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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Gas phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -578.6 ± 2.2 | kJ/mol | Ccb | Jimenex, Roux, et al., 1996 |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Normal alkane RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Packed | Apieson L | 140. | 1431. | Hedin, Minyard, et al., 1967 | Nitrogen, Chromosorb W HMDS (60-80 mesh); Column length: 1.8 m |
References
Go To: Top, Gas phase thermochemistry data, Gas Chromatography, Notes
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]
Hedin, Minyard, et al., 1967
Hedin, P.A.; Minyard, J.P.; Thompson, A.C.,
Chromatographic and spectral analysis of phenolic acids and related compounds,
J. Chromatogr., 1967, 30, 43-53, https://doi.org/10.1016/S0021-9673(00)84111-4
. [all data]
Notes
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- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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