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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

The EC50 for growth rate inhibition (72h-ERC50) was 29 mg/L with a 95% confidence interval ranging from 28 to 30 mg/L.

The EC50 for yield inhibition (72h-EYC50) was 15 mg/L with a 95% confidence interval ranging from 14 to 17 mg/L.

The 72h-NOEC for growth rate inhibition was 3.2 mg/L based on statistical significance and 10 mg/L based on biological relevance.

The 72h-NOEC for yield inhibition was <1.0 mg/L based on statistical significance and 1.0 mg/L based on biological relevance.

Key value for chemical safety assessment

EC50 for freshwater algae:
26 mg/L
EC10 or NOEC for freshwater algae:
4.7 mg/L

Additional information