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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Description of key information

The 48-h EC50 was > 312 µg test substance/L. With regard to the nominal concenetration the 48-h EC50 was > 100 mg/L.

Key value for chemical safety assessment

Additional information

The acute toxicity to daphnia was assessed according to OECD guideline 202. Daphnids were exposed to the test system under static conditions for 48 hours. The water accomodated fraction (derived from a suspsension containing the test substance loading concentration of 100 mg/L) was used to prepare solutions with the nominal test concentrations of 0, 6.25, 12.5, 25.0, 50.0, and 100 mg test substance/L. All test solutions were clear and colorless throughout the test. Mortality was zero or 5 percent at all concentrations tested. Control mortality was zero percent. The 48 hour EC50 was > 312 µg/L and the NOEC was 312 µg/L, related to the analytically verified concentrations (0.0, 30.7, 57.9, 108, 226, and 312 µg/L).