Product Name

  • Name

    1-ethyl-3-methyl-1H-pyrrole-2,5-dione

  • EINECS
  • CAS No. 31217-72-8
  • Article Data5
  • CAS DataBase
  • Density 1.144g/cm3
  • Solubility
  • Melting Point
  • Formula C7H9 N O2
  • Boiling Point 221.6°C at 760 mmHg
  • Molecular Weight 139.154
  • Flash Point 91.6°C
  • Transport Information
  • Appearance
  • Safety Poison by intraperitoneal and intracerebral routes. When heated to decomposition it emits toxic fumes of NOx.
  • Risk Codes
  • Molecular Structure Molecular Structure of 31217-72-8 (1-ethyl-3-methyl-1H-pyrrole-2,5-dione)
  • Hazard Symbols
  • Synonyms Maleimide,N-ethyl-2-methyl- (6CI,8CI); N-Ethyl-2-methylmaleimide; N-Ethylcitraconimide
  • PSA 37.38000
  • LogP 0.25930

N-Ethyl-2-methylmaleimide Chemical Properties

IUPAC Name: 1-ethyl-3-methylpyrrole-2,5-dione 
Empirical Formula: C7H9NO2
Molecular Weight: 139.1519g/mol
Index of Refraction: 1.502
Molar Refractivity: 35.9 cm3
Molar Volume: 121.6 cm3
Polarizability: 14.23×10-24cm3
Surface Tension: 37.6 dyne/cm
Density: 1.144 g/cm3
Flash Point: 91.6 °C
Enthalpy of Vaporization: 45.8 kJ/mol
Boiling Point: 221.6 °C at 760 mmHg
Vapour Pressure: 0.106 mmHg at 25°C
Canonical SMILES: CCN1C(=O)C=C(C1=O)C
InChI: InChI=1S/C7H9NO2/c1-3-8-6(9)4-5(2)7(8)10/h4H,3H2,1-2H3
InChIKey: NKHIHGVHWGKXMQ-UHFFFAOYSA-N
Structure of N-Ethyl-2-methylmaleimide (CAS NO.31217-72-8):

N-Ethyl-2-methylmaleimide Toxicity Data With Reference

1.    

ipr-rat LDLo:37 mg/kg

     JMCMAR    Journal of Medicinal Chemistry. 15 (1972),534.
2.    

ice-rat LDLo:8 mg/kg

     JMCMAR    Journal of Medicinal Chemistry. 15 (1972),534.

N-Ethyl-2-methylmaleimide Safety Profile

Poison by intraperitoneal and intracerebral routes. When heated to decomposition it emits toxic fumes of NOx.

N-Ethyl-2-methylmaleimide Specification

  N-Ethyl-2-methylmaleimide , its cas register number is 31217-72-8. It also can be called 5-21-10-00052 (Beilstein Handbook Reference) ; BRN 0113987 . When N-Ethyl-2-methylmaleimide (CAS NO.31217-72-8) is heated to decomposition, it emits toxic fumes of NOx.

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