Table 1.
Chemical structure and properties of tested insecticides.
| Properties | Fipronil | Thiamethoxam |
|---|---|---|
| Chemical structure | ![]() |
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| Chemical formula | C12H4Cl2F6N4OS | C8H10ClN5O3S |
| CAS Number | 120068-37-3 | 153719-23-4 |
| Molar mass | 437.14 g mol−1 | 291.71 g mol−1 |
| Group | Phenylpyrazole | Neonicotinoid |
| Solubility in water at 20 °C | 0.0024 g L−1 | 4.1 g L−1 |
| Octanol–Water Partition Coefficient (Kow) | 1.00 × 104 | 0.74 |
| Vapor pressure (mmHg) at 25 °C | 2.80 × 10−9 | 4.95 × 10−11 |
| Usage | It is used for controlling multiple species of thrips on a broad range of crops by foliar, soil or seed treatment. Control of corn rootworm, wireworms, and termites by soil treatment in maize. Soil treatment rates range from 100–200 g/ha. Foliar application rates 10–80 g/ha | It is used for controlling aphids, whiteflies, thrips, ricehoppers, Colorado potato beetle, flea beetles, wireworms, ground beetles, and leaf miners at 10 to 200 g/ha. It is applied by foliar, soil, and seed treatments. Also, it is used for control of flies in animal and public health |

