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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Partition coefficient

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Administrative data

Link to relevant study record(s)

Description of key information

The partition coefficient was determined experimentally, resulting in log Kow  values of 2.7 and 3.7 at pH values of 5 and 8, respectively. In addition, the partition coefficient was calculated with a QSAR approach, which is well documented, gives excellent results in the training and validation datasets and consists of a well defined algorithm. 44PD (CAS nr 101-96-2) falls well within the applicability range of the model and has a log Kow of 3.50. 

Key value for chemical safety assessment

Log Kow (Log Pow):
at the temperature of:
25 °C

Additional information