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Short-term toxicity to aquatic invertebrates

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Description of key information

The 48h-EC50 on aquatic invertebrates was determined to 47 mg/L in a reliable study.

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
47 mg/L

Additional information

Two studies on short-term toxicity to aquatic invertebrates are available. The study performed in 1994 was conducted according to the OECD Guideline 202 and reports a 48h-EC50 to Daphnia of 16 mg/L (based on nominal concentrations). However, the test material identification was not sufficiently detailed to assess the study as reliable without restrictions and can allow misleading interpretation. Therefore, the short-term toxicity to aquatic invertebrates was repeated in 2010. The new study (2010) reports a 48h-EC50 of 47 mg/L expressed as active content and a 48h-EC50 of 71 mg/L as test material (both based on nominal concentrations). This study is considered to have a reliability of (1).