Benzoic acid, 3,4-dinitro-
- Formula: C7H4N2O6
- Molecular weight: 212.1165
- IUPAC Standard InChI: InChI=1S/C7H4N2O6/c10-7(11)4-1-2-5(8(12)13)6(3-4)9(14)15/h1-3H,(H,10,11)
- IUPAC Standard InChIKey: OMVRRHJJQILIJX-UHFFFAOYSA-N
- CAS Registry Number: 528-45-0
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: 3,4-Dinitrobenzoic acid
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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. ± 2. | kJ/mol | TE | Vecchio and Brunetti, 2009 | Based on data from 366. - 399. K. |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 91. ± 3. | 529. | TGA | Vecchio and Brunetti, 2009 | Based on data from 518. - 540. K. |
| 91. ± 1. | 521. | TGA | Vecchio and Brunetti, 2009 | Based on data from 506. - 536. K. |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 126. ± 2. | 386. | TE | Vecchio and Brunetti, 2009 | Based on data from 366. - 399. K. |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Method | Reference |
|---|---|---|---|
| 24.6 | 438.2 | DSC | Vecchio and Brunetti, 2009 |
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.
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
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 ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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