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EC number: 292-222-1 | CAS number: 90583-23-6
Partition coefficient
Administrative data
Link to relevant study record(s)
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 28 Oct 2014 - 3 Apr 2015
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Remarks:
- The method has limitations if applied to certain substances which may include surfactants.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
- GLP compliance:
- no
- Type of method:
- flask method
- Partition coefficient type:
- octanol-water
- Analytical method:
- high-performance liquid chromatography
- Type:
- log Pow
- Partition coefficient:
- 2.187
- Temp.:
- 23.5 °C
- pH:
- >= 7.02 - <= 7.06
Reference
The concentrations of the different test solutions were determined according to the outlined method. The results are listed in the table below; each value represents the mean of a duplicate determination.
Test mixture |
Concentration of test item [mg/g], 1-octanol phase |
Concentration of test item [mg/g], aqueous phase |
Pow |
Log Pow |
1 |
5.549 |
0.1254 |
44.25 |
1.646 |
2 |
5.538 |
0.1146 |
48.32 |
1.684 |
3 |
2.826 |
0.0378 |
74.86 |
1.874 |
4 |
2.889 |
0.0353 |
81.84 |
1.913 |
5 |
1.480 |
0.0044 |
337.1 |
2.528 |
6 |
1.444 |
0.0043 |
335.8 |
2.526 |
Mean Pow = 153.7 what corresponds to log Pow given above.
Description of key information
log Pow = 2.187 at 23.5 °C, pH = 7
Key value for chemical safety assessment
- Log Kow (Log Pow):
- 2.187
- at the temperature of:
- 23.5 °C
Additional information
The partition coefficient of the substance was determined using shake-flask method according to OECD Guideline 107.
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