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Ecotoxicological information

Long-term toxicity to fish

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Description of key information

In a prolonged toxicity to fish test, 14-day study, performed similarly to OECD 204 guideline, a NOEC value of 100 mg/L was obtained.

Key value for chemical safety assessment

EC10, LC10 or NOEC for freshwater fish:
100 mg/L

Additional information

A prolonged toxicity to fish test (Japanese killifish (Oryzias latipes)) was assessed similarly to OECD 204 guideline. The test substance was applied for 14 days in the following nominal concentrations: 30.9, 55.6, 100 mg/L. The test substance tends to split immediately to two components in aqueous solution. Its half-life is about 1 hour, and it almost fully decomposes for 5 to 6 hours. Therefore, concentration of the test substance in a test solution was not measured. Thus, the test result was calculated in accordance with a target concentration. Under the test conditions the NOEC value obtained was 100 mg/L. However as the test does not fulfil the requirements of a long-term toxicity to fish test (14 days exposure duration only), the NOEC value obtained in the study is not used for PNEC calculations/ considerations.