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In the assessment of strontium 2-ethylhexanoate bioaccumulation, read-across to the assessment entities soluble strontium substances and 2-ethylhexanoic acid is applied since the ions of strontium 2-ethylhexanoate determine its potential to bioaccumulate. Several studies on the bioaccumulation in freshwater and seawater species are available for strontium compounds. BCFs of hard tissues of freshwater organisms are relatively low and even lower for saltwater species. Limited data on the transfer of Sr up the aquatic food chain indicates that strontium does not biomagnify. In addition, bioaccumulation in terrestrial plants is low. Based on data available for strontium and 2-ethylhexanoate with a log n-octanol/water partition coefficient < 3, strontium 2-ethylhexanoate is expected to have a low potential to bioaccumulate in aquatic and terrestrial organisms.

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