Registration Dossier
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EC number: 628-448-8 | CAS number: 34451-26-8
Partition coefficient
Administrative data
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 07 April 2015 - 29 May 2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP-compliant study in accordance with EC A.8.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 015
- Report date:
- 2015
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.8 (Partition Coefficient)
- Version / remarks:
- (2008)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
- Version / remarks:
- (2004)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7570 (Partition Coefficient, n-octanol / H2O, Estimation by Liquid Chromatography)
- Version / remarks:
- (1996)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- HPLC method
- Partition coefficient type:
- octanol-water
Test material
- Reference substance name:
- 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctane-1-thiol
- EC Number:
- 628-448-8
- Cas Number:
- 34451-26-8
- Molecular formula:
- C8H5F13S
- IUPAC Name:
- 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctane-1-thiol
- Details on test material:
- - Name (as cited in study report): NS-1000
- Appearance: Clear colourless liquid
Constituent 1
Results and discussion
Partition coefficient
- Type:
- log Pow
- Partition coefficient:
- 5.3
- pH:
- 7
- Remarks on result:
- other: Pow = 1.8 E05
- Details on results:
- In the chromatogram of the test substance solution, one peak with a retention time of 5.0 minutes was observed. No substance related peak was observed in the chromatogram of the test substance blank.
Any other information on results incl. tables
Table: Results HPLC method for partition coefficient n-octanol-water:
Substance |
tr,1 [min.] |
tr,2 [min.] |
Mean tr [min.] |
Log Pow |
Pow |
Formamide (t0) |
0.674 |
0.676 |
0.675 |
|
|
1,4-Dichlorobenzene |
1.845 |
1.839 |
|
3.4 |
|
Biphenyl |
2.442 |
2.436 |
4.0 |
||
1,2,4-Trichlorobenzene |
2.805 |
2.798 |
4.2 |
||
Dibenzyl |
3.964 |
3.957 |
4.8 |
||
Triphenylamine |
7.173 |
7.167 |
5.7 |
||
4,4’-DDT |
10.088 |
10.082 |
6.5 |
||
Test substance |
5.010 |
5.006 |
5.008 |
5.3 |
1.8 x 105 |
Applicant's summary and conclusion
- Conclusions:
- In a GLP-compliant study in accordance with EC A.8, OECD 117 and EPA OPPTS 830.7570 using the HPLC method, the log Pow of the substance has been determined as 5.3.
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