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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

Two standard algae study are available that confirm that the substance is not toxic to freshwater algae up to its solubility limit. Both the EC50 and the NOEC are above the solubility limit in the medium. 

Key value for chemical safety assessment

Additional information

Two standard guideline algae studies are available. An older study was only conducted with oversaturated nominal concentrations of 1000 mg/l, while the recent study confirmed the test concentrations analytically and applied test concentrations at the solubility limit. No effects on algae growth were observed at the maximum achievable concentration and it can be concluded that the substance did not have acute or chronic effects in the test system up to its solubility limit.