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Physical & Chemical properties

Partition coefficient

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Description of key information

Partition coefficient of test substance Basic blue 99 was estimated to be log Kow = -0.88. 

Key value for chemical safety assessment

Log Kow (Log Pow):
-0.88

Additional information

On the basis of prediction using Danish QSAR modelling database (2016), Partition coefficient of test substance Basic blue 99 was estimated to be log Kow = -0.88. 

In a opinion given by Scientific Committee on Consumer Safety for Basic blue 99 (2011), a study report by COLIPA mentioned that Partition coefficient of Basic Brown 16 by EU Method A.8 was found to be log Kow = 1.88.

On the basis of above available data, Partition coefficient of Basic blue 99 (CAS no 68123 -13 -7) were log Kow = -0.88.