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Environmental fate & pathways

Adsorption / desorption

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Description of key information

Adsorption/desorption:
Log Koc: 5.7 - 6.8 (WIL Research, 2014)
Log Koc: 6.3853 to 10.4892 (ASI, 2012)

Key value for chemical safety assessment

Koc at 20 °C:
449 439

Other adsorption coefficients

Type:
other: Log Koc
Value in L/kg:
6.8
at the temperature of:
20 °C

Additional information

Based upon the results of the analysis of the aqueous samples of the 24 hours samples taken in the adsorption kinetics experiment, the logaritm of the adsorption coefficient Kd (LogKd) in the various soils ranged from 3.9 - 5.0 and normalised for organic carbon (log Koc) it ranged from 5.7 - 6.8. Using USEPA KOCWIN v. 2.0, the calculated Log Koc for Bemotrizinol was between 6.4 to 10.5. These results indicate that Bemotrizinol will bind very strongly to the organic portion of soils and sediments.

[LogKoc: 5.7]