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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

BCF=71-160.  Mean=104 SD=32.  BCF not concentration sensitive
BCF=154 by QSAR

Key value for chemical safety assessment

BCF (aquatic species):
104 L/kg ww

Additional information

In a guideline (OECD 305C) and GLP study reported by the Japanese government, the bioconcentration factor for ENB in fish (Cyprinus carpio) was reported to be 71 -160 at a water concentration of 0.1 mg/L and 62 -160 at a water concentration of 0.01 mg/L