2,5-Dimethoxybenzoic acid
- Formula: C9H10O4
- Molecular weight: 182.1733
- IUPAC Standard InChI: InChI=1S/C9H10O4/c1-12-6-3-4-8(13-2)7(5-6)9(10)11/h3-5H,1-2H3,(H,10,11)
- IUPAC Standard InChIKey: NYJBTJMNTNCTCP-UHFFFAOYSA-N
- CAS Registry Number: 2785-98-0
- 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: Benzoic acid, 2,5-dimethoxy-
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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
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 27.7 ± 0.2 | kcal/mol | V | Jimenex, Roux, et al., 1996 | ALS |
| ΔsubH° | 27.75 | kcal/mol | N/A | Jimenex, Roux, et al., 1996 | DRB |
| ΔsubH° | 27.7 ± 0.2 | kcal/mol | ME | Jimenex, Roux, et al., 1996 | Based on data from 324. to 342. K.; AC |
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 27.1 ± 0.2 | 333. | ME | Jimenex, Roux, et al., 1996 | Based on data from 324. to 342. 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.
Jimenex, Roux, et al., 1996
Jimenex, P.; Roux, M.V.; Kulhanek, J.; Exner, O.,
Enthalpies of formation of methoxybenzoic acids and their dependence on structure,
Struct. Chem., 1996, 7, 375-381. [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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