Product Name

  • Name

    1-butan-2-yl-1-nitrosourea

  • EINECS
  • CAS No. 71752-66-4
  • Density 1.23g/cm3
  • Solubility
  • Melting Point
  • Formula C5H11N3O2
  • Boiling Point 211°Cat760mmHg
  • Molecular Weight 145.19
  • Flash Point 81.4°C
  • Transport Information
  • Appearance
  • Safety 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 71752-66-4 (1-butan-2-yl-1-nitrosourea)
  • Hazard Symbols
  • Synonyms
  • PSA
  • LogP

Nitroso-sec-butylurea Chemical Properties

Product Name: Nitroso-sec-butylurea (CAS NO.71752-66-4)


Molecular Formula: C5H11N3O2
Molecular Weight: 145.19g/mol
Mol File: 71752-66-4.mol
Boiling point: 211 °C at 760 mmHg
Flash Point:  81.4 °C 
Density: 1.23 g/cm3
Surface Tension: 44.5 dyne/cm
Enthalpy of Vaporization: 44.73 kJ/mol
Vapour Pressure: 0.186 mmHg at 25°C
XLogP3-AA: 0.7
H-Bond Donor: 1
H-Bond Acceptor: 3
Structure Descriptors of Nitroso-sec-butylurea (CAS NO.71752-66-4):
  IUPAC Name: 1-butan-2-yl-1-nitrosourea
  Canonical SMILES: CCC(C)N(C(=O)N)N=O
  InChI: InChI=1S/C5H11N3O2/c1-3-4(2)8(7-10)5(6)9/h4H,3H2,1-2H3,(H2,6,9) 
  InChIKey: AAZUPGCLBXBVDX-UHFFFAOYSA-N

Nitroso-sec-butylurea Toxicity Data With Reference

1.    

mmo-sat 100 µg/plate

     MUREAV    Mutation Research. 68 (1979),1.
2.    

mma-sat 500 µg/plate

     TCMUE9    Topics in Chemical Mutagenesis. 1 (1984),13.

Nitroso-sec-butylurea Safety Profile

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.

Nitroso-sec-butylurea Specification

 Nitroso-sec-butylurea , its CAS NO. is 71752-66-4, the synonyms are 1-sec-Butyl-1-nitrosourea ; BRN 4376424 ; Urea, 1-sec-butyl-1-nitroso- .

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