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Physical & Chemical properties

Partition coefficient

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
September 2001
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: According to OECD and EEC test methods and to GLP standards.
Qualifier:
according to guideline
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.8 (Partition Coefficient)
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: Rekker Calculation method for preliminary estimation of Partition coeficient.
Deviations:
no
GLP compliance:
yes
Type of method:
HPLC method
Partition coefficient type:
octanol-water
Analytical method:
high-performance liquid chromatography
Type:
log Pow
Partition coefficient:
5.2
Temp.:
24.5 °C
Remarks on result:
other: pH not specified
Details on results:
The results of the Calculation method and the HPLC method are not in agreement. Since the HPLC method is a more accurate method than the Calculation method, the result of the HPLC method is reported as the partition coefficient (n-octanol/water), Pow of Setafix X 11342.

The Pow value for the major component in Setafix X 11342 is 18000 (log Pow= 5.2) at 24.5 ± 0.5°c.
The Pow values for eleven impurities in Setafix X 11342 are <2, 170, 350, 4800, 6100, 11000, 13000, 28000 , 49000, 82000 and 120000 (log Pow values of <0.3, 2.2, 2.5, 3.7, 3.8, 4.0, 4.1, 4.4, 4.7, 4.9 and 5.1) at 24.5 ± 0.5°C.
Conclusions:
The Pow value for the major component in Setafix X 11342 is 18000 (log Pow= 5.2) at 24.5 ± 0.5 °C.
Executive summary:

The Pow value for the major component in Setafix X 11342 is 18000 (log Pow = 5.2) at 24.5 ± 0.5 °C.

Description of key information

The Pow value for the major component in Setafix X 11342 is 18000 (log Pow= 5.2) at 24.5 ± 0.5°C.

Key value for chemical safety assessment

Log Kow (Log Pow):
5.2
at the temperature of:
24.5 °C

Additional information

The results of the Calculation method and the HPLC method are not in agreement. Since the HPLC method is a more accurate method than the Calculation method, the result of the HPLC method is reported as the partition coefficient (n-octanol/water), Pow of Setafix X 11342.