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EC number: 309-304-0 | CAS number: 100208-97-7
The determination of the log Pow using the respective OECD guideline methods was technically not feasible due to the intrinsic properties of the test item:
- The test item is a UVCB and the flask-shake (OECD TG 107) and slow-stir method (OECD TG 123) for determination the log Pow are not applicable to complex mixtures.
- The test item cannot be chromatographed under the conditions described in the HPLC-method (OECD Guideline 117) since it is insoluble in the solvents used for the reverse phase HPLC.
- The test item has no defined chemical structure; therefore the calculation of the log Pow with a QSAR tool is no possible.
Hence, the log Pow has to be estimated based on individual solubilities of the test item in water and n-octanol. Considering the water solubility of 4.1 mg/L and the n-octanol solubility of < 0.5 mg/L a log Pow of <0.9 has been estimated
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