Diclofenac
- Formula: C14H11Cl2NO2
- Molecular weight: 296.149
- IUPAC Standard InChI: InChI=1S/C14H11Cl2NO2/c15-10-5-3-6-11(16)14(10)17-12-7-2-1-4-9(12)8-13(18)19/h1-7,17H,8H2,(H,18,19)
- IUPAC Standard InChIKey: DCOPUUMXTXDBNB-UHFFFAOYSA-N
- CAS Registry Number: 15307-86-5
- 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. - Other names: Benzeneacetic acid, 2-[(2,6-dichlorophenyl)amino]-; Acetic acid, (o-(2,6-dichloroanilino)phenyl)-; Dichlofenac; Diclofenac acid; 2-[(2,6-Dichlorophenyl)amino]benzeneacetic acid; 2-[(2,6-Dichlorophenyl)amino]benzoic acid (diclofenac acid)
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Phase change 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: William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 115.6 ± 1.3 | kJ/mol | GS | Perlovich, Surov, et al., 2007 | Based on data from 323. to 355. K. See also Surov, Terekhova, et al., 2009. |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 114.7 ± 1.3 | 339. | GS | Perlovich, Surov, et al., 2007 | Based on data from 323. to 355. K. See also Surov, Terekhova, et al., 2009. |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Method | Reference |
|---|---|---|---|
| 40.4 | 452.6 | DSC | Surov, Terekhova, et al., 2009 |
| 39.4 | 454.2 | DSC | Pasquali, Bettini, 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.
Perlovich, Surov, et al., 2007
Perlovich, German L.; Surov, Artem O.; Hansen, Lars Kr.; Bauer-Brandl, Annette,
Energetic aspects of diclofenac acid in crystal modifications and in solutions---mechanism of solvation, partitioning and distribution,
J. Pharm. Sci., 2007, 96, 5, 1031-1042, https://doi.org/10.1002/jps.20936
. [all data]
Surov, Terekhova, et al., 2009
Surov, Artem O.; Terekhova, Irina V.; Bauer-Brandl, Annette; Perlovich, German L.,
Thermodynamic and Structural Aspects of Some Fenamate Molecular Crystals,
Crystal Growth & Design, 2009, 9, 7, 3265-3272, https://doi.org/10.1021/cg900002q
. [all data]
Pasquali, Bettini, et al., 2007
Pasquali, Irene; Bettini, R.; Giordano, F.,
Thermal behaviour of diclofenac, diclofenac sodium and sodium bicarbonate compositions,
J Therm Anal Calorim, 2007, 90, 3, 903-907, https://doi.org/10.1007/s10973-006-8182-1
. [all data]
Notes
Go To: Top, Phase change data, References
- 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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