Product Name:Pyridaben 15% EC

Item No.: 96489-71-3

Description:

Pyridaben

Insecticide, acaricide

NOMENCLATURE

Common name pyridaben (BSI, draft E-ISO)

IUPAC name 2-tert-butyl-5-(4-tert-butylbenzylthio)-4-chloropyridazin-3(2H)-one 

Chemical Abstracts name 4-chloro-2-(1,1-dimethylethyl)-5-[[[4-(1,1-dimethylethyl)phenyl]methyl]thio]-3(2H)-pyridazinone 

CAS RN [96489-71-3]

PHYSICAL CHEMISTRY

Mol. wt. 364.9

M.f. C19H25ClN2OS

Form Colourless crystals.

M.p. 111-112 ºC

V.p. 0.25 mPa (20 ºC)

KOW logP = 6.37 (23? ºC, distilled water)

S.g./density 1.2 (20 ºC)

Solubility In water 0.012 mg/l (24 ºC). In acetone 460, ethanol 57, hexane 10, benzene 110, xylene 390, cyclohexane 320, n-octanol 63 (all in g/l, 20 ºC).

Stability Stable at 50 ºC for 90 d; unstable to light. Stable to hydrolysis for 30 d in the dark (pH 5, 7 and 9, 25 °C). 

APPLICATIONS

Biochemistry Inhibitor of mitochondrial electron transport at complex I

Mode of action Non-systemic insecticide and acaricide. Rapid knockdown and long residual activity. Active against all developing stages, especially against the larval and nymph stages.

Uses Control of Acari, Aleyrodidae, Aphididae, Cicadellidae and Thysanoptera on field crops, fruit trees, ornamentals and vegetables, at 5-20 g/hl or 100-300 kg/ha.