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Physical & Chemical properties

Partition coefficient

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Description of key information

Estimated based on solubility ratio:

log Pow= >0.3 at 23°C and at pH 6.4

Key value for chemical safety assessment

Additional information

The partition coefficient was estimated based on the ratio of the solubilities in n-octanol and in water.

The individual solubilities were determined by the flask method based on OECD Guideline 105 and the ETAD method. The quantification was analyzed by HPLC-UV.

The ETAD method.was developed by intensive cooperation with the ETAD (Ecological and Toxicological Association of Dyes and Organic Pigments Manufacturers) and is regarded as acceptable for pigments.