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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Toxicity to aquatic plants other than algae

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Administrative data

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