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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 BCF of EEA-NH4 is 5.8 in Japanese carp.

Key value for chemical safety assessment

BCF (aquatic species):
5.8 dimensionless

Additional information

A GLP-compliant OECD guideline 305 study is available (Kurume Laboratory, 2006a). Bioaccumulation of EEA-NH4 in Japanese carp (Cyprinus carpio) was tested at 2 and 20 μg/L under flow-through conditions (nominal concentrations). The BCFs of EEA-NH4 were not more than 5.8 at 2 μg/L and 0.59 at 20 μg/L. The BCFss was not calculated as the test concentrations in all test fish were below the detection limit of the substance. Because the BCFs were below 100 it was assumed that steady state was reached within 28 days.