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Short-term toxicity to aquatic invertebrates

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Description of key information

The 48-h EC50 value is >100 mg/L in aquatic invertebrates (Daphnia magna).

Key value for chemical safety assessment

Additional information

The short-term toxicity of the test substance to aquatic invertebrates (Daphnia magna) was determined in a study equivalent to OECD Guideline 202 (BASF, 2013). In this key study, groups of 30 daphnids (3 replicates of 10 animals) were exposed to nominal test substance concentrations of 1, 10 and 100 mg/L and a control for 48 hours under static conditions and signs of immobilisation were recorded. No immobilisation was observed at any of the concentrations tested. The 48-h EC50 value was determined at >100 mg/L. A supporting limit study (Eastman, 1998) revealed no immobilisation of daphnids in the test concentration (nominal 120 mg/L, measured 94.04mg/L), thus the EC50 > 94.04 mg/L.