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CAS No 96525-23-4 , 5-(methylamino)-2-phenyl-4-[3-(trifluoromethyl)phenyl]furan-3-one

  • Name: 5-(methylamino)-2-phenyl-4-[3-(trifluoromethyl)phenyl]furan-3-one
  • Synonyms: 96525-23-4; Flurtamone [ISO:ANSI:BSI];Benchmark;5-(methylamino)-2-phenyl-4-[3-(trifluoromethyl)phenyl]furan-3-one; RE 40885; (+-)-5-(Methylamino)-2-phenyl-4-(3-(trifluoromethyl)phenyl)-3(2H)-furanone;
  • CAS Registry Number:
  • Transport: UN3077 9/PG 3
  • Density: 1.33 g/cm3
  • Refractive index: 1.576
  • Safety Statements: Moderately toxic by ingestion and skin contact routes. Questionable carcinogen with neoplastigenic data reported. When heated to decomposition it emits toxic vapors of NOx and F−.
  • Hazard Symbols: N: Dangerous for the environment;
  • Molecular Weight: 333.30447
  • InchiKey: NYRMIJKDBAQCHC-UHFFFAOYSA-N
  • InChI: InChI=1S/C18H14F3NO2/c1-22-17-14(12-8-5-9-13(10-12)18(19,
    20)21)15(23)16(24-17)11-6-3-2-4-7-11/h2-10,16,22H,1H3
  • Risk Statements: 50/53
  • Molecular Formula: C18H14F3NO2
  • Molecular Structure:CAS No:96525-23-4 5-(methylamino)-2-phenyl-4-[3-(trifluoromethyl)phenyl]furan-3-one

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References of 5-(methylamino)-2-phenyl-4-[3-(trifluoromethyl)phenyl]furan-3-one
Title: Flurtamone
CAS Registry Number: 96525-23-4
CAS Name: 5-(Methylamino)-2-phenyl-4-[3-(trifluoromethyl)phenyl]-3(2H)-furanone
Synonyms: 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.