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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Key value for chemical safety assessment

BCF (aquatic species):
13 L/kg ww

Additional information

In the frame of laboratory studies, DTDMAC was demonstrated to be non bioaccumulative with whole body BCF of 32 (well water) and 13 (river water). The ecological effects of the substance are strongly dependent on the test medium, differences are caused by adsorption onto suspended matter and complexation with anionics. Therefore, the relevant ecotoxicity values are derived from tests in river water. Therefore DTDMAC is considered to be non bioaccumulative and the same conclusion applies to N-benzyl-N-C16-18 (even numbered) -alkyl-N-methyl-C16-18 (even numbered) -alkyl-1-aminium chloride.