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Lambda-cyhalothrin 25 g/kg
A reaction product comprising equal quantities of
(S)-α-cyano-3-phenoxybenzyl (Z)-(1R,3R)-3-(2-chloro-3,3,3-trifluoroprop-1-enyl)-2,2-
dimethylcyclopropanecarboxylate and
(R)-α-cyano-3-phenoxybenzyl (Z)-(1S,3S)-3-(2-
chloro-3,3,3-trifluoroprop-1-enyl)-2,2-
dimethylcyclopropanecarboxylate

449.9
The material shall consist of technical lambda-cyhalothrin, complying with the requirements of WHO specification 463/TC (2003), dissolved in suitable solvents together with any other necessary formulants. It shall be in the form of a clear to slightly hazy, stable homogeneous liquid, free from visible suspended matter and sediment, to be applied as an emulsion after dilution with water.
There shall be a maximum of 15 ml after 1 minute.
Stability at 0 °C
After storage at 0 ± 2°C for 7 days, the volume of solid or liquid which separates shall not be more than 0.3 ml.
After storage at 54 ± 2°C for 14 days, the determined average active ingredient content shall not be lower than 95%, relative to the determined average content before storage and the formulation shall continue to comply with the clauses for pH range and emulsion stability and re-emulsification.