Registration Dossier
Registration Dossier
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EC number: 228-567-1 | CAS number: 6297-03-6
Adsorption / desorption
Administrative data
Link to relevant study record(s)
Description of key information
The adsorption potential of the substance is high.
Key value for chemical safety assessment
Additional information
According to Annex XI, 2. Testing is technically not possible, of Regulation (EC) No. 1907/2006, testing the adsorption/ desorption coefficient is omitted as the test substance is insoluble in water and shows only poor solubility in organic solvents. When a solution of the test substance toluene gets contact with an aqueous phase, the test substance will immediately precipitate. Thus, as a cyanopropyl solid phase and an eluent consisting of methanol and water should be used to conduct the OECD test (121), performance of the test procedure is technically not feasible.
However, one study investigating the adsorption coeficient of Dioctyl ether (CAS No. 629-82-3) is available. The study was performed according to GLP and OECD guideline 121 (Henkel, 2010). The log KOC was determined to be > 4.1 indicating that the adsorption potential is high. The log KOC of Dioctadecyl ether is expected to be higher, because of the longer carbon chains. Thus, it can be assumed that the adsorption potential of Dioctadecyl ether is also high.
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