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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Description of key information

48 h EC50 in Daphnia magna> 100 mg ai/L with the NOEC at 100 mg ai/L.

Key value for chemical safety assessment

EC50/LC50 for freshwater invertebrates:
100 mg/L

Additional information

The acute toxicity of the test material to Daphnia magna was investigated in accordance with the standardised guidelines OECD 202, EU Method C.2, EPA OTS 797.1300 and EPA OPPTS 850.1010 under GLP conditions. The study was awarded a reliability score of 1 in accordance with the criteria for assessing data quality set forth by Klimisch et al. (1997).

Daphnids were exposed to the test material for 48 hours at a limit concentration of 100 mg a.i./L under static conditions. There was no immobilisation in any of the 40 daphnids exposed.

Under the conditions of this study, the 48 h EC50 was greater than 100 mg ai/L. Correspondingly the No Observed Effect Concentration (NOEC) was 100 mg ai/L.