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Toxicity to aquatic algae and cyanobacteria

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Description of key information

Acutely toxic to aquatic algae.

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Additional information

The acute toxicity to algae was investigated in a GLP test according to OECD guideline 201 using Desmodesmus subspicatus as test organism [Dr. U. Noack-Laboratorien, 2013]. Because of the low solubility of the test substance a water accomodated fraction (WAF) with 6 different loadings was prepared. The experiment was conducted under static conditions over a test period of 72 h and the test loadings were monitored analytically. At test termination, an ErL50 of 9.51 mg/L (nominal) and an ErL10 of 1.8 mg/L (nominal) was determined.