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CAS No 150-68-5 , 3-(4-chlorophenyl)-1,1-dimethylurea Search by region : Norway

  • Name: 3-(4-chlorophenyl)-1,1-dimethylurea
  • Synonyms: Monuruon; Monurox;3-(4-chlorophenyl)-1,1-dimethylurea; 3-(4-Chlorophenyl)-1,1-dimethylurea; Monuuron; Monurex; Telvar; Lirobetarex;Chlorfenidim;
  • CAS Registry Number:
  • Transport: UN 3077 9/PG 3
  • Melting Point: 173-174 °C(lit.)
  • Flash Point: 170.8°C
  • Boiling Point: 358.8°Cat760mmHg
  • Density: 1,27 g/cm3
  • Safety Statements: 22-40-50/53,
  • Hazard Symbols: Xn,N:;
  • Flash Point: 170.8°C
  • EINECS: 205-766-1
  • Molecular Weight: 198.64944
  • InchiKey: BMLIZLVNXIYGCK-UHFFFAOYSA-N
  • InChI: InChI=1S/C9H11ClN2O/c1-12(2)9(13)11-8-5-3-7(10)4-6-8/h3-6H,1-2H3,(H,11,
    13)
  • Risk Statements: 36/37-60-61,
  • Molecular Formula: C9H11ClN2O
  • Molecular Structure:CAS No:150-68-5 3-(4-chlorophenyl)-1,1-dimethylurea

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References of 3-(4-chlorophenyl)-1,1-dimethylurea
Title: Monuron
CAS Registry Number: 150-68-5
CAS Name: N￠-(4-Chlorophenyl)-N,N-dimethylurea
Synonyms: 1,1-dimethyl-3-(p-chlorophenyl)urea; CMU
Trademarks: Karmex Monuron Herbicide; Telvar (DuPont)
Molecular Formula: C9H11ClN2O
Molecular Weight: 198.65
Percent Composition: C 54.42%, H 5.58%, Cl 17.85%, N 14.10%, O 8.05%
Literature References: Prepd by reacting p-chlorophenyl isocyanate with dimethylamine: Bucha, Todd, Science 114, 493 (1951); see also US 2655444; US 2655445; US 2655446; US 2655447. Toxicity study: G. W. Bailey, J. L. White, Residue Rev. 10, 97 (1965). Review: McCall, Agric. Chem. 7, 40 (1952).
Properties: Thin rectangular prisms from methanol, mp 170.5-171.5° (the commercial product melts at 176-177°). Vapor pressure at 25°: 5 ′ 10-7 mm; at 100°: 178 ′ 10-5 mm. Slight odor. Stable toward oxygen and moisture under ordinary conditions at neutral pH; elevated temps and more acid or alkaline conditions appreciably raise rate of hydrolysis. Very slightly sol in water and in no. 3 Diesel oil: About 230 ppm at 25°. pH of satd aq soln 6.26. Moderately sol in methanol, ethanol, acetone. Practically insol in hydrocarbon solvents. LD50 orally in rats: 3700 mg/kg (Bailey, White).
Melting point: mp 170.5-171.5° (the commercial product melts at 176-177°)
Toxicity data: LD50 orally in rats: 3700 mg/kg (Bailey, White)
 
Derivative Type: Trichloroacetate
Synonyms: Monuron TCA
Trademarks: Urox (Allied)
Molecular Formula: C9H11ClN2O.C2HCl3O2
Molecular Weight: 362.04
Percent Composition: C 36.49%, H 3.34%, Cl 39.17%, N 7.74%, O 13.26%
Literature References: Prepn: Gilbert et al., US 2782112 (1957 to Allied Chem.). Effective in control of both weeds and grasses.
Properties: mp 78-81°.
Melting point: mp 78-81°
 
CAUTION: Anemia and methemoglobinemia have been produced in experimental animals.
Use: Herbicide.