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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:
2017
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation
Qualifier:
according to guideline
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
GLP compliance:
no
Type of method:
HPLC method
Partition coefficient type:
octanol-water
Specific details on test material used for the study:
Lot number SJS060217
Analytical method:
high-performance liquid chromatography
Key result
Type:
log Pow
Partition coefficient:
3.92
Temp.:
40 °C
pH:
5.4

Results and discussion

 

Final value for log Pow

3.92

Pow values and their mean

8.23E+3

Standard deviations of individual Pow values

0

Theoretical value when it has been calculated

N/A

Temperature of the test solutions

40°C

pH value(s) of the aqueous solution(s)

5.4

composition and concentration of buffers

None Used

Concentration of the stock solution

1023 mg/L

If testing is waived, the reason for waiving must be documented in the dossier

N/A

 

Pentanedioic Acid, Bis [2-[2-(2-Butoxyethoxy)Ethoxy]Ethyl] Ester Pow Calculation:

 

 

 

 

Run Number

Concentration (mg/L)

Retention Time

Capacity Factor (k)

DBEEEG log10 k

DBEEEG log10 Pow

1

1223

7.208

3.355

0.526

3.90

2

1223

7.369

3.453

0.538

3.94

 

DBEEEG log10 Pow Average =

 

3.92

DBEEEG Pow Average =

 

8.32E+03

 

Conclusions:
The average value of the LogPow of the test substance was 3.92.

Description of key information

According to OECD Guideline 117 (HPLC Method), the value for the LogPow of the test substance was 3.92.

Key value for chemical safety assessment

Log Kow (Log Pow):
3.92
at the temperature of:
40 °C

Additional information