| Title:  Epoxiconazole CAS Registry Number:  133855-98-8;  106325-08-0 (undefined) CAS Name:  rel-1-[[(2R,3S)-3-(2-Chlorophenyl)-2-(4-fluorophenyl)oxiranyl]methyl]-1H-1,2,4-triazole Additional Names:  (2RS,3RS)-1-[3-(2-chlorophenyl)-2,3-epoxy-2-(4-fluorophenyl)-propyl]-1H-1,2,4-triazole Manufacturers' Codes:  BAS-480-F Trademarks:  Opus (BASF) Molecular Formula:  C17H13ClFN3O Molecular Weight:  329.76 Percent Composition:  C 61.92%, H 3.97%, Cl 10.75%, F 5.76%, N 12.74%, O 4.85% Literature References:  Ergosterol biosynthesis inhibitor.  Prepn:  S. Karbach et al., EP 196038; eidem, US 4906652 (1986, 1990 both to BASF).  Properties and field trials:  E. Ammermann et al., Brighton Crop Prot. Conf. - Pests Dis. 1990, 407; R. Saur et al., ibid. 831.  Mode of action:  A. Akers et al., ibid. 837.  Use in combination with fenpropimorph, q.v.:  R. Saur et al., Gesunde Pflanz. 46, 61 (1994).  Brief review:  A. Floquet, N. Martin, Phytoma 449, 54-57 (1993). Properties:  Crystals from diisopropyl ether, mp 136.2°.  Soly at 20° (g/100 ml):  water 6.63 ´ 10-4, acetone 18, dichloromethane 14, n-heptane <0.1.  Partition coefficient (n-octanol/ water at pH 7) 3.44.  LD50 in rats (mg/kg):  >5000 orally, >2000 dermally; LC50 in rats (4 hr):  >5.3 mg/l (dust aerosol) (Ammermann). Melting point:  mp 136.2° Log P:  Partition coefficient (n-octanol/ water at pH 7) 3.44 Toxicity data:  LD50 in rats (mg/kg):  >5000 orally, >2000 dermally; LC50 in rats (4 hr):  >5.3 mg/l (dust aerosol) (Ammermann) Use:  Agricultural fungicide.  |