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Physical & Chemical properties

Partition coefficient

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Description of key information

The partition coefficient of the test item has been determined to be >2.51E09, Log Pow > 9.4. By extrapolation of the calibration curve using the mean retention time of 85.174 minutes, the log Pow is > 11.7. 

Key value for chemical safety assessment

Log Kow (Log Pow):
8
at the temperature of:
40 °C

Additional information

In a key study performed to OECD Guideline No. 117 and EC Method A8, HPLC method, the result for the test item:

 

(1) by taking as a limit value based on the next highest reference standard (because the highest reference standard had a high error attached to the recorded Log Pow value of 10.2): the partition coefficient of the test item has been determined to be >2.51E09, Log Pow > 9.4.

 

(2) by extrapolation of the calibration curve using the mean retention time of 85.174 minutes: the log Pow is > 11.7. This result is a greater than value because the test item was eluted using a gradient, retention would have been longer under just isocratic conditions.

 

The Kow value for the test material is outside the range of Log Kow values validated for use in the EUSES software modeling. To ensure the results obtained by the model for the local exposures the maximum Log Kow value of 8 validated within the model was used to determine all environmental exposure concentrations.