Hangzhou Leaflife Chemical Co., Ltd.

Products

 

HEXYTHIAZOX

 

Acaricide

HEXYTHIAZOX

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. 

COMMERCIALISATION
History Acaricide reported by T. Yamada (Proc. Int. Congr. Pestic. Chem., Kyoto, 5th, 1982), see also Jpn. Pestic. Inf., 1984, No. 44, p. 21. Introduced by Nippon Soda Co., Ltd. Registered in Japan in 1985.  Patents GB 2059961; US 4442116  Manufacturers Nippon Soda

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.