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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 are available for fatty acids, C16-18 even numbered and C18-unsatd. triesters with propylidynetrimethanol (CAS 57675-44-2). Using KOCWIN v2.00 with SMILES notation, log Koc values of 11.57 - 14.47 (estimate with MCI method) was calculated, indicating a high adsorption potential of the test substance. This result is supported by a read-across study 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). Thus, in conclusion the substance has a high potential for adsorption.