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Ecotoxicological information

Sediment toxicity

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Description of key information

No sediment studies were available for the test substance.

Key value for chemical safety assessment

Additional information

No sediment studies were available for the test substance.

This test substance is water soluble, but has the capacity to bind to sediment potentially via cationic exchange mechanisms. Therefore, the predicted no effect concentration (PNEC) for sediment was derived from the PNEC for freshwater using the equilibrium partitioning method. The measured Koc value of the test material  in soil of 21,380 L/kg (Log Koc = 4.33) was used in the PNECsediment calculation. Using the PNECsediment value that was calculated by the equilibrium partitioning method, the risk characterization shows that the PEC/PNECsediment ratio for the aquatic environment is <1, indicating no need for further information and testing.