1H-Indole-2,3-dione, 1-methyl-
- Formula: C9H7NO2
- Molecular weight: 161.1574
- IUPAC Standard InChI: InChI=1S/C9H7NO2/c1-10-7-5-3-2-4-6(7)8(11)9(10)12/h2-5H,1H3
- IUPAC Standard InChIKey: VCYBVWFTGAZHGH-UHFFFAOYSA-N
- CAS Registry Number: 2058-74-4
- 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: Indole-2,3-dione, 1-methyl-; N-Methylisatin; OL 57; 1-Methylisatin; 1-Methyl-indole-2,3-dione; 1-Methyl-2,3-indolinedione; Indole-2,3-dione, N-methyl-; 1-Methyl-1H-indole-2,3-dione; NSC 42449; 1-methyl-2,3-dihydroindole-2,3-dione; 1-Methyl-1H-indole-2,3-dione (N-methylisatin)
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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° | 105.6 ± 3.3 | kJ/mol | C | Matos, Miranda, et al., 2003 |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Method | Reference |
|---|---|---|---|
| 19.5 | 403.3 | DSC | Matos, Miranda, et al., 2003 |
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.
Matos, Miranda, et al., 2003
Matos, M. Agostinha R.; Miranda, Margarida S.; Morais, Victor M.F.; Liebman, Joel F.,
Are isatin and isatoic anhydride antiaromatic and aromatic respectively? A combined experimental and theoretical investigation,
Org. Biomol. Chem., 2003, 1, 14, 2566-712, https://doi.org/10.1039/b304405j
. [all data]
Notes
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- Symbols used in this document:
ΔfusH Enthalpy of fusion ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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