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CAS No 128-53-0 , 1-ethylpyrrole-2,5-dione

  • Name: 1-ethylpyrrole-2,5-dione
  • Synonyms: 1-ethyl-; ethylmaleimide; 1H-pyrrole-2,5-dione; NEM; maleimide;1-ethylpyrrole-2,5-dione; USAF B-121; N-ethyl-;N-ethylmaleimide; maleic acid N-ethylimide; 128-53-0;
  • CAS Registry Number:
  • Transport: UN 2928
  • Melting Point: 41-45 ºC
  • Flash Point: 73 ºC
  • Boiling Point: 210 ºC
  • Density: 1.207 g/cm3
  • Refractive index: 1.514
  • Water Solubility: 1 G/L (20 ºC)
  • Safety Statements: R20/21;R28;R34;R43
  • Hazard Symbols: T+: Very toxic;
  • Flash Point: 73 ºC
  • EINECS: 204-892-4
  • Molecular Weight: 125.12528
  • InchiKey: HDFGOPSGAURCEO-UHFFFAOYSA-N
  • InChI: InChI=1S/C6H7NO2/c1-2-7-5(8)3-4-6(7)9/h3-4H,2H2,1H3
  • Risk Statements: S26;S28A;S36/37/39;S45
  • Molecular Formula: C6H7NO2
  • Molecular Structure:CAS No:128-53-0 1-ethylpyrrole-2,5-dione

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References of 1-ethylpyrrole-2,5-dione
Title: N-Ethylmaleimide
CAS Registry Number: 128-53-0
CAS Name: 1-Ethyl-1H-pyrrole-2,5-dione
Molecular Formula: C6H7NO2
Molecular Weight: 125.13
Percent Composition: C 57.59%, H 5.64%, N 11.19%, O 25.57%
Literature References: Prepd by heating N-ethylmaleamic acid in paraffin: Marrian, J. Chem. Soc. 1949, 1515.
Properties: Crystals, mp 45°. Lacrimator when liquid.
Melting point: mp 45°
CAUTION: Strong irritant.
Use: In cancer research (possible antimitotic activity.)