Registration Dossier
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EC number: 410-190-0 | CAS number: 132983-41-6 MCP 968
Partition coefficient
Administrative data
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Reliability rating was 1 because study followed OECD 117 partition coefficient (HPLC) test guideline and was carried out under GLP. The study was well-documented.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- HPLC method
- Partition coefficient type:
- octanol-water
Test material
- Reference substance name:
- MCP 2484
- IUPAC Name:
- MCP 2484
- Reference substance name:
- A mixture of isomers of: mono-(2-tetradecyl)naphthalenes; di-(2-tetradecyl)naphthalenes; tri-(2-tetradecyl)naphthalenes
- EC Number:
- 410-190-0
- EC Name:
- A mixture of isomers of: mono-(2-tetradecyl)naphthalenes; di-(2-tetradecyl)naphthalenes; tri-(2-tetradecyl)naphthalenes
- Cas Number:
- 132983-41-6
- Molecular formula:
- Can vary from C24H36 (mono rxn product) to C52H92 (tri rxn product)
- IUPAC Name:
- 2,3,6-tritetradecylnaphthalene; 2,3-ditetradecylnaphthalene; 2-tetradecylnaphthalene
- Details on test material:
- - Name of test material (as cited in study report): MCP 2484
- Physical state: liquid, amber color
- Analytical purity: 100%
Constituent 1
Constituent 2
Study design
- Analytical method:
- high-performance liquid chromatography
Results and discussion
Partition coefficient
- Type:
- log Pow
- Partition coefficient:
- > 10
- Temp.:
- 25 °C
- pH:
- 7
- Remarks on result:
- other: HPLC method
- Details on results:
- Based on the calibration curve of the HPLC reference standards and the capacity factors for reference and test substances, it was extrapolated that the test substance has an experimentally determined log Kow >10 . Capacity factor k for the test substance was greater than that of didecyl phthlate.
Any other information on results incl. tables
see above results
Applicant's summary and conclusion
- Conclusions:
- The octanol water partition cofficient (Kow) was experimentally determined using the OECD 117 partition coefficient HPLC test method. The test substance had an experimentally determined log Kow > 10.
- Executive summary:
The octanol water partition cofficient (Kow) was experimentally determined using the OECD 117 partition coefficient HPLC test method. The test substance had an experimentally determined log Kow > 10. This indicates that the test substance is highly lipophilic. The high log Kow >10 finding is consistent with the chemical structure, high MW and physico-chemical properties for the test substance.
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