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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

IC50, 72h= 39 mg/l

Key value for chemical safety assessment

EC50 for freshwater algae:
39 mg/L

Additional information

The acute toxicity for algae of Basic Brown 1 acetate was tested following OECD 201 (Robama, 2001). Under the experimental conditions the IC50,72h is equal to 39 mg/l (cell number).