2,4-Dinitrobenzoic acid
- Formula: C7H4N2O6
- Molecular weight: 212.1165
- IUPAC Standard InChI: InChI=1S/C7H4N2O6/c10-7(11)5-2-1-4(8(12)13)3-6(5)9(14)15/h1-3H,(H,10,11)
- IUPAC Standard InChIKey: ZIIGSRYPZWDGBT-UHFFFAOYSA-N
- CAS Registry Number: 610-30-0
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Benzoic acid, 2,4-dinitro-
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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° | 135. ± 2. | kJ/mol | TE | Vecchio and Brunetti, 2009 | Based on data from 364. to 402. K. |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 92. ± 3. | 522. | TGA | Vecchio and Brunetti, 2009 | Based on data from 503. to 544. K. |
| 91. ± 1. | 517. | TGA | Vecchio and Brunetti, 2009 | Based on data from 494. to 539. K. |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 132. ± 2. | 383. | TE | Vecchio and Brunetti, 2009 | Based on data from 364. to 402. K. |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Method | Reference |
|---|---|---|---|
| 30.6 | 455.8 | DSC | Vecchio and Brunetti, 2009 |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Vecchio and Brunetti, 2009
Vecchio, Stefano; Brunetti, Bruno,
Vapor pressures and standard molar enthalpies, entropies, and Gibbs free energies of sublimation of 2,4- and 3,4-dinitrobenzoic acids,
The Journal of Chemical Thermodynamics, 2009, 41, 7, 880-887, https://doi.org/10.1016/j.jct.2009.02.008
. [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 ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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