| N-Methylmaleimide Basic information |
| Product Name: | N-Methylmaleimide |
| Synonyms: | 1-METHYL-1H-PYRROLE-2,5-DIONE;Maleimide,N-methyl-;Maleinsαure-N-methylimid;N-Methylmaleinimide;N-METHYLMALEIMID;N-METHYLMALEIMIDE;N-METHYL-2,5-PYRROLEDIONE;N-Methyl-Malemide |
| CAS: | 930-88-1 |
| MF: | C5H5NO2 |
| MW: | 111.1 |
| EINECS: | 213-226-1 |
| Product Categories: | N-Substituted Maleimides;N-Substituted Maleimides, Succinimides & Phthalimides;Carbonyl Compounds;Cyclic Imides;Organic Building Blocks |
| Mol File: | 930-88-1.mol |
| N-Methylmaleimide Chemical Properties |
| Melting point | 94-96 °C (lit.) |
| Boiling point | 208.19°C (rough estimate) |
| density | 1.3113 (rough estimate) |
| refractive index | 1.4260 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| form | Crystals |
| pka | -2.18±0.20(Predicted) |
| color | Light yellow |
| Water Solubility | Slightly soluble in water. |
| BRN | 108550 |
| CAS DataBase Reference | 930-88-1(CAS DataBase Reference) |
| NIST Chemistry Reference | N-Methylmaleimide(930-88-1) |
| Safety Information |
| Hazard Codes | C |
| Risk Statements | 22-34-43-25-20/21 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 1759 8/PG 2 |
| WGK Germany | 3 |
| RTECS | ON5600000 |
| F | 10-21 |
| HazardClass | 6.1 |
| PackingGroup | II |
| HS Code | 29241990 |
| MSDS Information |
| Provider | Language |
|---|---|
| 1-Methyl-1H-pyrrole-2,5-dione | English |
| SigmaAldrich | English |
| ACROS | English |
| ALFA | English |
| N-Methylmaleimide Usage And Synthesis |
| Chemical Properties | light yellow crystals |
| Uses | N-Methylmaleimide is an electron deficient olefin that acts as a thiol-blocking reagent. |
| Synthesis Reference(s) | The Journal of Organic Chemistry, 60, p. 6676, 1995 DOI: 10.1021/jo00126a013 |
| Purification Methods | Crystallise the imide three times from diethyl ether. Dry it in vacuo.[Beilstein 21/10 V 5.] |
| N-Methylmaleimide Preparation Products And Raw materials |
| Raw materials | N,N-Diethylaniline-->Rhodamine B |
| Preparation Products | PHENSUXIMIDE-->N-METHYLSUCCINIMIDE-->1-Methyl-3-phenyl-1H-pyrrole-2,5-dione |
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