Registration Dossier
Registration Dossier
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EC number: 944-860-3 | CAS number: -
Partition coefficient
Administrative data
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
Materials and methods
Test guideline
- 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
Test material
- Reference substance name:
- Amaryllidaceae, Allium Cepa L. (fresh bulb), Rutaceae, Citrus Limon (L.) Burm. F. (fresh pulp), extract, sodium chloride
- EC Number:
- 944-860-3
- IUPAC Name:
- Amaryllidaceae, Allium Cepa L. (fresh bulb), Rutaceae, Citrus Limon (L.) Burm. F. (fresh pulp), extract, sodium chloride
- Test material form:
- solid
Constituent 1
Study design
- Analytical method:
- high-performance liquid chromatography
Results and discussion
Partition coefficientopen allclose all
- Key result
- Type:
- log Pow
- Partition coefficient:
- < 0.3
- Temp.:
- 25 °C
- Remarks on result:
- other: UVCB substance: peaks 1, 2 and 3 has logPow <0.3
- Key result
- Type:
- log Pow
- Partition coefficient:
- ca. 0.715
- Temp.:
- 25 °C
- Remarks on result:
- other: UVCB substance: peak 4 has logPow ca. 0.715
Applicant's summary and conclusion
- Executive summary:
The partition coefficient study was performed according to the OECD 117.
The chromatogram of the test substance solution showed 4 peaks.
The first three peaks lie within the dead time of the method and not within the range of log POWs of the reference substances. Therefore, the corresponding logP are stated as < 0.3 for peaks 1, 2, and 3. Using the correlation log k / logP, the logP of peak 4 of the test substance EXTRACT OF ALLIUM CEPA (AMARYLLIDACEAE) BULB AND CITRUS LIMON (RUTACEAE) PULP AND SODIUM CHLORIDE was calculated as 0.715 ± 0.000(mean ± standard deviation),determined at 25 ± 0.5°C and at pH 7, measured with pH paper.
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