Registration Dossier

Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
bioaccumulation in aquatic species: fish
Data waiving:
other justification
Justification for data waiving:
the study does not need to be conducted because the substance has a low potential for bioaccumulation based on log Kow <=3

Description of key information

Key value for chemical safety assessment

Additional information

(Chloromethyl)triethoxysilane (CAS 15267-95-5) hydrolyses in contact with water to the corresponding (chloromethyl)silanetriol, 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 adsorption/desorption screening test does not need to be conducted for the silanol hydrolysis products.