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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Description of key information

Key value for chemical safety assessment

Additional information

The substance hydrolyses rapidly to methanol and silanetriol. Methanol and silanetriol have low potential for bioaccumulation. Therefore in accordance with Column 2 of REACH Annex IX, there is no need to conduct the bioaccumulation in aquatic species study.

Reliability 4 sources are available, which give predicted BCF values for trimethoxysilane and for silanetriol of 3.16.