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Short-term toxicity to fish

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Description of key information

Acutely toxic for fish

Key value for chemical safety assessment

Additional information

Two valid studies on the acute toxicity of the substance performed under static conditions with analytical monitoring of the test substance concentration are available. In a study on the acute toxicity to rainbow trout conducted in accordance with OECD guideline 203 a 96 h LC50 of 2.8 mg/l based on nominal concentrations was determined (Ciba-Geigy Ltd. 1984). A second study in compliance with OECD guideline 203 investigated the acute toxicity of the substance to Lepomis macrochirus. After 96 hours a LC50 of 3.8 mg/l was determined.

Both studies were conducted with solubilisers. Due to the substance' solubility behaviour it is not certain that the LC50 values are within the range of solubility.