Title: Difenoconazole
CAS Registry Number: 119446-68-3
CAS Name: 1-[[2-[2-Chloro-4-(4-chlorophenoxy)phenyl]-4-methyl-1,3-dioxolan-2-yl]methyl]-1H-1,2,4-triazole
Additional Names: cis,trans-3-chloro-4-[4-methyl-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-2-yl]phenyl 4-chlorophenyl ether
Manufacturers' Codes: CGA-169374
Trademarks: Dividend (Syngenta); Plandom (Nihon Nohyaku); Score (Syngenta); Spectro (Novartis Agro)
Molecular Formula: C19H17Cl2N3O3
Molecular Weight: 406.26
Percent Composition: C 56.17%, H 4.22%, Cl 17.45%, N 10.34%, O 11.81%
Literature References: Ergosterol biosynthesis inhibitor. Prepn: A. Hubele, P. Riebli, GB 2098607 (1982 to Ciba-Geigy). Properties and antifungal activity: W. Ruess et al., Brighton Crop Prot. Conf. - Pests Dis. 1988, 543. Field studies: A. J. Leadbeater et al., ibid. 917; A. B. Bassi, Jr. et al., Br. Crop Prot. Counc. Monogr. 57, 91 (1994). Uptake and translocation in crops: H. Dahmen, T. Staub, Plant Dis. 76, 523 (1992).
Properties: White crystalline solid, mp 76°. Vapor pressure (20°): 1.2 ´ 10-7 Pa. Soly (20°): 5 mg/l in water. Very soluble in most organic solvents. LD50 in rats (mg/kg): 1453 orally; in rabbits: >2010 dermally (Ruess).
Melting point: mp 76°
Toxicity data: LD50 in rats (mg/kg): 1453 orally; in rabbits: >2010 dermally (Ruess)
Use: Agricultural fungicide.
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