Registration Dossier
Registration Dossier
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EC number: 700-327-5 | CAS number: 1061328-86-6
Partition coefficient
Administrative data
Link to relevant study record(s)
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: non-GLP guideline study, but test procedure well documented
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- shake-flask method to: flask method
- Partition coefficient type:
- octanol-water
- Analytical method:
- other: none
- Type:
- log Pow
- Partition coefficient:
- -1.96
- Temp.:
- 25 °C
- Remarks on result:
- other: no information on pH available
- Details on results:
- Calibration curves were prepared for the three different wavelengths (205; 232; 275 nm) because of the fact that for 205 nm the method is more sensitive than for 232 and 275 nm this correlation coefficient is preferred. The average partition coefficient of FeHBED was measured at -1.96 value with standard deviation of 0.12, which is an acceptable value according the validation criteria of the OECD Guideline.
Determination of FeHBED concentration in n-octanol phase was problematic because of the extremely low solubility. Moreover, in some samples the concentrations were below LOQ (limit of quantitation) of the method and the LogPow cannot be calculated. - Conclusions:
- Log Pow at 25 °C = -1.96
- Executive summary:
The partition coefficient (n-octanol/water) of the test substance was determined in a non-GLP study (2011) according to OECD guideline 107 by using the shake-flask method, the logPow was determined to be -1.96 at 25 °C.
Reference
Description of key information
The partition coefficient (n-octanol/water) of the test substance was determined in
a non-GLP study (2011) according to OECD guideline 107 by using the shake-flask method, the logPow was determined to be -1.96 at 25°C.
Key value for chemical safety assessment
- Log Kow (Log Pow):
- -1
- at the temperature of:
- 25 °C
Additional information
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