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Partition coefficient

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Description of key information

5.1 (water solubility determined via TOC for sample size 0.1 g/l)

4,2 (water solubility determined via TOC for sample size 1.0 g/l )

3.6 (water solubility determined via TOC for sample size 10 g/l )

5.2 (water solubility determined via GC for sample size 0,1 g/l)

4.2 (water solubility determined via GC for sample size 1.0 g/l)

3.6 (water solubility determined viaGC for sample sice 10.0 g/l)

Key value for chemical safety assessment

Additional information

Due to its composition, the partition coefficient n-octanol / water (Pow) of the test item can only be estimated from the single solubilities in n-octanol and in water.

The solubility in water is not a constant but increases with the mass of test item applied in the experiment. This is because the test item is a mixture. Every constituent contributes to a different degree to overall solubility, depending on its own individual solu-bility and its mass fraction in the test item. Therefore, results depend on the proportions of test item and water used in the respective experiment

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