Registration Dossier
Registration Dossier
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EC number: 914-468-7 | CAS number: -
Partition coefficient
Administrative data
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 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 Montan wax
- EC Number:
- 914-468-7
- Molecular formula:
- R-CH2-COOH mainly
- IUPAC Name:
- Reaction mass of Fatty acids, montan-wax and Montan wax
- Details on test material:
- - Name of test material: Licowax S Flakes
- Appearance: Yellow-beige coarse powder
Constituent 1
Results and discussion
Partition coefficientopen allclose all
- Type:
- Pow
- Partition coefficient:
- ca. 14.1
- Temp.:
- 20 °C
- pH:
- ca. 7
- Type:
- log Pow
- Partition coefficient:
- ca. 1.2
- 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 |
247 |
2 |
72 |
124 |
mean |
--- |
186 |
Water solubility:
Flask No. |
Equilibration time at |
Content of test |
1 2 |
72 |
18 8 |
mean |
--- |
13 |
Log Pow range:
Log (124/18) |
= |
0.8 |
Log (247/18) |
= |
1.1 |
Log (124/ 8) |
= |
1.2 |
Log (247/ 8) |
= |
1.5 |
Mean Log Pow= 1.2
Applicant's summary and conclusion
- Conclusions:
- The test substance has a log Pow of 1.2
- Executive summary:
The log Pow of the test substance was calculated from the equilibrium concentrations in octanol and in water. The log Pow is 1.2.
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