Product Name

  • Name

    CYCLURON

  • EINECS
  • CAS No. 2163-69-1
  • Article Data6
  • CAS DataBase
  • Density 0.97g/cm3
  • Solubility 0.15g/L(20 oC)
  • Melting Point 138℃
  • Formula C11H22 N2 O
  • Boiling Point 359.5°Cat760mmHg
  • Molecular Weight 198.308
  • Flash Point 171.2°C
  • Transport Information
  • Appearance
  • Safety Poison by intraperitoneal and possibly other routes. Moderately toxic by ingestion and inhalation. A pesticide. When heated to decomposition it emits toxic fumes of NOx.
  • Risk Codes 22
  • Molecular Structure Molecular Structure of 2163-69-1 (CYCLURON)
  • Hazard Symbols
  • Synonyms Urea,3-cyclooctyl-1,1-dimethyl- (6CI,8CI); 1,1-Dimethyl-3-cyclooctylurea;3-Cyclooctyl-1,1-dimethylurea; Cycluron; HS 61; N'-Cyclooctyl-N,N-dimethylurea;OMU
  • PSA 32.34000
  • LogP 2.76140

3-Cyclooctyl-1,1-dimethylurea Chemical Properties

IUPAC Name: N3-cyclooctyl-1,1-dimethylurea
Synonyms of 3-Cyclooctyl-1,1-dimethylurea (CAS NO.2163-69-1): 3-Cyclooctyl-1,1-dimethylharnstoff ; 3-Cyclooctyl-1,1-dimethylharnstoff [German] ; BRN 2209526 ; Caswell No. 271A ; Cyclouron ; Cycluron ; EINECS 218-493-8 ; EPA Pesticide Chemical Code 035504 ; HS 61 ; HSDB 1553 ; N-Cyclooctyl-N',N'-dimethylurea ; OMU ; Urea, 3-cyclooctyl-1,1-dimethyl- ; Urea, N'-cyclooctyl-N,N-dimethyl-
CAS NO: 2163-69-1
Molecular Formula of 3-Cyclooctyl-1,1-dimethylurea (CAS NO.2163-69-1): C11H22N2O
Molecular Weight: 198.3052 
Molecular Structure:

H bond acceptors: 3
H bond donors: 1
Freely Rotating Bonds: 1
Polar Surface Area: 23.55 Å2
Index of Refraction: 1.486
Molar Refractivity: 58.55 cm3
Molar Volume: 203.7 cm3
Surface Tension: 35.9 dyne/cm
Density of 3-Cyclooctyl-1,1-dimethylurea (CAS NO.2163-69-1): 0.97 g/cm3
Flash Point: 171.2 °C
Enthalpy of Vaporization: 60.51 kJ/mol
Boiling Point: 359.5 °C at 760 mmHg
Vapour Pressure: 2.37E-05 mmHg at 25°C

3-Cyclooctyl-1,1-dimethylurea Uses

 3-Cyclooctyl-1,1-dimethylurea (CAS NO.2163-69-1) is used as pesticide.

3-Cyclooctyl-1,1-dimethylurea Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mammal (species unspecified) LD50 oral 2600mg/kg (2600mg/kg)   "Pflanzenschutz-und Schaedlingsbekaempfungsmittel: Abriss einer Toxikologie und Therapie von Vergiftungen," 2nd ed., Klimmer, O.R., Hattingen, Fed. Rep. Ger., Hundt-Verlag, 1971Vol. -, Pg. 81, 1971.
mouse LD50 intraperitoneal 300mg/kg (300mg/kg)   "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976Vol. -, Pg. -, 1971/1976.
mouse LD50 unreported 300mg/kg (300mg/kg)   "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971Vol. -, Pg. 229, 1971.
rat LD50 oral 1500mg/kg (1500mg/kg)   Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc., 1966. Vol. -, Pg. 294, 1966.
rat LD50 unreported 1125mg/kg (1125mg/kg)   Environmental Quality and Safety, Supplement. Vol. 3, Pg. 618, 1975.

3-Cyclooctyl-1,1-dimethylurea Safety Profile

Hazard Codes: HarmfulXn  
Risk Statements: 22 
R22: Harmful if swallowed.
RTECS: YS7875000
Poison by intraperitoneal and possibly other routes. Moderately toxic by ingestion and inhalation. A pesticide. When heated to decomposition it emits toxic fumes of NOx.

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