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Partition coefficient

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Description of key information

- Measured immediately after filtraton:

Log Pow= -0.62 at 23°C

- Measured after one week:

Log Pow=  1.69 at 23°C

Key value for chemical safety assessment

Additional information

The determination was carried out by flask method based on the ETAD method. This standard method was developed by intensive cooperation with the ETAD (Ecological and Toxicological Association of Dyes and Organic Pigments Manufacturers).

The pigment-solutions were not stable. after ca. one week an agglomeration of the pigment can be observed (especially in water). So there are two different results given for this pigment.