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Diss Factsheets

Ecotoxicological information

Short-term toxicity to fish

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Administrative data

Link to relevant study record(s)

Description of key information

Under the conditions of the present test the 96h LC50 for carp exposed the test substance is 24 mg/l. 

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
24 mg/L

Additional information

The key study describes the acute toxicity of the test substance to carp based on OECD and EU guidelines. Ten fish per concentration were exposed for a maximum of 96 hours in a semi-static system to a concentration range from nominally 5.6 to 56 mg/L. Tween 80 was added to the test solution at a concentration of 0.1 mg/L. The test media were renewed every 24 hours.

The LC50 value calculated from the data was 24 mg/l. With 0% mortality at 18 mg/l and 100% mortality at 32 mg/l (the limits of the 95 confidence interval) and it was already reached after 2 hours following the start of the test. Effects other than mortality were exclusively observed in the fish exposed to 10 and 18 mg/l. These effects recorded were hypoactivity and loss of equilibrium.