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Permethrin 500 g/l
3-phenoxybenzyl (1RS,3RS;1RS,3SR)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate

391.3
The material shall consist of technical permethrin complying with the requirements of FAO Specification 331/TC/S (1991), dissolved in suitable solvents and with any other necessary formulants. It shall be in the form of a stable liquid, free from visible suspended matter and sediment.
Maximum 3 g/kg
Maximum acidity: 1.5 g/kg calculated as H2SO4 |
After the heat stability test, the product, when diluted at 300C with CIPAC Standard Waters A and C, shall comply with the following:
Time after dilution Limits of stability
0 h : Initial emulsification complete
0.5 h : 'Cream', maximum: 1 ml
2.0 h : 'Cream', maximum: 2 ml
'Free oil': nil
24 h : Re-emulsification complete
24.5 h : 'Cream', maximum: 2 ml
'Free oil', maximum: 2 ml
Stability at 0 ±1°C
After storage at 0 ±1°C for 7 days, the volume of solid and/or liquid which separates shall be not more than 0.3 ml.