Title: Isoproturon
CAS Registry Number: 34123-59-6
CAS Name: N,N-Dimethyl-N¢-[4-(1-methylethyl)phenyl]urea
Additional Names: 3-p-cumenyl-1,1-dimethylurea; N-(4-isopropylphenyl)-N¢,N¢-dimethylurea; I.P.U.
Manufacturers' Codes: HOE-16410; CGA-18731
Trademarks: Arelon (Griffin); Protugan (Makhteshim-Agan)
Molecular Formula: C12H18N2O
Molecular Weight: 206.28
Percent Composition: C 69.87%, H 8.80%, N 13.58%, O 7.76%
Literature References: Pre- and post-emergence herbicide for control of annual grasses and broad-leaved weeds. Prepn and herbicidal properties: C. W. Todd, US 2655447 (1953 to du Pont); BE 770928 (1971 to Pepro); A. Thizy et al., US 4295877 (1981 to Philagro). Physical properties, herbicidal activity: eidem, C.R. Seances Acad. Sci. Ser. D 274, 2053 (1972); J. Rognon et al., Meded. Fac. Landbouwwet. Rijksuniv. Gent 37, 663 (1972), C.A. 79, 1260c (1973). Microbial degradation of labelled isoproturon: J.-C. Fournier et al., Chemosphere 4, 207 (1975). Efficacy in winter cereals: R. T. Hewson, Proc. 12th Br. Weed Control Conf. 75 (1974); P. Gonzales et al., Weed Res. 23, 39 (1983). HPLC determn in soil: G. Kulshrestha, R. Khazanchi, J. Chromatogr. 318, 144 (1985).
Properties: White crystals from benzene, mp 158°. Soly in water at 22°: 70 mg/l. LD50 in mice, rats (mg/kg): 3350, 3600 orally (Thizy, 1972).
Melting point: mp 158°
Toxicity data: LD50 in mice, rats (mg/kg): 3350, 3600 orally (Thizy, 1972)
Use: Herbicide. |