Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Administrative data

Link to relevant study record(s)

bioaccumulation in aquatic species: fish
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the substance has a low potential to cross biological membranes

Description of key information

According to Column 2 of REACH Annex IX of Regulation (EC) No 1907/2006, a study on bioaccumulation in aquatic species does not need to be conducted if the substance has low potential for bioaccumulation and/or a low potential to cross biological membranes. Hexagonal boron nitride is practically insoluble in water and organic solvents and does not contain intrinsically lipophilic functional groups, which would facilitate uptake across biological surfaces. Therefore bioaccumulation study can be excluded.

Key value for chemical safety assessment

Additional information