Benzoic acid, 3,4,5-trimethoxy-
- Formula: C10H12O5
- Molecular weight: 212.1993
- IUPAC Standard InChI: InChI=1S/C10H12O5/c1-13-7-4-6(10(11)12)5-8(14-2)9(7)15-3/h4-5H,1-3H3,(H,11,12)
- IUPAC Standard InChIKey: SJSOFNCYXJUNBT-UHFFFAOYSA-N
- CAS Registry Number: 118-41-2
- 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: Eudesmic acid; Gallic acid trimethyl ether; Tri-O-methylgallic acid; Veratric acid, 5-methoxy-; 3,4,5-Trimethoxybenzoic acid; Trimethylgallic acid; NSC 2525
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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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 131.2 ± 0.8 | kJ/mol | ME | Roux, Jiménez, et al., 2001 | AC |
Reduced pressure boiling point
| Tboil (K) | Pressure (bar) | Reference | Comment |
|---|---|---|---|
| 499.2 | 0.013 | Weast and Grasselli, 1989 | BS |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 127.9 ± 0.8 | 363. | ME | Roux, Jiménez, et al., 2001 | Based on data from 354. to 372. K.; AC |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 29.9 | 444.5 | DSC | Huang, 2003 | See also Huang, Tang, et al., 2005.; AC |
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.
Roux, Jiménez, et al., 2001
Roux, Maria Victoria; Jiménez, Pilar; Mayorga, Paola-Andrea; Dávalos, Juan Z.; Böhm, Stanislav; Exner, Otto,
Energy of Crowded Molecules: 3,4,5-Trimethoxybenzoic Acid,
J. Phys. Chem. A, 2001, 105, 33, 7926-7932, https://doi.org/10.1021/jp011188r
. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Huang, 2003
Huang, C.-Y.,
, M.S. Thesis, Chinese Culture University, 2003. [all data]
Huang, Tang, et al., 2005
Huang, Chih-Yung; Tang, Muoi; Chen, Yan-Ping,
Solid-Liquid Equilibria for 3-Aminophenol + 2-Aminophenol, 4-(Acetylamino)toluene + 2-(Acetylamino)toluene, and 3,4,5-Trimethoxybenzoic Acid + 2,4,5-Trimethoxybenzoic Acid,
J. Chem. Eng. Data, 2005, 50, 1, 40-43, https://doi.org/10.1021/je049878m
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point ΔfusH Enthalpy of fusion 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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