Fenhexamid

Title: Fenhexamid
CAS Registry Number: 126833-17-8
CAS Name: N-(2,3-Dichloro-4-hydroxyphenyl)-1-methylcyclohexanecarboxamide
Additional Names: 1-methyl-cyclohexanecarboxylic acid (2,3-dichloro-4-hydroxy-phenyl)-amide
Manufacturers' Codes: KBR-2738
Trademarks: Decree (Arvesta); Elevate (Arvesta)
Molecular Formula: C14H17Cl2NO2
Molecular Weight: 302.20
Percent Composition: C 55.64%, H 5.67%, Cl 23.46%, N 4.63%, O 10.59%
Literature References: Hydroxyanilide fungicide. Prepn: B.-W. Krüger et al., EP 339418; eidem, US 5059623 (1989, 1991 both to Bayer). Review of properties and activities: H.-J. Rosslenbroich et al., Brighton Crop Prot. Conf. - Pests Dis. 1998, 327-334; of field trials on fruit crops: N. M. Adam, P. A. Birch, ibid., 849-856.
Properties: mp 141°. Soly in water at 20°: 20 mg/l (pH 5-7). Vapor pressure at 20°: 4 ´ 10-7 Pa (extrapolated). Log P (n-octanol/water) at 20°: 3.51 (pH 7). LD50 in rats (mg/kg): >5000 orally; >5000 dermally (24 hr). LC50 (4hr) in rats (mg/m3): >5057 by inhalation. (Rosslenbroich).
Melting point: mp 141°
Log P: Log P (n-octanol/water) at 20°: 3.51 (pH 7)
Toxicity data: LD50 in rats (mg/kg): >5000 orally; >5000 dermally (24 hr); LC50 (4hr) in rats (mg/m3): >5057 by inhalation. (Rosslenbroich).
Use: Fungicide.
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