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Ecotoxicological information

Toxicity to aquatic plants other than algae

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Description of key information

Laboratory tests according to standard ASTM guideline but not under GLP were conducted with three macrophytes (Lemna gibba, Myriophyllum sibiricum and Myriophyllum spicatum) to assess the toxicity of MCA.

Both Myriophyllum species were similarly sensitive to MCA. The lowest 14d-EC50 (root length) was found for M. sibiricum with a value of 5.8 mg/L.

Key value for chemical safety assessment

EC50 for freshwater plants:
5.8 mg/L

Additional information