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CAS No 330-54-1 , 3-(3,4-dichlorophenyl)-1,1-dimethylurea

  • Name: 3-(3,4-dichlorophenyl)-1,1-dimethylurea
  • Synonyms: Karmex; Vonduron; Dichlorfenidim; Marmer;3-(3,4-dichlorophenyl)-1,1-dimethylurea; Dailon; 330-54-1; Herbatox;3-(3,4-Dichlorophenyl)-1,1-dimethylurea; DCMU;
  • CAS Registry Number:
  • Transport: UN 2767
  • Melting Point: 158-159 ºC
  • Flash Point: 186.7 °C
  • Density: 1.369 g/cm3
  • Refractive index: 1.605
  • Safety Statements: R22;R40;R48/22;R50/53
  • Hazard Symbols: Xn: Harmful;N: Dangerous for the environment;
  • Flash Point: 186.7 °C
  • EINECS: 206-354-4
  • Molecular Weight: 233.0945
  • InchiKey: XMTQQYYKAHVGBJ-UHFFFAOYSA-N
  • InChI: InChI=1S/C9H10Cl2N2O/c1-13(2)9(14)12-6-3-4-7(10)8(11)5-6/h3-5H,1-2H3,(H,
    12,14)
  • Risk Statements: S2;S13;S22;S23;S37;S46;S60;S61;S61
  • Molecular Formula: C9H10Cl2N2O
  • Molecular Structure:CAS No:330-54-1 3-(3,4-dichlorophenyl)-1,1-dimethylurea

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References of 3-(3,4-dichlorophenyl)-1,1-dimethylurea
Title: Diuron
CAS Registry Number: 330-54-1
CAS Name: N￠-(3,4-Dichlorophenyl)-N,N-dimethylurea
Synonyms: 1,1-dimethyl-3-(3,4-dichlorophenyl)urea
Trademarks: Diurex (Makhteshim-Agan); Karmex; Urox D (Hopkins)
Molecular Formula: C9H10Cl2N2O
Molecular Weight: 233.09
Percent Composition: C 46.38%, H 4.32%, Cl 30.42%, N 12.02%, O 6.86%
Literature References: Prepn: Jones, US 2768971 (1956 to I.C.I.). Toxicity data: E. M. Boyd, V. Krupa, J. Agric. Food Chem. 18, 1104 (1970). Review of environmental impact: S. Giacomazzi, N. Cochet, Chemosphere 56, 1021-1032 (2004).
Properties: Crystals, mp 158-159°. Soly in water at 25°: 42 ppm. Very low soly in hydrocarbon solvents. Vapor pressure at 50°: 3.1 ′ 10-6 mm Hg. Partition coefficient (octanol/water): 2.6. LD50 orally in rats: 1690 mg/kg (Boyd, Krupa).
Melting point: mp 158-159°
Log P: Partition coefficient (octanol/water): 2.6
Toxicity data: LD50 orally in rats: 1690 mg/kg (Boyd, Krupa)
CAUTION: Potential symptoms of overexposure are irritation of eyes, skin, nose, throat. Potential symptoms of overexposure in exptl animals are anemia, methemoglobinemia. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 124.
Use: Pre-emergent herbicide.