Chemical name: O-6-chloro-3-phenylpyridazin-4-yl S-octyl thiocarbonate
CAS no.: 55512-33-9

Structural formula:

Molecular formula: C₁₉H₂₃ClN₂O₂S
Physical & chemical property:
Physical State: colourless crystals
Melting point: 27°C
Density: 1.16 (20°C)
Solubility: In water c. 1.5mg/l (pH 7, 20°C). Readily soluble in most organic solvents.
Stability: Hydrolysis DT50 89h (pH 5), 58.5h (pH 7), 6.2h (pH 9) (all 25°C)
Specification: 95%TC
Uses: Selective contact herbicide, absorbed predominantly by the leaves. Post-emergence control of annual broad-leaved weeds, especially Salanum 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 0.9kg a.i./ha. Often used in combination with a triazine or other product, to extend the spectrum of activity.