Structural Formula Vector Image
Title: Fluometuron
CAS Registry Number: 2164-17-2
CAS Name: N,N-Dimethyl-N¢-[3-(trifluoromethyl)phenyl]urea
Additional Names: 1,1-dimethyl-3-(a,a,a-trifluoro-m-tolyl)urea; N-(3-trifluoromethylphenyl)-N¢,N¢-dimethylurea
Manufacturers' Codes: Ciba 2059
Trademarks: Cotoran (Griffin); Cottonex (Makhteshim-Agan)
Molecular Formula: C10H11F3N2O
Molecular Weight: 232.20
Percent Composition: C 51.73%, H 4.77%, F 24.55%, N 12.06%, O 6.89%
Literature References: Made by the reaction of dimethylamine on 3-trifluoromethylphenyl isocyanate: Abel, Chem. Ind. (London) 1957, 1106. Herbicidal preparations: Martin, Aebi, US 3134665 (1964 to Ciba). Toxicity data: R. Ben-Dyke et al., World Rev. Pest Control 9, 119 (1970). Review of carcinogenic risk: IARC Monographs 30, 245-253 (1983).
Properties: Crystals, mp 163-164.5°. Soly in water at 25°: 80 ppm; sol in acetone, ethanol, isopropanol, DMF and other organic solvents. LD50 in rats (mg/kg): 8900 orally; in rabbits (mg/kg): >10,000 dermally (Ben-Dyke).
Melting point: mp 163-164.5°
Toxicity data: LD50 in rats (mg/kg): 8900 orally; in rabbits (mg/kg): >10,000 dermally (Ben-Dyke)
Use: Herbicide.

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