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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 direct and indirect exposure of the aquatic compartment is unlikely because HDI trimer hydrolyses completely in water within less than 12 hours. Therefore calculated BCF-values were reported for the main constituent Isocyanurate (n=3). A bioconcentration factor (BCF) of 141 and 88.7 L/kg wet-wt for the main constituent of HDI Trimer (HDI Isocyanurate, n = 3) and its corresponding triamine were obtained (Currenta, 2014e/2014f). Even the corresponding triamine of main constituent  with a bioconcentration factor of 88.7 L/kg wet-wt does not have high bioaccumulation potential (Currenta, 2014f).

Key value for chemical safety assessment

BCF (aquatic species):
141 L/kg ww

Additional information