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Environmental fate & pathways

Adsorption / desorption

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Description of key information

Low potential for adsorption. Log Koc for silanol hydrolysis product = 1.8 (predicted).

Key value for chemical safety assessment

Additional information

The substance hydrolyses very rapidly to substances which have low log Kowvalues (<3) and thus have low potential for adsorption.

For environmental exposure assessment, adsorption is predicted using the ‘non-hydrophobics’ log Kow-based prediction method for log Kocdeveloped by Sabljić and Güsten (1995) for the European Commission, and recommended in EU Guidance.

The relevant equation is:


Log Koc= 0.52 log Kow+ 1.02


Therefore, log Kocfor silanol hydrolysis product = 1.8.