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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

One toxicity test with algae was performed. The test is well described and performed according OECD guideline 201 applying GLP conditions. The study was performed with the intention of applying the bulk approach (with river water) and resulted in a 72 hr ErC10 of 170 ug/L  and 72 hr ErC50 of 340 ug/L.

Key value for chemical safety assessment

EC50 for freshwater algae:
340 µg/L
EC10 or NOEC for freshwater algae:
170 µg/L

Additional information

One toxicity test with algae was performed. This test is well described and performed according OECD guideline 201 applying GLP conditions. Application of bulk approach for algae testing is considered more realistic for this difficult test chemical as the use of river water stabilizes the test substances in the test solution. The study resulted in a 72 hr ErC10 of 170 ug/L and 72 hr ErC50 of 340 ug/L.