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CAS No 555-37-3 , 1-butyl-3-(3,4-dichlorophenyl)-1-methylurea

  • Name: 1-butyl-3-(3,4-dichlorophenyl)-1-methylurea
  • Synonyms: 1-Butyl-3-(3,4-dichlorophenyl)-1-methylurea; Caswell No. 594; Kloben neburon; Neburex;1-butyl-3-(3,4-dichlorophenyl)-1-methylurea; 555-37-3; Granurex;Kloben; Neburea;
  • CAS Registry Number:
  • Melting Point: 275.174
  • Flash Point: 206.2°C
  • Boiling Point: 417.3°C at 760 mmHg
  • Density: 1.252g/cm3
  • Refractive index: 1.574
  • Safety Statements: Poison by intravenous route. Mildly toxic by ingestion. See also CHLORIDES and NITROGEN MONOXIDE, mixed with NITROGEN TETROXIDE. When heated to decomposition it emits toxic fumes of Cl− and NOx.
  • Hazard Symbols: Xn
  • Flash Point: 206.2°C
  • EINECS: 209-096-0
  • Molecular Weight: 275.17424
  • InchiKey: CCGPUGMWYLICGL-UHFFFAOYSA-N
  • InChI: InChI=1S/C12H16Cl2N2O/c1-3-4-7-16(2)12(17)15-9-5-6-10(13)11(14)8-9/h5-6,
    8H,3-4,7H2,1-2H3,(H,15,17)
  • Risk Statements: 22
  • Molecular Formula: C12H16Cl2N2O
  • Molecular Structure:CAS No:555-37-3 1-butyl-3-(3,4-dichlorophenyl)-1-methylurea

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References of 1-butyl-3-(3,4-dichlorophenyl)-1-methylurea
Title: Neburon
CAS Registry Number: 555-37-3
CAS Name: N-Butyl-N￠-(3,4-dichlorophenyl)-N-methylurea
Synonyms: 3-(3,4-dichlorophenyl)-1-methyl-1-n-butylurea
Trademarks: Kloben Neburon (DuPont)
Molecular Formula: C12H16Cl2N2O
Molecular Weight: 275.17
Percent Composition: C 52.38%, H 5.86%, Cl 25.77%, N 10.18%, O 5.81%
Literature References: Selective pre-emergence herbicide. Prepn: Todd, US 2655444; US 2655445; US 2655446; US 2655447 (all 1953 to du Pont). Toxicity study: G. W. Bailey, J. L. White, Residue Rev. 10, 97 (1965).
Properties: Crystals from dioxane + water, mp 101.5-103°. Soly in water at 24°: 48 ppm; sparingly sol in hydrocarbon solvents. Stable toward oxidation and water at ordinary temperatures. LD50 orally in rats: >11000 mg/kg (Bailey, White).
Melting point: mp 101.5-103°
Toxicity data: LD50 orally in rats: >11000 mg/kg (Bailey, White)
Use: Herbicide.