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Environmental fate & pathways

Adsorption / desorption

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Description of key information

log Koc = 4.1-5.5

Key value for chemical safety assessment

Additional information

No experimental data investigating the adsorption potential of Fatty acids, C16-C18, methyl esters (CAS No. 85586-21-6) are available. Since the substance is a complex UVCB substance, QSAR estimations using the KOCWIN v2.00 program (EPISuiteTM) have been calculated for representative fatty acid components (C16 and C18). Log Koc values range from 4.1 (MCI method) to 4.9 (log Kow method) for the C16 component and 4.7 (MCI method) to 5.5 (log Kow method) for the C18 component (Lopez Parron, 2011). These values indicate that Fatty acids, C16-C18, methyl esters (CAS No. 85586-21-6) is expected to show potential for adsorption to organic soil and sediment particles.