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Environmental fate & pathways

Adsorption / desorption

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Description of key information

Adsorption/desorption: Low potential for adsorption.

Key value for chemical safety assessment

Additional information

There is low potential for adsorption based on low log Kow values (<3), thus the requirement for testing is waived.

For environmental exposure assessment, adsorption is predicted for propylsilanetriol using the‘non-hydrophobics’ log Kow-based prediction method for log Koc (Sabljic et al., 1995).

The relevant equation is:

Log Koc = 0.52 log Kow + 1.02

Therefore, log Koc for propylsilanetriol = 0.3.

Reference:

Sabljic, A, Güsten H, Verhaar H, Hermens J (1995) QSAR modelling of soil sorption. Improvements and systematics of log KOC vs. log KOW correlations. Chemosphere Volume 31, Issues 11–12, December 1995, Pages 4489–4514.