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Environmental fate & pathways

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The bioconcentration factor (BCF) of 'Reaction mass of benzyl 2-ethylhexyl adipate and bis(2-ethylhexyl) adipate and dibenzyl adipate' was predicted using the Estimation Program Interface (EPI) Suite version 4.1.

The estimation yielded a BCF of 358.4 L/kg wwt for benzyl 2-ethylhexyl adipate, a BCF of 957.1 L/kg wwt for bis(2-ethylhexyl) adipate and a BCF of 685.4 L/kg wwt for dibenzyl adipate.

Additionally, bioaccumulation of one constituent of 'Reaction mass of benzyl 2-ethylhexyl adipate and bis(2-ethylhexyl) adipate and dibenzyl adipate' (bis(2-ethylhexyl) adipate)on Lepomis macrchirus was tested in a flow through test according to American national standard ASTM. For bis(2-ethylhexyl) adipate a whole-fish BCF of 27 was observed, indicating no significant bioaccumulation in fish. Based on this result, it is assumed that also the other two constituents of 'Reaction mass of benzyl 2-ethylhexyl adipate and bis(2-ethylhexyl) adipate and dibenzyl adipate' (benzyl 2-ethylhexyl adipate and dibenzyl adipate) will not be accumulative.