Registration Dossier
Registration Dossier
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EC number: 914-475-5 | CAS number: -
Partition coefficient
Administrative data
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2008/2009
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Valid method
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
- Report date:
- 2009
Materials and methods
- Principles of method if other than guideline:
- Determination of solubility in octanol and in water and calculation of log Pow
- Type of method:
- other: Calculation from solubilities
- Partition coefficient type:
- octanol-water
Test material
- Reference substance name:
- Reaction mass of Fatty acids, montan-wax and Fatty acids, montan-wax, ethylene esters and Montan wax
- EC Number:
- 914-475-5
- Molecular formula:
- R-CH2-COOR1OOC-CH2-R mainly
- IUPAC Name:
- Reaction mass of Fatty acids, montan-wax and Fatty acids, montan-wax, ethylene esters and Montan wax
- Details on test material:
- - Name of test material: Licowax E Powder
- Appearance: pale beige powder
Constituent 1
Results and discussion
Partition coefficientopen allclose all
- Type:
- Pow
- Partition coefficient:
- ca. 7.15
- Temp.:
- 20 °C
- pH:
- ca. 7
- Type:
- log Pow
- Partition coefficient:
- ca. 0.9
- Temp.:
- 20 °C
- pH:
- ca. 7
- Details on results:
- Pow and log Pow were calculated from equilibrium concentrations in octanol and in water (see below)
Any other information on results incl. tables
n-Octanol solubility:
Flask No. |
Equilibration time at 20 °C [h] |
Content of test substance [mg/L] |
1 |
72 |
87 |
2 |
72 |
99 |
mean |
--- |
93 |
Water solubility:
Flask No. |
Equilibration time at |
Content of test |
1 2 |
72 |
11 15 |
mean |
--- |
13 |
Log Pow range:
Log (87/15) |
= |
0.8 |
Log (99/15) |
= |
0.8 |
Log (87/11) |
= |
0.9 |
Log (99/11) |
= |
1.0 |
Mean Log Pow= 0.9
Applicant's summary and conclusion
- Conclusions:
- The test substance has a log Pow of 0.9
- Executive summary:
The log Pow of the test substance was calculated from the equilibrium concentrations in octanol and in water. The log Pow is 0.9
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