Products

 

HEXYTHIAZOX

 

Acaricide



NOMENCLATURE
Common name hexythiazox (BSI, draft E-ISO, (m) draft F-ISO)
IUPAC name (4RS,5RS)-5-(4-chlorophenyl)-N-cyclohexyl-4-methyl-2-oxo-1,3-thiazolidine-3-carboxamide 
Chemical Abstracts name trans-5-(4-chlorophenyl)-N-cyclohexyl-4-methyl-2-oxo-3-thiazolidinecarboxamide 
CAS RN [78587-05-0]  Development codes NA-73 (Nippon Soda)

PHYSICAL CHEMISTRY
Mol. wt. 352.9  M.f. C17H21ClN2O2S  Form Colourless crystals.  M.p. 108.0-108.5 ºC  V.p. 0.0034 mPa (20 ºC)  KOW logP = 2.53  Henry 2.40 × 10-3 Pa m3 mol-1 (calc.)  Solubility In water 0.5 mg/l (20 ºC). In chloroform 1379, xylene 362, methanol 206, acetone 160, acetonitrile 28.6, hexane 4 (all in g/l, 20 ºC).  Stability Stable to light, air and heat, and in acidic and alkaline media. Stable to 300 ºC. Aqueous solution in sunlight DT50 16.7 d.

APPLICATIONS
Mode of action Non-systemic acaricide with contact and stomach action. Good translaminar activity. Has ovicidal, larvicidal, and nymphicidal activity. Not active against adults, but eggs laid by treated females are non-viable.  Uses Control of eggs and larvae of many phytophagous mites (particularly Panonychus, Tetranychus, and Eotetranychus spp.) on fruit, citrus, vegetables (all at 150-300 g/ha), vines and cotton.  Formulation types EC; FU; WP.