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Short-term toxicity to aquatic invertebrates

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Read-across to the assessment entities soluble zinc substances and neodecanoic acid is applied for the assessment of zinc neodecanoate, basic since the ions of zinc neodecanoate, basic determine its fate and toxicity in the environment. Reliable data available for soluble zinc substances and neodecanoate indicate that the moiety of ecotoloxicological concern are zinc cations. The lowest reliable 48h-EC50 values at different solution pH and hardness range for Ceriodaphnia dubia from 0.147 to >0.53 mg Zn/L whereas a 48 -h EL50 > 457 mg/L for Daphnia magna was derived for neodecanoic acid.

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