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Environmental fate & pathways

Adsorption / desorption

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Description of key information

Log Koc: 1.464, 4.818 and 9.489 (MCI method)

Key value for chemical safety assessment

Additional information

No experimental studies investigating the adsorption/desorption potential Dodecanoic acid, ester with 1,2,3-propanetriol (CAS 37318-95-9) are available. Therefore, the log Koc was calculated for the three main components of the test substance using KOCWIN v2.00 based on the Molecular Connectivity Index (MCI). Two of the three calculations for the main components are not fully compliant with the applicability domain of the model. However, this calculation is used in a weight of evidence approach, in accordance to the REACh Regulation (EC) No 1907/2006, Annex XI General rules for adaptation of the standard testing regime set out in Annexes VII to X, 1.2. It is adequately documented and justified: the prediction is evaluated on the basis of the model performance on similar substances. Estimations based on the MCI method resulted in a log Koc value of 1.464, 4.818 and 9.489. The model indicates a moderate to high potential for adsorption of Dodecanoic acid, ester with 1,2,3-propanetriol.