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N-nitroso-n-methyl-n'-(2-benzothi-azolyl)urea

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  • Name N-nitroso-n-methyl-n'-(2-benzothi-azolyl)urea
  • EINECSN/A
  • CAS No. 51542-33-7
  • Density1.53g/cm3
  • PSA106.39000
  • LogP2.45500
  • SolubilityN/A
  • Melting PointN/A
  • FormulaC9H8 N4 O2 S
  • Boiling Point°Cat760mmHg
  • Molecular Weight220.27
  • Flash Point°C
  • Transport InformationN/A
  • AppearanceN/A
  • SafetyModerately toxic by ingestion. Questionable carcinogen with experimental carcinogenic and tumorigenic data. Mutation data reported. Many N-nitroso compounds are carcinogens. When heated to decomposition it emits very toxic fumes of SOx and NOx. See also N-NITROSO COMPOUNDS.
  • Risk CodesN/A
  • Molecular Structure
    Molecular Structure of 51542-33-7 (3-benzothiazol-2-yl-1-methyl-1-nitroso-urea)
  • Hazard SymbolsN/A
  • SynonymsN/A

N-nitroso-n-methyl-n'-(2-benzothi-azolyl)urea Chemical Properties

IUPAC Name: 3-(1,3-benzothiazol-2-yl)-1-methyl-1-nitrosourea 
Synonyms of N-nitroso-n-methyl-n'-(2-benzothi-azolyl)urea (CAS NO.51542-33-7): N-(2-Benzothiazolyl)-N'-methyl-N'-nitrosourea ; N-Methyl-N-nitroso-N'-(2-benzothiazolyl)-harnstoff ; N-Methyl-N-nitroso-N'-(2-benzothiazolyl)-harnstoff [German] ; N-Methyl-N-nitroso-N'-(2-benzothiazolyl)-urea ; N-Nitroso-N-methyl-N'-(2-benzothiazolyl)urea ; N-Nitrosobenzthiazuron ; Nitrosobenzthiazuron ;
CAS NO: 51542-33-7
Molecular Formula of N-nitroso-n-methyl-n'-(2-benzothi-azolyl)urea (CAS NO.51542-33-7): C5H10D2N2
Molecular Weight: 118.1739  
H bond acceptors: 6
H bond donors: 1
Freely Rotating Bonds: 1
Polar Surface Area: 94.11 Å2
Index of Refraction: 1.73
Molar Refractivity: 61.37 cm3
Molar Volume: 153.6 cm3
Surface Tension: 66.6 dyne/cm
Density of N-nitroso-n-methyl-n'-(2-benzothi-azolyl)urea (CAS NO.51542-33-7): 1.53 g/cm3
Molecular Structure:

N-nitroso-n-methyl-n'-(2-benzothi-azolyl)urea Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LDLo oral 500mg/kg (500mg/kg) GASTROINTESTINAL: OTHER CHANGES

KIDNEY, URETER, AND BLADDER: OTHER CHANGES

BLOOD: HEMORRHAGE
Zeitschrift fuer Krebsforschung und Klinische Onkologie. Vol. 81, Pg. 217, 1974.

N-nitroso-n-methyl-n'-(2-benzothi-azolyl)urea Safety Profile

Moderately toxic by ingestion. Questionable carcinogen with experimental carcinogenic and tumorigenic data. Mutation data reported. Many N-nitroso compounds are carcinogens. When heated to decomposition it emits very toxic fumes of SOx and NOx. See also N-NITROSO COMPOUNDS.

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