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In accordance with column 2 of EC 1907/2006 Annex IX the testing on “Bioaccumulation” does not need to be performed if the test substance has a low potential for bioaccumulation (for instance a log Kow ≤ 3). 2-isocyanatoethyl methacrylate, as well as its hydrolysis products 2-aminoethyl methacrylate (CAS 7659 -36 -1) and N,N'-[2-(2-Methyl-2-propenoic acid) ethyl ester] urea (CAS 86219 -64 -9), have log Kow values below 3. Thus, bioaccumulation of the parent substance and the hydrolysis products is not expected.