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Physical & Chemical properties

Partition coefficient

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Reference
Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
11 Apr 2016 to 13 Apr 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
GLP compliance:
yes (incl. QA statement)
Remarks:
Swiss Federal Office for the Environment (FOEN)
Type of method:
HPLC method
Partition coefficient type:
octanol-water
Key result
Type:
log Pow
Partition coefficient:
>= 2.64 - <= 3.17
Temp.:
25 °C
Remarks on result:
other: pH is not provided in the study report

Results

Under the chosen isocratic HPLC conditions the test item constituents showed up with three peaks, thereof the first two peaks eluting closely together.

The log Pow-values of the three peaks of the test item were found to be 2.64, 2.68 and 3.17.

Conclusions:
During this study, the partition coefficient (n-octanol/water) of the substance was determined using the HPLC method according to OECD 117. The test item constituents showed up as three peaks, with log Pow-values of 2.64, 2.68 and 3.17.
The log Pow of three constituents ranged from of 2.64 to 3.17 (range of 3 peaks) at 25°C.

Description of key information

log Pow = 2.64 to 3.17 (range of 3 peaks) at 25 °C (OECD 117)

Key value for chemical safety assessment

Log Kow (Log Pow):
3.17
at the temperature of:
25 °C

Additional information

The partition coefficient (n-octanol/water) of the substance was determined using the HPLC method according to OECD 117. The test item constituents showed up as three peaks, with log Pow-values of 2.64, 2.68 and 3.17. The log Pow of three constituents ranged from of 2.64 to 3.17 (range of 3 peaks) at 25°C.