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 |
Gas Chromatography
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 MS | 1477. | Safaei-Ghomi, Bamoniri, et al., 2007 | 30. m/0.25 mm/0.25 μm, Helium, 60. C @ 3. min, 5. K/min, 220. C @ 3. min |
References
Go To: Top, Phase change data, Gas Chromatography, Notes
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]
Safaei-Ghomi, Bamoniri, et al., 2007
Safaei-Ghomi, J.; Bamoniri, A.; Hatami, A.; Batooli, H.,
Composition of the Essential Oil of Stachys acerosa Growing in Central Iran,
Chem. Nat. Comp., 2007, 43, 1, 37-39, https://doi.org/10.1007/s10600-007-0026-0
. [all data]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- 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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