N-Methylmaleimide
- Formula: C5H5NO2
- Molecular weight: 111.0987
- IUPAC Standard InChI: InChI=1S/C5H5NO2/c1-6-4(7)2-3-5(6)8/h2-3H,1H3
- IUPAC Standard InChIKey: SEEYREPSKCQBBF-UHFFFAOYSA-N
- CAS Registry Number: 930-88-1
- 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: 1H-Pyrrole-2,5-dione, 1-methyl-; Maleimide, N-methyl-; N-Methylmaleinimide
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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 73.3 ± 0.5 | kJ/mol | V | Roux, Jimenez, et al., 1997 | ALS |
| ΔsubH° | 73.3 ± 0.5 | kJ/mol | N/A | Roux, Jimenez, et al., 1997 | AC |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 75.3 ± 0.5 | 282. | ME | Roux, Jimenez, et al., 1997 | Based on data from 276. to 289. K.; AC |
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.
Roux, Jimenez, et al., 1997
Roux, M.V.; Jimenez, P.; Martin-Luengo, M.A.; Davalos, J.Z.; Sun, Z.; Hosmane, R.S.; Liebman, J.F.,
The elusive antiaromaticity of Maleimides and maleic anhydride: Enthalpies of formation of N-methylmaleimide, N-methylsuccinimide, N-Methylphtalimide, and N-benzoyl-N-methylbenzamide,
J. Org. Chem., 1997, 62, 2732-2737. [all data]
Notes
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- Symbols used in this document:
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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