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Hydrolysis: in view of its low water solubility, the study was waived.

Biodegradation: 2,5 -bis(1,1-dimethylpropyl)benzene-1,4-diol is not readily nor inherently biodegradable and further testing is not required.

Bioaccumulation: The available non-experimental data indicate that 2,5-bis(1,1-dimethylpropyl)-1,4-diol has a BCF which is below the classification threshold of 2000 L/kg for B in the PBT/vPvB assessment.

Transport and distribution: A log Koc value of 3.68 was experimentally derived for 2,5-bis(1,1-dimethylpropyl)-1,4-diol.