Registration Dossier
Registration Dossier
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EC number: 203-661-5 | CAS number: 109-28-4
Adsorption / desorption
Administrative data
Link to relevant study record(s)
Description of key information
The geometric mean of the Log Koc value for the three soil Types was calculated to be 5.3.
The arithmetic mean of the Log Koc value for the three soil types was calculated to be 5.3.
Key value for chemical safety assessment
- Koc at 20 °C:
- 206 666.67
Additional information
An adsorption and desorption test with N-[3-(Dimethylamino)propyl]oleamide is not available. Consequently, read-across was applied using a characteristically similar compound, Amides, rape-oil, N-[3-(dimethylamino)propyl]. An adsorption and desorption test for Amides, rape-oil, N-[3-(dimethylamino)propyl] was performed according to adapted OECD guideline for testing of chemicals, No. 106. Known volumes of solutions of the test substance at known concentrations in 0.01 M CaCl2 were added to soil samples and agitated. The amount of test substance adsorbed on the soil was calculated as the difference between the amount of test substance initially present in the solution and the amount remaining at the end of the experiment. A summary of the results is presented below:
Soil type |
Kd 10³ cm³/g |
Koc 105cm³/g |
Log Koc
|
Kdes 105cm³/g |
LUFA 2.2 |
2.5 |
1.2 |
5.1 |
1.0 |
LUFA 6S |
4.5 |
2.7 |
5.4 |
0.7 |
Eurosoil 4 |
3.0 |
2.3 |
5.4 |
3.2 |
The geometric mean of the Log Koc value for the three soil types was calculated to be 5.3.
The arithmetic mean of the Log Koc value for the three soil types was calculated to be 5.3.
[LogKoc: 5.3]
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