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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 determination was carried out using the HPLC method, designed to be compatible with Method A8 Partition Coefficient of Commission Regulation (EC) N° 440/2008 of 30 May 2008 and Method 117 of the OECD Guidelines for Testing of Chemicals, 13 April 2004. The test system consisted of a high performance liquid chromatograph (HPLC) with suitable detectors. A reverse phase HPLC column with a very low percentage of polar groups was used (e.g. C8, C18). The mobile phase contained at least 25% aqueous phase. 
The partition coefficient of the test item has been determined to be greater than 1.59 x 107, log10 Pow, greater than 7.20.

Key value for chemical safety assessment

Log Kow (Log Pow):
7.2
at the temperature of:
30 °C

Additional information

The measured Log10 Pow ( greater than 7.20), compared with the Log10 Pow calculated using KOWWIN (7.49)