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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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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