Structural Formula Vector Image
Title: Flurtamone
CAS Registry Number: 96525-23-4
CAS Name: 5-(Methylamino)-2-phenyl-4-[3-(trifluoromethyl)phenyl]-3(2H)-furanone
Additional Names: 5-methylamino-2-phenyl-4-(a,a,a-trifluoro-m-tolyl)furan-3(2H)-one
Manufacturers' Codes: RE-40885
Trademarks: Baccara (Aventis)
Molecular Formula: C18H14F3NO2
Molecular Weight: 333.30
Percent Composition: C 64.86%, H 4.23%, F 17.10%, N 4.20%, O 9.60%
Literature References: Bleaching herbicide; inhibits carotenoid biosynthesis. Prepn: C. E. Ward, DE 3422346; idem, US 4568376 (1984, 1986 both to Chevron). LC determn in soil: T. C. Mueller et al., J. Assoc. Off. Anal. Chem. 73, 298 (1990). Mode of action study: G. Sandmann et al., Plant Physiol. 94, 476 (1990). Persistence in soil: T. C. Mueller et al., Weed Sci. 38, 411 (1990). Crystal structure: G. Pèpe et al., Acta Crystallogr. C52, 1514 (1996). Review of physical properties, mode of action, and field trials: D. D. Rogers et al., Proc. Br. Crop Prot. Conf. - Weeds 1987, 69-75.
Properties: Ivory powder, mp 152-155°; also reported as colorless monoclinic crystals. d 1.38 mg/m3. Soly in water at 20°: 35 mg/l; in ethanol at 25°: 9.92 g/g solvent. Sol in acetone, methanol, methylene chloride. Slightly sol in isopropanol. LD50 in rats (mg/kg): 500 orally; in rabbits (mg/kg): 500 dermally (Rogers).
Melting point: mp 152-155°
Density: d 1.38 mg/m3
Toxicity data: LD50 in rats (mg/kg): 500 orally; in rabbits (mg/kg): 500 dermally (Rogers).
Use: Herbicide.

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