Registration Dossier
Registration Dossier
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EC number: 201-660-4 | CAS number: 86-28-2
Partition coefficient
Administrative data
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: According to OECD 107
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 011
- Report date:
- 2011
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
- Type of method:
- shake-flask method to: flask method
- Partition coefficient type:
- octanol-water
Test material
- Reference substance name:
- 9-ethylcarbazole
- EC Number:
- 201-660-4
- EC Name:
- 9-ethylcarbazole
- Cas Number:
- 86-28-2
- Molecular formula:
- C14H13N
- IUPAC Name:
- 9-ethyl-9H-carbazole
Constituent 1
Study design
- Analytical method:
- high-performance liquid chromatography
Results and discussion
Partition coefficient
- Type:
- log Pow
- Partition coefficient:
- 4.47
- Temp.:
- 23 °C
- pH:
- ca. 7
- Remarks on result:
- other: mean
Any other information on results incl. tables
Table 1: Results
no. |
stock solution [ml] |
n-octanol [ml] |
conc. in n-octanol phase [mg/l] |
conc. in water phase [mg/l] |
Log pow |
A1 |
5 |
10 |
1867,2 |
0,05 |
4,53 |
A2 |
5 |
10 |
1858,8 |
0,06 |
4,47 |
B1 |
10 |
10 |
1858,8 |
0,07 |
4,46 |
B2 |
10 |
10 |
1827,9 |
0,07 |
4,43 |
C1 |
20 |
10 |
1827,1 |
0,06 |
4,50 |
C2 |
20 |
10 |
1822,6 |
0,06 |
4,45 |
mean |
- |
- |
- |
- |
4,47 |
Stock solution: 1759 mg/l
Applicant's summary and conclusion
- Executive summary:
The partition coefficient (log pow) of the test substance N-ethylcarbazole was determined according to OECD Guideline 107. Result log pow = 4.47 (mean of 6 measurements).
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