Registration Dossier
Registration Dossier
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EC number: 944-710-7 | CAS number: -
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:
- 2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- OECD107
- 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
- Specific details on test material used for the study:
- Purity: 93,7 % (w/w)
- Analytical method:
- liquid chromatography
- Type:
- log Pow
- Partition coefficient:
- -4.5
- Temp.:
- 23 °C
- pH:
- ca. 8.6
- Details on results:
- A saturated stock solution of the test substance in n-octanol saturated water was prepared.
To 5 ml, 10 ml and 20 ml of the filtered stock solution 10 ml of water saturated n-octanol were added. The two-phase system was shaken vigorously at room temperature (23 °C) for one hour. Subsequently the phases were separated by centrifugation for 20 min at 1450 rpm and the test substance concentration in each phase was determined by HPLC.
Stock solution: 1000 mg/l = 630 mg/l active substance. - Conclusions:
- The test substance has a log Pow of -4.5 at 23°C.
- Executive summary:
The log Pow of the test substance was determined according OECD107. The log Pow at 23 °C is -4.5.
Reference
Description of key information
OECD107
Key value for chemical safety assessment
- Log Kow (Log Pow):
- -4.5
- at the temperature of:
- 23 °C
Additional information
pH=8.6
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