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Environmental fate & pathways

Adsorption / desorption

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Description of key information

The estimated log Koc values are 3.58 (E-isomere) and 3.73 (Z-isomere); calculated for 55% E-isomere and 45% Z-isomere: 3.65. 

Key value for chemical safety assessment

Koc at 20 °C:
4 467

Additional information

The adsorption test (Bodsch_2009) performed according to OECD 121 and GLP was rated with RL=1 (reliable without restrictions) and used as key study. The estimated log Koc of SymHelios® 1031 is 3.65 (55% E-isomer; 45% Z-isomere). According to the McCall classification scheme of soil mobility potential SymHelios® 1031 is classified from slight mobile (isomere 1 Koc = 3776) to immobile (isomere 2 Koc = 5342).