Title:  Chlorotoluron 
CAS Registry Number:  15545-48-9 
CAS Name:  N¢-(3-Chloro-4-methylphenyl)-N,N-dimethylurea 
Additional Names:  3-(3-chloro-p-tolyl)-1,1-dimethylurea 
Trademarks:  Dicuran (Syngenta);  Tolurex (Makhteshim-Agan) 
Molecular Formula:  C10H13ClN2O 
Molecular Weight:  212.68 
Percent Composition:  C 56.47%, H 6.16%, Cl 16.67%, N 13.17%, O 7.52% 
Literature References:  Photosynthesis inhibitor used to control grass weeds in cereals.  Prepn:  C. W. Todd, US 2655445 (1952 to Du Pont); T. Mizuno et al., Synth. Commun. 9, 1675 (2000).  Degradation in soil and identification of metabolites:  D. Gross et al., Pestic. Biochem. Physiol. 10, 49 (1979).  HPLC determn in technical products and formulations:  W. Y. Yan et al., Pestic. Sci. 49, 400 (1997).  Movement in sandy soil:  C. Zander et al., J. Environ. Qual. 28, 1817 (1999).  Field trial on grassy weeds in wheat:  S. Singh, R. K. Malik Indian J. Agron. 39, 23 (1994). 
Properties:  Crystals from toluene, mp 148.3°. 
Melting point:  mp 148.3° 
Use:  Herbicide.   |