The active ingredient deltamethrin (NRDC 161 and RU 22974) is found in a variety of commercial insecticide products. Trade names for products containing deltamethrin include Butoflin, Butoss, Butox, Cislin, Crackdown, Cresus, Decis, Decis-Prime, K-Othrin, and K-Otek (1, 83, 86, 61, 20). Deltamethrin 5%EC
Deltamethrin content: Deltamethrin 50 g/kg
Class : Synthetic Pyrethroid
CAS Number: 52918-63-5
Empirical formula : C22H19Br2NO3
Chemical Name: (S)-α-cyano-3-phenoxybenzyl (1R,3R)-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropane carboxylate
Structural Formula :
Molecular Weight: 505.2
Description
It shall be in the form of a stable homogeneous liquid, free from visible suspended matter and sediment, to be applied as an emulsion after dilution in water.
PH Range
The pH of an aqueous dispersion shall be 4.5 to 7.5
Persistent foam
Maximum: 50 ml after 1 min.
Emulsion stability and re-emulsification
The formulation, when diluted at 30 ± 2°C with CIPAC Standard Waters A and D, shall comply with the following:
Persistent foam
Maximum: 50 ml after 1 min.
Storage stability
Stability at 0 °C
After storage at 0 ± 2°C for 7 days, the volume of solid and/or liquid which separates shall not be more than 0.3 ml.
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 and emulsion stability and re-emulsification.
| Time after dilution |
| Limits of stability |
| 0 h | : | Initial emulsification complete |
| 0.5 h | : | Cream: none |
| 2.0 h | : | "Cream", maximum: 1 ml
"Free oil": none |
| 24 h | : | Re-emulsification complete |
| 24.5 h
Note: tests at 24 h are required only where the results at 2 h are in doubt. | : | "Cream": none
"Free oil": none |
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