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Chlorotoluron

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Chlorotoluron Basic information

Product Name:
Chlorotoluron
Synonyms:
  • 3-(3-chlor-4-methylphenyl)-1,1-dimethylharnstoff
  • 3-(3-chloro-4-methylphenyl)-1,1-dimethyl-urea
  • 3-(3-Chloro-4-methylphenyl)-N,N-dimethylurea
  • 3-(3-chloro-p-tolyl)-1,1-dimethyl-ure
  • tolurex
  • N'-(3-Chloro-4-methylphenyl)-N,N-dimethylurea
  • n-(3-chloro-4-methylphenyl)-n',n'-dimethylurea
  • DICURAN(R)
CAS:
15545-48-9
MF:
C10H13ClN2O
MW:
212.68
EINECS:
239-592-2
Product Categories:
  • Agro-Products
  • Amines
  • CHPesticides&Metabolites
  • Alphabetic
  • C
  • Aromatics
  • ACTIVE AGROCHEMICAL INGREDIENTS
  • HERBICIDE
  • Herbicides
  • Urea structure
Mol File:
15545-48-9.mol
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Chlorotoluron Chemical Properties

Melting point:
148.3°
Boiling point:
367.8±42.0 °C(Predicted)
Density 
1.2426 (rough estimate)
refractive index 
1.6000 (estimate)
Flash point:
2 °C
storage temp. 
APPROX 4°C
solubility 
Chloroform: slightly soluble; Methanol: slightly soluble
pka
14.43±0.70(Predicted)
Water Solubility 
70.43mg/L(20 ºC)
Merck 
13,2191
BRN 
2647688
CAS DataBase Reference
15545-48-9(CAS DataBase Reference)
NIST Chemistry Reference
Chlortoluron(15545-48-9)
EPA Substance Registry System
Chlorotoluron (15545-48-9)
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Safety Information

Hazard Codes 
Xn;N,N,Xn,F
Risk Statements 
40-50/53-63-36-20/21/22-11
Safety Statements 
26-36/37-46-60-61-16
RIDADR 
UN 3077
WGK Germany 
3
RTECS 
YS7230000
Hazardous Substances Data
15545-48-9(Hazardous Substances Data)
Toxicity
rat,LC50,inhalation,1300mg/m3 (1300mg/m3),"Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976Vol. -, Pg. -, 1971/1976.

MSDS

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Chlorotoluron Usage And Synthesis

Uses

Herbicide.

Definition

ChEBI: A member of the class of ureas that is N-methyl urea substituted by a 3-chloro-4-methylphenyl group at position 3 and a methyl group at position 1. A herbicide that is non-toxic to honeybees but is moderately toxic to mammals, birds, ea thworms and most aquatic organisms.

Metabolism

Chlortoluron is rapidly metabolized in winter wheat. Hydroxylation of the methyl group on the phenyl ring has been demonstrated as a detoxification mechanism for chlortoluron resistance in winter wheat, whereas in the susceptible weed blackgrass (Alopecurus myosuroides Huds.), the main metabolite is the mono N-demethylated metabolite (107). In a tolerant weed, Persian speedwell (Veronica persica Poir.), chlortoluron is rapidly transformed to the nonphytotoxic di-N-demethylated metabolite (107).

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