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Ecotoxicological information

Toxicity to aquatic plants other than algae

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Link to relevant study record(s)

Description of key information

The inhibitory effects of the tested substance to the duckweed Lemna minor were investigated over a period of 7 days, based on the frond number and biomass (dry weight), following the guideline OECD 221.

Based on the test results, the EC50 value was set at 196 mg/l and the NOEC value was set to 6.38 mg/l.

Key value for chemical safety assessment

EC50 for freshwater plants:
88.4 mg/L
EC10 or NOEC for freshwater plants:
3.36 mg/L

Additional information