Myclobutanil
Title: Myclobutanil
CAS Registry Number: 88671-89-0
CAS Name: a-Butyl-a-(4-chlorophenyl)-1H-1,2,4-triazole-1-propanenitrile
Additional Names: 2-(4-chlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)hexanenitrile
Manufacturers' Codes: RH-3866
Trademarks: Eagle (Dow AgroSci.); Laredo (Dow AgroSci.); Nova (Dow AgroSci.); Rally (Dow AgroSci.); Systhane (Dow AgroSci.)
Molecular Formula: C15H17ClN4
Molecular Weight: 288.78
Percent Composition: C 62.39%, H 5.93%, Cl 12.28%, N 19.40%
Literature References: Broad spectrum systemic triazole fungicide; ergosterol-biosynthesis inhibitor. Prepn: T. T. Fujimoto, EP 145294 (1985 to Rohm & Haas), C.A. 103, 160519z (1985). Physical properties and field trials: C. Orpin et al., Proc. Br. Crop Prot. Conf. - Pests Dis. 1986, 55; A. Perrot, Def. Veg. 40, 9 (1986). Antifungal activity: J. A. Quinn et al., Pestic. Sci. 17, 357 (1986).
Properties: Light yellow crystals, mp 63-68°. bp1.0 202-208°. Vapor pressure at 25°: 1.6 ´ 10-6 Torr. Soly at 25°: water 142 ppm. Sol in common organic solvents such as ketones, esters, alcohols, aromatic hydrocarbons. Insol in aliphatic hydrocarbons. LD50 in male, female rats (mg/kg): 1600, 2229 orally; LD50 in rabbits (mg/kg): 7500 dermally (Orpin).
Melting point: mp 63-68°
Boiling point: bp1.0 202-208°
Toxicity data: LD50 in male, female rats (mg/kg): 1600, 2229 orally; LD50 in rabbits (mg/kg): 7500 dermally (Orpin)
Use: Agricultural fungicide.

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