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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 bioconcentration factor BCF of L-threonien (the main component of L-threonine mother liqour) was calculated to be 3.162 L/kg ww.

Key value for chemical safety assessment

BCF (aquatic species):
3.16 L/kg ww

Additional information

L-Threonine mother liqour is a complex mixture containing organic and inorganic components (UVCB-substance). L-Threonine is the main component of L-threonine mother liqour. Therefore the bioconcentration factor of L-threonine was calculated via EPIWIN v4.0, BCFBAF v3.00. The calculation yielded a BCF=3.162 L/kg ww