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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Description of key information

EC50(48h) = 6.9 mg/L, Daphnia magna, OECD 202, Tobler 2015

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
6.9 mg/L

Additional information

Tobler (2015) conducted a stuy following recent guidelines and under GLP. Daphnia magna were exposed to the test substance for 48 hours in static fresh water at 21 -22 °C and pH 7.8 -7.9. The substance has a low solubility, however the test media were clear solutions throughout the entire test duration. Mortality in controls was < 10 % and dissolved oxygen levels at end of test were ≥ 3 mg/L in the control and test vessels, therefore the validity criteria were fulfilled. The 48-hour EC50 was calculated to be 6.9 mg/L with 95% confidence limits of 5.7 and 8.2 mg/L. The value is selected to be carried forward for risk assessment, classification and labelling. The study is considered complete, adequate and reliable for the purpose of risk assessment and classification.

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