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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

1.35 at 25 °C

Key value for chemical safety assessment

Log Kow (Log Pow):
1.35
at the temperature of:
25 °C

Additional information

The partition coefficient of 4'-hydroxyacetophenone was reported in two peer reviewed databases to be log Pow = 1.35 at 25 °C. This attribute was supported by an accepted calculation method used EpiWin with a result of log Pow = 1.2 at 25 °C. Thus a partition coefficient of 1 .35 at 25 °C is regarded to be reliable for 4'-hydroxyacetophenone.