4-Amino-3-methylbenzoic acid
- Formula: C8H9NO2
- Molecular weight: 151.1626
- IUPAC Standard InChI: InChI=1S/C8H9NO2/c1-5-4-6(8(10)11)2-3-7(5)9/h2-4H,9H2,1H3,(H,10,11)
- IUPAC Standard InChIKey: NHFKECPTBZZFBC-UHFFFAOYSA-N
- CAS Registry Number: 2486-70-6
- 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, 4-amino-3-methyl-
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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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 122.0 ± 2.6 | kJ/mol | ME | Monte and Hillesheim, 2001 | Based on data from 367. to 383. K. |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 119.8 ± 0.7 | 375. | ME | Monte and Hillesheim, 2001 | Based on data from 367. to 383. K. |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Method | Reference |
|---|---|---|---|
| 21.77 | 439.4 | DSC | Monte and Hillesheim, 2001 |
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.
Monte and Hillesheim, 2001
Monte, Manuel J.S.; Hillesheim, Dorothea M.,
Thermodynamic study of the sublimation of six aminomethylbenzoic acids,
The Journal of Chemical Thermodynamics, 2001, 33, 7, 745-754, https://doi.org/10.1006/jcht.2000.0774
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
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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