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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

EC50, 72h, biomass = 2.9 mg/l
EC50, 72h, grow rate = 8.2 mg/l

Key value for chemical safety assessment

EC50 for freshwater algae:
2.9 mg/L

Additional information

The analogue substance was tested for toxicity to aquatic algae following EU Method C3. The EC50, 72h for biomass and grow rate resulted equal to 2.9 and 8.2 mg/l respectively.

Based on the read across considerations the same applies to Acid Black 233:2.