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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 measured Log Pow of the 5 aromatic sulphonic acids is less than 1.0. It ranges from -0.96 to 0.41 and indicates a low partitioning potential from water.

Key value for chemical safety assessment

Log Kow (Log Pow):
-0.41
at the temperature of:
25 °C

Additional information

Measured using the HPLC Method. The higher value has been taken into account for Chemical Safety Assessment.