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Long-term toxicity to aquatic invertebrates

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Description of key information

A Daphnia magna (Crustacea, Cladocera) reproduction test was performed according to the OECD Guideline No 211 (adopted September 21, 1998) and Principles of Good Laboratory Practice (GLP, OECD 1997).
The aim of the study was the determination of the reproductive output of Daphnia magna exposed to a range of concentrations of the test substance (determination of NOEC after 21-day exposure).

Due to the low water solubility the test item was tested as “water accommodated fractions” (WAFs) at 5 nominal concentrations between 6.25 mg/L and 100 mg/L.

Concerning the mean cumulative offspring per survivor the results are:

EL50 (Effective Loading rate) is > 100 mg/L

LOELR (Lowest Effective Loading Rate)> 100 mg/L

NOELR (No Observed Effect Loading Rate) ≥ 100 mg/L

Key value for chemical safety assessment

Additional information