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Data for the acute aquatic toxicity of the substance is available for two trophic levels, i.e. for aquatic invertebrates and for unicellular freshwater algae. Although the acute aquatic effect concentrations for toxicity are in the same order of magnitude, the EC50 (48 h) of 1.34 mg/L (geometric mean measured) for aquatic invertebrates is slightly lower than the ErC50 (72 h) for algae. One chronic effect concentration is available for the toxicity to freshwater algae, which resulted in an ErC10 (72 h) of1.01 mg/L (geometric mean measured).