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Ecotoxicological information

Long-term toxicity to fish

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Description of key information

The lowest chronic NOEC or EC10 for fish, 76 µg V/L, was observed for the effect of V2O5 in a 30-day growth test with second generation flagfish larvae (Jordanella floridae) originating from exposed fish (Holdway and Sprague, 1979).

Key value for chemical safety assessment

EC10, LC10 or NOEC for freshwater fish:
76 µg/L

Additional information

Reliable data (all Klimisch 2) were available for four freshwater species: Pimephales promelas, Poecilia reticulata, Jordanella floridae and Clarias batrachus. Tests were all based on pentavalent V substances (NaVO3, NH4VO3 or V2O5). Chronic NOEC or EC10-values were situated between 76 µg V/L and 870 µg V/L. No reliable data are available for the long-term toxicity of vanadium substances to marine fish. All results are based on total dissolved V concentrations.