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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

The 72h-EC50 for growth rate is 170 mg/L and the 72h-NOEC for growth rate is 7.7 mg/L, both based on measured concentrations (arithm. mean).

Key value for chemical safety assessment

EC50 for freshwater algae:
170 mg/L
EC10 or NOEC for freshwater algae:
7.7 mg/L

Additional information

One study with algae, valid without restrictions, is available for o-TSA.A static test with Pseudokirchneriella subcapitata was performed according to OECD 201 guideline. The 72h-EC50 for growth rate is 170 mg/L and the 72h-NOEC for growth rate is 7.7 mg/L, both based on measured concentrations (arithm. mean).