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Short-term toxicity to fish

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Description of key information

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
100 mg/L

Additional information

A reliable GLP-conform study (Klimisch 1) according to the OECD 203 guideline is available for the effect of the water accommodated fraction of bismuth subnitrate (Bi5O(OH)9(NO3)4) after equilibration for seven days on the mortality of zebrafish (Danio rerio) (Egeler and Kiefer, 2010). No mortalities were found in the control and the test item concentrations up to the water-accommodated fraction (WAF) at a loading rate of 100 mg Bismuth/L (137 mg test item/L). Behavioural or morphological differences in the treatments compared to the control fish were not apparent during the exposure period. The LC50 (96 h) was therefore determined to be higher than the highest tested concentration. The measured dissolved Bi concentration was in all treatments below the limit of detection (0.003 mg Bi/L).

No data are available for the short-term toxicity of bismuth to marine fish.