Registration Dossier
Registration Dossier
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EC number: 293-391-4 | CAS number: 91079-06-0
Partition coefficient
Administrative data
Link to relevant study record(s)
- Endpoint:
- partition coefficient
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Study period:
- 2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Justification for type of information:
- The analyses have been run on different sulfated oils representative samples. Please, see section 13.2 for further details justifying the read-across approach from these analogues of the substance.
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across: supporting information
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
- GLP compliance:
- not specified
- Type of method:
- flask method
- Partition coefficient type:
- octanol-water
- Specific details on test material used for the study:
- It has been reported the test material correspondent to the analogue substance "Oils, vegetable, sulfated, ammonium salts", considering that animal and vegetable oils are considered very similar, not only for the kind of salification.
Anyway, the final result is provided taken into account also the result on the other analogue of the substance - Oils, lard, sulfated, sodium salts - as this representative test item derive from the same natural oil. - Analytical method:
- photometric method
- Key result
- Type:
- log Pow
- Partition coefficient:
- 1.04
- Temp.:
- 20 °C
- pH:
- ca. 6.4
- Conclusions:
- Log Pow has been determined to be 0.87 for the substance.
- Executive summary:
The Partition coefficient has been evaluated using a method based on OECD TG 107.
Log Pow was determined to be 0.87 for the substance and within the range 0,43-1,20 for the tested representative samples of sulfated oils.
Reference
Other sulfated oils have been tested for this endpoint and the partition coefficient has been found to range from 0.43 to 1.20. See section 13 (Report on similarity) for more details.
Description of key information
Log Pow = 1.04 for the substance.
Log Pow =[0,43;1,20] for sulfated oils representative samples.
Key value for chemical safety assessment
- Log Kow (Log Pow):
- 1.04
- at the temperature of:
- 20 °C
Additional information
The Partition coefficient has been evaluated according to OECD TG 107.
Log Pow was determined to be 1.04 for the substance and within the range 0,43 -1,20 for the other tested representative samples of sulfated oils.
In particular, the following has been found:
- average value: Pow = 0.71
- Oils, vegetable, sulfated, sodium salts (representative): Pow = 0.59
- Oils, lard, sulfated, sodium salts (representative): Pow = 1.20
- Castor oil, sulfated, sodium salt (representative): Pow = 0.54
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