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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

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

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
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.