4-Hydroxybenzamide
- Formula: C7H7NO2
- Molecular weight: 137.1360
- IUPAC Standard InChI: InChI=1S/C7H7NO2/c8-7(10)5-1-3-6(9)4-2-5/h1-4,9H,(H2,8,10)
- IUPAC Standard InChIKey: QXSAKPUBHTZHKW-UHFFFAOYSA-N
- CAS Registry Number: 619-57-8
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: 4-Hydroxyphenylacetamide; p-Hydroxybenzamide; p-Hydroxyphenyl acetamide; Benzamide, 4-hydroxy-
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Phase change 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: William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 129.7 ± 1.9 | kJ/mol | C | Bernardes and Minas da Piedade, 2008 | |
| ΔsubH° | 117.8 ± 0.6 | kJ/mol | GS | Perlovich, Hansen, et al., 2007 | Based on data from 360. to 420. K. |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 115.6 ± 0.6 | 390. | GS | Perlovich, Hansen, et al., 2007 | Based on data from 360. to 420. K. |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Method | Reference |
|---|---|---|---|
| 25.4 | 433.8 | DSC | Bernardes and Minas da Piedade, 2008 |
| 25.2 | 433.2 | DSC | Perlovich, Hansen, et al., 2007 |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Bernardes and Minas da Piedade, 2008
Bernardes, Carlos E.S.; Minas da Piedade, Manuel E.,
Energetics of the O-H Bond and of Intramolecular Hydrogen Bonding in HOC 6 H 4 C(O)Y (Y = H, CH 3 , CH 2 CH«58875»CH 2 , C«58876»CH, CH 2 F, NH 2 , NHCH 3 , NO 2 , OH, OCH 3 , OCN, CN, F, Cl, SH, and SCH 3 ) Compounds,
J. Phys. Chem. A, 2008, 112, 40, 10029-10039, https://doi.org/10.1021/jp804455u
. [all data]
Perlovich, Hansen, et al., 2007
Perlovich, German L.; Hansen, Lars Kr.; Volkova, Tatyana V.; Mirza, Sabiruddin; Manin, Alex N.; Bauer-Brandl, Annette,
Thermodynamic and Structural Aspects of Hydrated and Unhydrated Phases of 4-Hydroxybenzamide,
Crystal Growth & Design, 2007, 7, 12, 2643-2648, https://doi.org/10.1021/cg7006588
. [all data]
Notes
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- Symbols used in this document:
ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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