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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Description of key information

The substance has very low bioaccumulation potential (predicted log BCF ≤0.5). The bioaccumulation potential of representative components of the UVCB substance was evaluated using three quantitative structure activity relationship (QSAR) models: EPI Suite BCFBAF, OASIS Catalogic and VEGA CAESAR. Model predicted BCF values range from 0.09 to 3.16 (or logBCF values range from -1.02 to 0.50) for those three representative components. The logPow values for potential biodegradation products predicted using QSAR models were all ≤3 indicating that potential degradants also have low bioaccumulation potential. Considering that the substance has low log Pow (log Pow ≤3) and has very low predicted bioaccumulation potential (predicted log BCF ≤0.5), a laboratory bioaccumulation study is waived.

Key value for chemical safety assessment

BCF (aquatic species):
3.16 L/kg ww

Additional information

In accordance with Column 2 of REACH Annex IX, the study does not need to be conducted as the substance can be expected to have a low potential for bioaccumulation (log Pow ≤3)