Benzoic acid, 4-formyl-
- Formula: C8H6O3
- Molecular weight: 150.1314
- IUPAC Standard InChI: InChI=1S/C8H6O3/c9-5-6-1-3-7(4-2-6)8(10)11/h1-5H,(H,10,11)
- IUPAC Standard InChIKey: GOUHYARYYWKXHS-UHFFFAOYSA-N
- CAS Registry Number: 619-66-9
- 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: Terephthalaldehydic acid; p-Carboxybenzaldehyde; p-Formylbenzoic acid; 4-Carboxybenzaldehyde; 4-Formylbenzoic acid; Terephthaldehydic 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
Enthalpy of fusion
| ΔfusH (kcal/mol) | Temperature (K) | Reference |
|---|---|---|
| 5.09 | 452.2 | Chen and Ma, 2004 |
Reaction 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: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
C8H5O3- + =
By formula: C8H5O3- + H+ = C8H6O3
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 332.8 ± 2.1 | kcal/mol | G+TS | Taft and Topsom, 1987 | gas phase; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 325.8 ± 2.0 | kcal/mol | IMRE | Taft and Topsom, 1987 | gas phase; value altered from reference due to change in acidity scale |
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.
Chen and Ma, 2004
Chen, Mingming; Ma, Peisheng,
Solid-Liquid Equilibria of Several Systems Containing Acetic Acid,
J. Chem. Eng. Data, 2004, 49, 4, 756-759, https://doi.org/10.1021/je034114c
. [all data]
Taft and Topsom, 1987
Taft, R.W.; Topsom, R.D.,
The Nature and Analysis of Substituent Effects,
Prog. Phys. Org. Chem., 1987, 16, 1. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
ΔfusH Enthalpy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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