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Physical & Chemical properties

Partition coefficient

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Administrative data

Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
OECD 107

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2019
Report Date:
2019

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
Type of method:
shake-flask method to: flask method
Partition coefficient type:
octanol-water

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Analytical method:
photometric method

Results and discussion

Partition coefficient
Key result
Type:
log Pow
Partition coefficient:
-2.39
Temp.:
23 °C
pH:
ca. 3.2
Remarks on result:
other: mean of 6 measurements

Any other information on results incl. tables

Table 1: Results

no.

stock solution [mL]

n-octanol [mL]

conc. in n-octanol phase [mg/L]

conc. in water phase [mg/L]

log pow

A1

5

10

3.7

1023.4

- 2.44

A2

5

10

3.9

1022.0

- 2.42

B1

10

10

3.8

1044.4

- 2.44

B2

10

10

4.8

1035.1

- 2.34

C1

20

10

4.6

1048.3

- 2.36

C2

20

10

5.0

1058.0

- 2.32

mean

-

-

-

-

- 2.39

Stock solution: 986 mg/L

The recovery rate of the test substance was between 104 % and 108 %.

Applicant's summary and conclusion