Metobromuron
Title: Metobromuron
CAS Registry Number: 3060-89-7
CAS Name: N¢-(4-Bromophenyl)-N-methoxy-N-methylurea
Additional Names: 3-(p-bromophenyl)-1-methoxy-1-methylurea
Manufacturers' Codes: Ciba 3126
Trademarks: Pattonex (Makhteshim-Agan); Patoran (Syngenta)
Molecular Formula: C9H11BrN2O2
Molecular Weight: 259.10
Percent Composition: C 41.72%, H 4.28%, Br 30.84%, N 10.81%, O 12.35%
Literature References: Prepd by bromination of N-phenyl-N¢-methoxy-N¢-methylurea: H. Martin et al., CH 405821; eidem, US 3288851 (both 1966 to Ciba). Toxicity study: S. Novakova, S. Dinoeva, Egeszsegtudomany 17, 233 (1973), C.A. 80, 56258j (1974).
Properties: Crystals from cyclohexane, mp 95-96°. Vapor pressure at 20°: 3´10-6 mm Hg. Soly in water at 20° = 320 ppm. Sol in methanol, ethanol, acetone, chloroform. LD50 orally in rats: 3875 mg/kg (Novakova, Dinoeva).
Melting point: mp 95-96°
Toxicity data: LD50 orally in rats: 3875 mg/kg (Novakova, Dinoeva)
Use: Herbicide.

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