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Short-term toxicity to aquatic invertebrates

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Description of key information

Daphnia Magna, Acute toxicity, Ec50, 48h > 10 mg/l (equal to EC0, precipiation occured)

Key value for chemical safety assessment

Additional information

One acute toxicity study on aquatic invertebrates, namely Daphnia Magna, is available for the analogue substance (Huntsman, 1993). During the experiment precipitation of the test item in the test medium occured and at the solubility limit of the test item under the experimental conditions the EC50, 48h is > 10 mg/l, which correspond to EC0 since no immobilisation was observed.

Based on the read across considerations the same results apply to Acid Black 164.