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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Description of key information

Low potential for bioaccumulation based on low log Kow (<3) of the parent substance and its hydrolysis products.

Key value for chemical safety assessment

Additional information

Dimethoxymethylsilane hydrolyses in contact with water to the corresponding methylsilanediol and then methylsilanetriol and methanol, which have low log Kow values (<3) and thus have low potential for bioaccumulation. Therefore, in accordance with Column 2 of REACH Annex IX, the bioaccumulation screening test does not need to be conducted for the silanol hydrolysis products.