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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Link to relevant study record(s)

Description of key information

EC50: >0.022 mg/L
NOEC: 0.02 mg/L

Key value for chemical safety assessment

EC50/LC50 for freshwater invertebrates:
0.022 mg/L

Additional information

Acute immobilisation to Daphnia has been investigated over a 48 hour period. Entrapment on the surface occurred at higher concentrations, regarded as beyond the water solubility of the substance. The EC50 was > 0.022 mg/L and a NOEC of 0.0195 mg/L was established.

A second study reports an EC50 of 15 mg/L. This concentration is in excess of the normal water solubility of the substance and was obtained by the use of solubilising agents.