| Identification | More | [Name]
N-Methylmaleimide | [CAS]
930-88-1 | [Synonyms]
1-METHYL-1H-PYRROLE-2,5-DIONE
N-METHYL-2,5-PYRROLEDIONE
N-METHYLMALEIMID
N-METHYLMALEIMIDE
1H-Pyrrole-2,5-dione, 1-methyl-
1H-Pyrrole-2,5-dione,1-methyl-
1-Methyl-pyrrole-2,5-dione
Maleimide, N-methyl-
Maleimide,N-methyl-
Maleinsαure-N-methylimid
N-Methylmaleinimide
N-Methyl-Malemide
N-Methylmaleimide,98+%
1-Methyl-2,5-dihydro-1H-pyrrole-2,5-dione
1-Methyl-3-pyrroline-2,5-dione | [EINECS(EC#)]
213-226-1 | [Molecular Formula]
C5H5NO2 | [MDL Number]
MFCD00005508 | [Molecular Weight]
111.1 | [MOL File]
930-88-1.mol |
| Chemical Properties | Back Directory | [Appearance]
light yellow crystals | [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. ]
2-8°C
| [solubility ]
Chloroform (Sparingly), Methanol (Slightly) | [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 Data | Back Directory | [Hazard Codes ]
C | [Risk Statements ]
R22:Harmful if swallowed.
R34:Causes burns.
R43:May cause sensitization by skin contact.
R25:Toxic if swallowed.
R20/21:Harmful by inhalation and in contact with skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) . | [RIDADR ]
UN 1759 8/PG 2
| [WGK Germany ]
3
| [RTECS ]
ON5600000
| [F ]
10-21 | [HazardClass ]
6.1 | [PackingGroup ]
II | [HS Code ]
29241990 |
| Hazard Information | Back Directory | [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.] |
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