Picolinic acid N-oxide
- Formula: C6H5NO3
- Molecular weight: 139.1088
- IUPAC Standard InChI: InChI=1S/C6H5NO3/c8-6(9)5-3-1-2-4-7(5)10/h1-4H,(H,8,9)
- IUPAC Standard InChIKey: FHYMLBVGNFVFBT-UHFFFAOYSA-N
- CAS Registry Number: 824-40-8
- 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: 2-Pyridinecarboxylic acid, 1-oxide; Picolinic acid 1-oxide; Pyridine-2-carboxylic acid N-oxide; 2-Carboxypyridine N-oxide; 2-Pyridinecarboxylic acid oxide; Pyridine-2-carboxylic acid, 1-oxide
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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° | 22.6 ± 0.96 | kcal/mol | ME | Ribeiro da Silva, 1998 | Based on data from 345. to 392. K. |
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.
Ribeiro da Silva, 1998
Ribeiro da Silva, M.,
Enthalpies of combustion of the pyridine N-oxide derivatives: 4-methyl-, 3-cyano-, 4-cyano-, 3-hydroxy-, 2-carboxy-, 4-carboxy-, and 3-methyl-4-nitro, and of the pyridine derivatives: 2-carboxy-, and 4-carboxy-. The dissociation enthalpies of the N-O bonds,
The Journal of Chemical Thermodynamics, 1998, 30, 7, 869-878, https://doi.org/10.1006/jcht.1998.0353
. [all data]
Notes
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- Symbols used in this document:
ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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