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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Description of key information

Accumulation in organisms is not to be expected.

Key value for chemical safety assessment

Additional information

Significant accumulation of the test substance in organisms is not to be expected. For pentanol branched and linear the log kow was determined in a range of 1.21 – 1.51 (Range of the three isomeres 71 -41 -0 Pentan-1-ol, 137 -32 -6 2-Methylbutan-1-ol and 123 -51 -3 3-Methylbutan-1-ol). In accordance with Column 2 of REACH Annex IX, the study does not need to be conducted if the substance has a low potential for bioaccumulation (for instance a log Kow < 3) and/or a low potential to cross biological membranes. The substance has a log Kow < 3 and a low potential for bioaccumulation. Testing of bioconcentration in an aquatic species is therefore not required.