33. Acequinocyl

Nomenclature

CAS number: 57960-19-7
2-(Acetyloxy)-3-dodecyl-1,4-naphthalenedione; AKD-2023; DPX-3792; DPX-T3792; AC-145; Kanemite (Agro-Kanesho).
C24H32O4; mol wt 384.51.
C 74.97%, H 8.39%, O 16.64%.

Description and references

Naphthoquinone miticide; inhibits mitochondrial electron transfer. Prepn: NL 7505470; R. F. Bellina, D. L. Fost, US 4082848 (1975, 1978 both to Du Pont). Field study on mites: D. A. Marsden, W. W. Allen, J. Econ. Entomol. 73, 168 (1980). Acaricidal mechanism: Y. Koura et al., J. Pestic. Sci. 23, 18 (1998). Review of physical properties, mode of action, and biological characteristics: F. Wakasa, S. Watanabe, Agrochem. Jpn. 75, 17 (1999).

Chemical structure

Properties

Fine yellowish powder, mp 59.6°. Soly in water at 25°: 6.7 × 106 g/l. Vapor pressure at 40°: 5.18 × 105 Pa. Log P (octanol/water): > 6.2. LD50 in rats (mg/kg): > 5000 orally, > 2000 dermally; in mice (mg/kg): > 5000 orally. LC50 (96hr) in carp, rainbow trout (mg/l): > 96.5, > 33 (Wakasa).

Use

Acaricide.