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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Link to relevant study record(s)

Description of key information

In a key and guideline study (OECD 203), a 96-h LC50 of > 100 mg/L (nominal, analytically verified) was determined for freshwater zebrafish (D. rerio). Mortality or sublethal effects were not observed at the limit concentration of 100 mg/L (Eilebrecht, 2018). The low toxic potential was confirmed for O. mykiss in a supporting study (96h-LC50 = 112.9 mg/L, nominal). Hence, an acute hazard for freshwater fish could not be identified for tripotassium hexacyanocobaltate.

Key value for chemical safety assessment

Additional information