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Barium titanium trioxide is an inorganic substance. In accordance with column 2 of REACH Annex VII, No 7.8, the partition coefficient study (n-octanol/water) does not need to be conducted as the substance is inorganic. The scientific background is that determination of the partition coefficient n-octanol/water (log Pow = P-value) applies only for organic substances.

In accordance with

- column 2 of REACH Annex VIII, No. 9.3.1 as well as Annex IX, Numbers 9.3.2 and 9.3.3

- in conjunction with the fact that barium titanium trioxide is inorganic screening testing for biodegradation in water is not required.