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N-Methylmaleimide

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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
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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
solubility 
Chloroform (Sparingly), Methanol (Slightly)
pka
-2.18±0.20(Predicted)
form 
Crystals
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)
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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
10-21
HazardClass 
6.1
PackingGroup 
II
HS Code 
29241990

MSDS

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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.]

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