nitrocellulofen, Nitroglycerin und anderen widuigen Beltandteilen von Treibmitteln,
Z. Gesamte Schiess Sprengstoffwes., 1933, 33, 280-282. [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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