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Environmental fate & pathways

Adsorption / desorption

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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 log Kow is 0.41. Therefore, HQEE is considered to have low potential for absorption and no further testing is required.

Key value for chemical safety assessment

Additional information

Waiver. In accordance with column 2 of REACH Annexes XIII, the adsorption / desorption study (required in section 9.3.1 and 9.3.3) do not need to be conducted if, based on the physicochemical properties the substance can be expected to have a low potential for adsorption (e.g. the substance has a low octanol-water partition coefficient). The partition coefficient of HQEE was determined in a reliable study (Young 2012) where the measured log Kow is 0.41. Therefore, HQEE is considered to have low potential for absorption and no further testing is required.