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Environmental fate & pathways

Adsorption / desorption

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Description of key information

logKoc: > 5 (KOCWIN v2.00)

Key value for chemical safety assessment

Additional information

No experimental studies investigating the adsorption potential of fatty acids, coco, di-and triesters with trimethylolpropane (CAS 85566-29-6) are available. Using KOCWIN v2.00 with SMILES notation, log Koc values of 10.2 - 13.35 (estimate with MCI method) was calculated, indicating a high adsorption potential of the test substance. This result is supported by a suitable read-across with the substance Ester reaction products of fatty acid, C5-10, pentaerythritol and dipentaerythritol, where a log Koc of 4 - 7 was established in a guideline study according to OECD 121 under GLP conditions (Sydney, 2008). Taking all information into account it can be concluded that the potential for adsorption of fatty acids, coco, di-and triesters with trimethylolpropane (CAS 85566-29-6) is high.