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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

In a OECD 107 GLP study the n-Octanol/Water Partition Coefficient (log Pow) of the Test Article was determined to fall in the range of 0.59 to 1.20 at 23°C.

Key value for chemical safety assessment

Log Kow (Log Pow):
at the temperature of:
23 °C

Additional information

The analytical procedure involved the derivitization of zinc dialkyl dithiophosphates (ZDDPs) with pentafluorobenzyl bromide followed by liquid-liquid extraction into hexane and analysis by gas chromatography mass spectrometry (GCMS).