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Adsorption / desorption

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Description of key information

The Koc was determined by the QSAR model KOCWIN v2.00 for one exemplary structure of the UVCB (please refer to attached figure). The MCI (molecular connectivity index) and logKow methodology were applied. For the log Kow method the measured logKow of 1.13 was user-entered. A Koc of 3.343E7 L/kg and 13.69 L/kg was obtained with the MCI and the logKow method, respectively.

The Koc of 3.343E7 L/kg derived by the MCI methodology is taken as key value, since the MCI method is more robust.

Key value for chemical safety assessment

Koc at 20 °C:
33 430 000

Additional information

[LogKoc: 7.52]