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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:
From 2017-10-23 to 2017-11-06
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
Deviations:
no
GLP compliance:
no
Type of method:
flask method
Partition coefficient type:
octanol-water
Analytical method:
high-performance liquid chromatography
Key result
Type:
Pow
Partition coefficient:
0.56
Temp.:
25 °C
pH:
6.5
Remarks on result:
other: Calculated from the six results
Details on results:
The partition coefficient (n-octanol/water) Pow of test item at 25°C was 0.56, logPow was -0.25. The range of six results was 0.06 lg units.

 The Partition Coefficient (n-octanol/water) Results of test item

Stage groups

Replicates

Concentration of test item in saturated n-octanol(mg/L)

Concentration of test item in saturated water

(mg/L)

Partition coefficient

(Pow)

logPow

Stage 1 (1:1)

1

1149.4

1987.29

0.58

-0.24

2

1153.0

2013.07

0.57

-0.24

Stage 2 (2:1)

1

879.8

1647.95

0.53

-0.28

2

872.7

1669.76

0.52

-0.28

Stage 3 (1:2)

1

1262.4

2115.36

0.60

-0.22

2

1271.6

2201.44

0.58

-0.24

Average

0.56

-0.25

Range of logPowwas 0.06 lg unit (n=6).

Conclusions:
The partition coefficient (n-octanol/water) Pow of test item at 25°C was 0.56, logPow was -0.25.
Executive summary:

The Partition Coefficient (n-octanol/water) of test item was determined compatible with the Principles of OECD Guidelines for Testing of Chemicals No. 107 'Partition Coefficient (n-octanol/water): Shake Flask Method'. Based on the test results, the Powof test item at 25 °C was 0.56, logPowwas -0.25.

Description of key information

The partition coefficient (n-octanol/water) Pow of test item at 25°C was 0.56, logPow was -0.25.

Key value for chemical safety assessment

Log Kow (Log Pow):
-0.25
at the temperature of:
25 °C

Additional information