TECHNICAL --- HERBICIDE: pyridate  CAS No.: 55512-33-9
Content: 90%TC
NOMENCLATURE
O-(6-chloro-3-phenyl-4-pyridazinyl) S-octyl carbonothioate PHYSICAL CHEMISTRY Mol. wt. 378.9 M.f. C19H23ClN2O2S Form Colourless crystals; (tech., brown, oily liquid). M.p. 27 ℃; (tech., 20-25 ℃) B.p. 220 ℃/0.1 mmHg (tech.) V.p. 4.8 10-4 mPa (20 ℃) (tech.) KOW logP = 4.01 Henry 1.21 10-4 Pa m3 mol-1 (20 ℃) (calc.) S.g./density 1.16 (20 ℃) (tech.) Solubility In water c. 1.5 mg/l (pH 7, 20 ℃). Readily soluble in most organic solvents. Stability Hydrolysis DT50 89 h (pH 5), 58.5 h (pH 7), 6.2 h (pH 9) (all 25 ℃). F.p. 131 ℃ APPLICATIONS Post-emergence control of annual broad-leaved weeds, especially Solanum spp., Chenopodium spp., Galium aparine, Kochia scoparia and Amaranthus retroflexus (triazine-resistant biotypes), and some grass weeds, in maize, sweet corn, oilseed rape, cereals, rice, peanuts and vegetables, at 0.9 kg a.i./ha. Often used in combination with a triazine or other product, to extend the spectrum of activity. |
