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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Two studies conducted to EEC method A8 have yielded slightly different estimated values for log10 Pow.

Key value for chemical safety assessment

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

Additional information

An experimentally determined value from an EEC A8 method that gave good correlation between determined and published values for a reference substance is selected as the Key study value, i.e. log Pow = 0.16. The supporting study used an HPLC capacity method comparing test substance with a range of reference substances and derived an estimate by linear regression. This gave a relatively high value of log Pow1.2 (10-fold higher Pow).

The supporting study report records a KOWWIN estimate using an earlier version (v1.35a). This value of 0.15 is very close to the Key Study experimental value.