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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Key value for chemical safety assessment

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Experimental results from two studies on bioaccumulation conclusively show that the substances comprised by the Diarylide Yelow Pigments are not bioaccumulative. In both studies concentration in fish were lower than the limit of detection. Thus, the determined bioaccumulation factors are upper limits representing the detection limits of the analytical methods. This is expected as the log Powof the substances is low and they are highly insoluble in water as well as organic solvents / fat.