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Environmental fate & pathways

Adsorption / desorption

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Description of key information

Key value for chemical safety assessment

Additional information

The substance hydrolyses very rapidly (half-life 4.2 minutes at pH 7 and 22.5°C) with the ultimate hydrolysis product being methylsilanetriol. Methylsilanetriol has a low log Kowvalue (-2.4 at 20°C, predicted value). Therefore, in accordance with Column 2 of REACH Annex VIII, the adsorption/desorption screening test does not need to be conducted, and also there is no need for further information on adsorption/desorption.