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Short-term toxicity to aquatic invertebrates

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Description of key information

The 48h EC50 of the test substance to Daphnia magna is 94.9 mg/L.

Key value for chemical safety assessment

EC50/LC50 for freshwater invertebrates:
94.9 mg/L

Additional information

The 48h acute toxicity of the test substance to Daphnia magna was studied under static (without renewal of test medium) conditions. Daphnids were exposed to control and Water Accommodated Fractions of test substance at nominal concentration of 4.27, 9.39, 20.7, 45.5 and 100 mg/L for 48 h. Immobilization and sublethal effects were observed daily. The 48h-EC50 was 94.9 mg/L based on nominal concentrations of test material which is equivalent to 1.36 mgC/L. The 48h-NOEC based on immobilization was 45.5 mg/L based on nominal concentrations of test material.