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Physical & Chemical properties

Water solubility

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Description of key information

The water solubility of the registered substance PR 254 is considered to be < 0.1 mg/L. Therefore, PR 254 is considered insoluble in water.

Key value for chemical safety assessment

Additional information

Using a method specifically developed for pigments ('ETAD-method'), the log kow of the registered substance PR 254 has been determined by the ratio of the solubilities in octanol (0.103 mg/L) and in water (0.0004 mg/L). Therefore, PR 254 is considered insoluble in water.

This is supported by a reliable study according to EU test method A.6. In this tsudy the water solubility of PR 254 is determined to be < 0.6 mg/L.