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Toxicity to terrestrial arthropods

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Description of key information

One long-term terrestrial test is available with a NOEC of 940 mg a.i. /kg dw. The chemical safety assessment indicates no need to investigate further.

Due to the intrinsic properties of cationic surfactants the result of one long-term terrestrial test is considered of higher reliability for the calculation of the terrestrial PNEC when compared to the Equilibrium Partitioning Method based PNEC.

Key value for chemical safety assessment

Additional information

There are no data available for characterizing the acute effects of N-[2-(piperazin-1-yl)ethyl]C18-insaturated-alkylamide on terrestrial arthropods. N-[2-(piperazin-1-yl)ethyl]C18-insaturated-alkylamide sorb strongly to soil and the bioavailable fraction is quickly degraded to form 1 aminoethylpiperazine. Therefore one long-term earthworm test has been performed to assess the long-term risk for terrestrial species. Further tests on terrestrial organisms do not need to be conducted if no concern is indicated for the terrestrial compartment based on one long-term test result.