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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

In the key study (CITI, 1992) carried out according to OECD 305C, a bioconcentration factor of <5L/kg was determined for fish.  Therefore 2,4-TDA exhibits a low potential of bioaccumulation.    

Key value for chemical safety assessment

Additional information

Available information on bioaccumulation

Two experimental results are reported for this endpoint. One experimental result quoted by a reliability (3), the other one quoted by a reliability (2).

Bioaccumulation potential

A bioconcentration study was performed in fish (Cyprinus carpio). Under the conditions of the tests, a bioconcentration factor value of <5 L/kg was determined in fish. Therefore TDA exhibits a low potential for bioaccumulation.