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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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In the assessment of zinc dioctanoate, read-across to analogue substances and/or the assessment entities soluble zinc substances and octanoic acid is applied since the ions of zinc dioctanoate determine its fate and toxicity in the environment. Data available for soluble zinc substances and octanoic acid indicate that the moiety of ecotoxicological concern are zinc cations. The ecotoxic potential of the fatty acid chain, i.e. octanoate, is assumed to be negligible. Fatty acids are generally not considered to represent a risk to the environment, which is reflected in their exclusion from REACH registration requirements (c.f. REACH Annex V (Regulation (EC) No 987/2008)). Aquatic toxicity data of octanoic acid point to low toxic potential to aquatic algae.

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