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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Physical & Chemical properties

Partition coefficient

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Administrative data

Link to relevant study record(s)

Description of key information

The partition coefficient at 20 °C was determined to be -0.39 at pH 4, -3.96 at pH 7 and -3.97 at ph 10.

Key value for chemical safety assessment

Log Kow (Log Pow):
at the temperature of:
20 °C

Additional information

In the key study (BASF SE, 2001), the partition coefficient was determined at 20 °C by shake flask method according to OECD guideline 103 and EU method A.8. The partition coefficient is depending on pH-values. The log Pow was determined as -0.39 at buffer pH 4, -3.96 at buffer pH 7 and -3.97 at buffer pH10.

In a further study, the average octanol/water partition coefficient is reported as 1.3 at 22 °C according to EPA guidelines section 63-11.