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Environmental fate & pathways

Bioaccumulation: terrestrial

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Description of key information

Waiver: The partition coefficient of HQEE was determined in a reliable study (Young 2012) where the measured Kow is 0.41. Therefore, HQEE is considered to have low potential for bioaccumulation and no further testing is required.

Key value for chemical safety assessment

Additional information

Measured bioconcentration information is not available for HQEE, therefore a waiver is applied. 

In accordance with Column 2 of REACH annex IX, the bioaccumulation test on terrestrial organisms need not 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 partition coefficient of HQEE was determined in a reliable study (Young 2012) where the measured Kow is 0.41. Therefore, HQEE is considered to have low potential for bioaccumulation and no further testing is required.

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