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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Description of key information

EC50, 48 hours for Daphnia Magna was found to be greater than 100 mg/L.

Key value for chemical safety assessment

EC50/LC50 for freshwater invertebrates:
100 mg/L

Additional information

An acute immobilisation test in Daphnia magna was conducted to assess the effect of the test material on aquatic invertebrates. The study was conducted according to OECD test guideline 202, and in compliance with GLP.

Four replicate vessels each containing five Daphnia were exposed to dilution water containing the test material at a limit nominal concentration of 100 mg/L. Daphnia were observed at 24 hours and 48 hours for immobilisation.

No immobilisation was seen in either the control level or in the test level at either 24 or 48 hours. On this basis the EC50 value for the test material was concluded to be greater than 100 mg/L.