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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

No valid short-term toxicity data is available for aquatic invertebrates. The long-term EC50 for parental mortality/immobility was used as a worst-case.

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
238 µg/L

Additional information

No valid short-term aquatic invertebrates data are available for diquat C16 -18 but as a worst-case the long-term EC50 was used instead.