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Alpha-cypermethrin 100 g/kg
A racemic mixture of: (S)-α-cyano-3-phenoxybenzyl-(1R,3R)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate and (R)-α-cyano-3-phenoxybenzyl-(1S,3S)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate

416.3
The material shall consist of a suspension of fine particles of technical alphacypermethrin, complying with the requirements of WHO specification 454/TC (April 2006), in an aqueous phase together with suitable formulants. After gentle agitation the material shall be homogeneous and suitable for further dilution in water.
Wet sieve test
Maximum: 2% of the formulation shall be retained on a 75 μm test sieve.
Suspensibility
A minimum of 70% of the alpha-cypermethrin content found in the suspension after 30 min in CIPAC standard water D at 30 ± 2°C.
Wettability
Persistent foam
Storage stability
Stability at elevated temperature
After storage at 54 ± 2°C for 14 days, the determined average active ingredient content must not be lower than 95%, relative to the determined average content found before storage, and the formulation shall continue to comply with the clauses for:
- pH range
- Wet sieve test
- Suspensibility