Tralkoxydim
Title: Tralkoxydim
CAS Registry Number: 87820-88-0
CAS Name: 2-[1-(Ethoxyimino)propyl]-3-hydroxy-5-(2,4,6-trimethylphenyl)-2-cyclohexen-1-one
Additional Names: 2-[1-(ethoxyimino)propyl]-3-hydroxy-5-mesitylcyclohex-2-en-1-one
Manufacturers' Codes: PP-604
Trademarks: Achieve (Syngenta); Grasp (Syngenta)
Molecular Formula: C20H27NO3
Molecular Weight: 329.43
Percent Composition: C 72.92%, H 8.26%, N 4.25%, O 14.57%
Literature References: Cereal selective post-emergent herbicide. Prepn: R. B. Warner et al., EP 80301; eidem, US 4717418 (1983, 1988 both to ICI). Physical properties and herbicidal activity: R. B. Warner et al., Proc. Br. Crop Prot. Conf. - Weeds 1987, 19. Field trials on grass weeds: J. Rola, ibid. 363; P. B. Sutton et al., ibid. 389. Mechanism of action study: J. Secor, C. Cseke, Plant Physiol. 86, 10 (1988).
Properties: White crystalline solid, mp 106°. Vapor pressure at 20°: 4´10-10 kPa. Soly at 20° (mg/l): water 6 at pH 6.5, 5 at pH 5.0; at 24° (g/l): hexane 18; toluene 213; dichloromethane >500; methanol 25; acetone 89; ethyl acetate 110. LD50 orally in male and female rats, male and female mice, male rabbit (mg/kg): 1324, 934, 1231, 1100, 519; dermally in male and female rats: >2000, >2000 mg/kg (Warner 1987).
Melting point: mp 106°
Toxicity data: LD50 orally in male and female rats, male and female mice, male rabbit (mg/kg): 1324, 934, 1231, 1100, 519; dermally in male and female rats: >2000, >2000 mg/kg (Warner 1987)
Use: Post-emergent herbicide.

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