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.
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.