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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Description of key information

Key study: Test method OECD 202. GLP study. The 48 hours EC50 inmobilisation value for OS-2200 in Dapnia magna was > 100 mg/L based on the nominal exposure concentration.

Key value for chemical safety assessment

EC50/LC50 for freshwater invertebrates:
100 mg/L

Additional information

Key study: A short-term toxicity test on aquatic invertebrates was performed with OS-2200 according to OECD Guideline 202 under GLP conditions. A limit test was performed with Daphnia magna at 100mg/L of test item. 20 Daphnia magna (<24 h old, 10 per replicate) were exposed to either a control medium or 100 mg/L OS-2200 for 48 hours under static conditions. There was no immobility observed within the period of the test, therefore the 48h-EC50 for OS-2200 was >100 mg/L.