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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

In an OECD 201 study with Pseudokirchnerella subcapitata the acute toxicity was determined to be after 72 h exposure to be: EC50 58 mg/l and EC10: 6.7 mg/L related to growth rate.

Key value for chemical safety assessment

EC50 for freshwater algae:
58 mg/L
EC10 or NOEC for freshwater algae:
6.7 mg/L

Additional information

In an OECD 201 study with Pseudokirchnerella subcapitata the acute toxicity was determined to be after 72 h exposure to be: EC50 58 mg/l and EC10: 6.7 mg/L related to growth rate.