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Ecotoxicological information

Short-term toxicity to fish

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Description of key information

LC50, 96h, Danio Rerio= 24.1 mg/l

Key value for chemical safety assessment

LC50 for freshwater fish:
24.1 mg/L

Additional information

One study is available for acute toxicity to fish for Basic Brown 1 Acetate (acetic acid aqueous solution) and another one on the analogue substance 1. Since both substances show the same level of toxicity, the test on Basic Brown 1 Acetate performed following OECD 203 (Robama, 2001) was chosen as key study. Under the experimental conditions the Basic Brown 1 Acetate showed an LC50, 96h equal to 24.1 mg/l (LC50 recalculated to the dye concentration).