Product Name

  • Name

    1-(4-CHLORO-PHENYL)-PYRROLE-2,5-DIONE

  • EINECS
  • CAS No. 1631-29-4
  • Article Data64
  • CAS DataBase
  • Density 1.459g/cm3
  • Solubility
  • Melting Point 115-120°C
  • Formula C10H6 Cl N O2
  • Boiling Point 350.6°Cat760mmHg
  • Molecular Weight 207.616
  • Flash Point 165.9°C
  • Transport Information
  • Appearance
  • Safety Poison by ingestion. A skin irritant. When heated to decomposition it emits very toxic fumes of Cl− and NOx.
  • Risk Codes 22-37/38-41
  • Molecular Structure Molecular Structure of 1631-29-4 (1-(4-CHLORO-PHENYL)-PYRROLE-2,5-DIONE)
  • Hazard Symbols
  • Synonyms Maleimide,N-(p-chlorophenyl)- (6CI,7CI,8CI); 1-(4-Chlorophenyl)-pyrrole-2,5-dione;N-(4-Chlorophenyl)maleimide; N-(p-Chlorophenyl)maleimide; NSC 52612; NSC 55657;NSC 63150; p-Chlorophenylmaleimide
  • PSA 37.38000
  • LogP 1.83440

N-(P-Chlorophenyl)Maleimide Chemical Properties

Chemistry informtion about N-(P-Chlorophenyl)Maleimide (CAS NO.1631-29-4) is:
IUPAC Name: 1-(4-Chlorophenyl)Pyrrole-2,5-Dione
Synonyms: N-(4-Chlorophenyl)Maleimide ; 1-(4-Chlorophenyl)-1h-Pyrrole-2,5-Dione ; 1-(4-Chloro-Phenyl)-Pyrrole-2,5-Dione ; 1-(4-Chlorophenyl)Maleimide ; Akos Msc-0021 ; 4-(Chlorophenyl)Maleamic Acid ; Asischem D48954 ; Aurora 12545
MF: C10H6ClNO2
MW: 207.61
EINECS: 216-632-7 
Density: 1.459 g/cm3
Flash Point: 165.9 °C
Boiling Point: 350.6 °C at 760 mmHg
Vapour Pressure: 4.34E-05 mmHg at 25°C 
Enthalpy of Vaporization: 59.53 kJ/mol
Following is the molecular structure of N-(P-Chlorophenyl)Maleimide (CAS NO.1631-29-4) is:

N-(P-Chlorophenyl)Maleimide Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 290mg/kg (290mg/kg)   Shell Chemical Company. Unpublished Report. Vol. -, Pg. 7, 1961.
rabbit LDLo oral 350mg/kg (350mg/kg)   Shell Chemical Company. Unpublished Report. Vol. -, Pg. 7, 1961.
rat LD50 oral 440mg/kg (440mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 40(11), Pg. 109, 1975.

N-(P-Chlorophenyl)Maleimide Safety Profile

Poison by ingestion. A skin irritant. When heated to decomposition it emits very toxic fumes of Cl− and NOx.
Hazard Codes:
IrritantXi
Hazard Note: Irritant

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