Benzoic acid, 3,4-dimethoxy-
- Formula: C9H10O4
- Molecular weight: 182.1733
- IUPAC Standard InChI: InChI=1S/C9H10O4/c1-12-7-4-3-6(9(10)11)5-8(7)13-2/h3-5H,1-2H3,(H,10,11)
- IUPAC Standard InChIKey: DAUAQNGYDSHRET-UHFFFAOYSA-N
- CAS Registry Number: 93-07-2
- 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: Veratric acid; Dimethylprotocatechuic acid; 3,4-Dimethoxybenzoic acid; 3,4-Dimethylprotocatechuic acid; Veratrumenoic acid; Veratrylic acid; NSC 7721
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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 31.0 ± 0.1 | kcal/mol | V | Colomina, Jimenez, et al., 1985 | ALS |
| ΔsubH° | 31.0 ± 0.1 | kcal/mol | ME | Colomina, Jiménez, et al., 1985 | Based on data from 359. - 378. K.; AC |
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 30.1 ± 0.1 | 369. | ME | Colomina, Jiménez, et al., 1985 | Based on data from 359. - 378. K.; AC |
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.
Colomina, Jimenez, et al., 1985
Colomina, M.; Jimenez, P.; Roux, M.V.; Turrion, C.,
Thermochemical properties of benzoic acid derivatives. XII. Vapour pressures and enthalpies of sublimation and formation of five dimethoxybenzoic acids,
J. Chem. Thermodyn., 1985, 17, 1091-10. [all data]
Colomina, Jiménez, et al., 1985
Colomina, M.; Jiménez, P.; Roux, M.V.; Turrión, C.,
Thermochemical properties of benzoic acid derivatives XII. Vapour pressures and enthalpies of sublimation and formation of five dimethoxybenzoic acids,
The Journal of Chemical Thermodynamics, 1985, 17, 11, 1091-1096, https://doi.org/10.1016/0021-9614(85)90096-5
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
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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