Registration Dossier
Registration Dossier
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EC number: 694-898-7 | CAS number: 23121-00-8
Partition coefficient
Administrative data
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 07 Jan 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 016
- Report date:
- 2016
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.8 (Partition Coefficient - HPLC Method)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
- Version / remarks:
- adopted in 2004
- GLP compliance:
- no
- Type of method:
- HPLC method
- Partition coefficient type:
- octanol-water
Test material
- Reference substance name:
- 4-(2-phenylpropan-2-yl)phenyl 4-oxo-3-(λ⁵-diazynylidene)-3,4-dihydronaphthalene-1-sulfonate
- Cas Number:
- 23121-00-8
- Molecular formula:
- C25H20N2O4S
- IUPAC Name:
- 4-(2-phenylpropan-2-yl)phenyl 4-oxo-3-(λ⁵-diazynylidene)-3,4-dihydronaphthalene-1-sulfonate
- Test material form:
- solid
Constituent 1
- Specific details on test material used for the study:
- Storage conditions: Ambient temperature (10 to 30 °C), protected from light
Study design
- Analytical method:
- high-performance liquid chromatography
Results and discussion
Partition coefficient
- Type:
- log Pow
- Partition coefficient:
- 5.2
- Temp.:
- 25 °C
- Remarks on result:
- other: mobile phase pH = 6.1 at 23 °C
Any other information on results incl. tables
Results
Dead time: t0= 1.05 min
Table1 – log POWof test item, 1st injection
tR[min] |
k |
log k |
log POW |
10.58 |
9.11 |
0.96 |
5.2 |
Table 2 – log POWof test item, 2nd injection
tR[min] |
k |
log k |
log POW |
10.57 |
9.11 |
0.96 |
5.2 |
Conclusion: The partition coefficient of the test item was
found to be equal to 5.2
Applicant's summary and conclusion
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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