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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

With high probability acutely not toxic to aquatic algae.

Key value for chemical safety assessment

Additional information

In a study according to directive 92/69/EWG, C.3 EEC the toxicity of the substance to Scenedesmus subspicatus was tested. A concentration of 2 mg/l was solved in the test medium by using a solubiliser. The observed EC50 after 72 hours of exposure was > 2 mg/l based on the algal growth rate. A comparable result was obtained by a second test on Scenedesmus subspicatus. The algae were exposed for 72 h to substance concentrations ranging from 0.1 mg/l to 10 mg/l, considering the algal growth rate an EC50 > 10 mg/l was determined.