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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Environmental fate & pathways

Adsorption / desorption

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Administrative data

Link to relevant study record(s)

Description of key information

log Koc > 5 (KOCWIN v2.00)

Key value for chemical safety assessment

Additional information

No studies are available for Fatty acids, tall-oil, Bu esters (CAS 67762-63-4) on adsorption/desorption. Using KOCWIN v2.00, log koc values of 6.11 (estimate from log Kow) and 5.46 (MCI method) were calculated, indicating a high adsorption potential of the test substance. This result is supported by a read-across to Fatty acids, C16-C18 and C18 unsatd., branched and linear, Bu esters (CAS: 163961-32-8), where a log Koc >5.63 was established in a guideline study according to EU Method C.19 under GLP conditions (White and Mullee 2003).