Product Name

  • Name

    NITROSOPHENYLUREA

  • EINECS
  • CAS No. 6268-32-2
  • Article Data5
  • CAS DataBase
  • Density 1.33g/cm3
  • Solubility
  • Melting Point
  • Formula C7H7 N3 O2
  • Boiling Point 284.8°C at 760 mmHg
  • Molecular Weight 165.151
  • Flash Point 126°C
  • Transport Information
  • Appearance
  • Safety Poison by subcutaneous route. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. Many N-nitroso compounds are carcinogens. When heated to decomposition it emits toxic fumes of NOx. See also N-NITROSO COMPOUNDS.
  • Risk Codes
  • Molecular Structure Molecular Structure of 6268-32-2 (NITROSOPHENYLUREA)
  • Hazard Symbols
  • Synonyms Urea,1-nitroso-1-phenyl- (6CI,8CI); 1-Nitroso-1-phenylurea; N-Nitroso-N-phenylurea;NSC 36238
  • PSA 75.76000
  • LogP 1.95340

Nitrosophenylurea Chemical Properties

IUPAC Name: 1-Nitroso-1-phenylurea  
Synonyms of Nitrosophenylurea (CAS NO.6268-32-2) : Urea, N-nitroso-N-phenyl- ; N-Phenyl-N-nitrosourea ; Urea, 1-nitroso-1-phenyl- ; Urea, 1-nitroso-1-phenyl- (8CI)
InChI:InChI=1/C7H7N3O2/c8-7(11)10(9-12)6-4-2-1-3-5-6/h1-5H,(H2,8,11)    
CAS NO:6268-32-2
Molecular Formula:C7H7N3O2
Molecular Weight :165.1494 
Molecular Structure :
Index of Refraction:1.61        
Surface Tension: 58.8 dyne/cm 
Density: 1.33 g/cm3 
Flash Point: 126 °C 
Enthalpy of Vaporization: 52.38 kJ/mol 
Boiling Point: 284.8 °C at 760 mmHg 
Vapour Pressure: 0.00292 mmHg at 25°C 

Nitrosophenylurea Toxicity Data With Reference

Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 subcutaneous 150mg/kg (150mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) Zeitschrift fuer Krebsforschung. Vol. 71, Pg. 63, 1968.

Nitrosophenylurea Safety Profile

 Nitrosophenylurea (CAS NO.6268-32-2) is poisonous by subcutaneous route. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. Many N-nitroso compounds are carcinogens. When  Nitrosophenylurea (CAS NO.6268-32-2) is heated to decomposition ,it emits toxic fumes of NOx. See also N-NITROSO COMPOUNDS.

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