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Adsorption / desorption

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Reference
Endpoint:
adsorption / desorption: screening
Data waiving:
other justification
Justification for data waiving:
the study does not need to be conducted because the substance has a low octanol water partition coefficient and the adsorption potential of this substance is related to this parameter
the study does not need to be conducted because the substance and its relevant degradation products decompose rapidly
Reason / purpose for cross-reference:
reference to other study
Reason / purpose for cross-reference:
reference to other study

Description of key information

According to column 2, Annex VIII " The study does not need to be conducted if the substance and its relevant degradation products decompose rapidly or 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)". In ECHA Guidance R.7.1.15.1, a cut off value for log Kow of 3 is given. Isobutavan have a logKow of 2 and is readily biodegradable.

Key value for chemical safety assessment

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