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Physical & Chemical properties

Partition coefficient

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Description of key information

Study according to OECD 117.

The partition coefficients (log Pow) of the test items 3 racemic isomers (A, B, C with B as the main isomer present) at 25 °C are:
Isomer A       log Pow= 3.72 (± 0.06);
Isomer B       log Pow= 4.02 (± 0.06);
Isomer C       log Pow= 4.08 (± 0.06)

Key value for chemical safety assessment

Log Kow (Log Pow):
4.08
at the temperature of:
25 °C

Additional information

Key result was taken for the log Pow of the isomer C, which has the highest value (worst-case for classification/PBT assessment) of the 3 racemic isomers.

The most intensive peak in Chromatogram is from Isomer B: Log Pow = 4.02 at 25°C.

Because the substance is hydrolytically unstable in water, Log Pow was estimated via KOWWIN v1.68 (Epi SuiteTM v4.11): 4.42