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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Description of key information

EC50,48h Daphnia Magna= 0.26 mg/l

Key value for chemical safety assessment

EC50/LC50 for freshwater invertebrates:
0.26 mg/L

Additional information

One study (Robama, 2011) was performed on Basic Brown 1 acetate following OECD 202. The substance under the experimental conditions showed an EC50,48h = 0.26 mg/l (Immobilisation). The same order of magnitude of toxicity was observed also for analogue substance 2, confirming that the hazard does not come from the acetic part of the molecule.