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Ecotoxicological information

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Reliable data are available for the acute toxicity of read-across substance, bismuth subnitrate (Bi5O(OH)9(NO3)4), on freshwater fish, invertebrates and algae. Because of its limited solubility, the aquatic organisms were exposed to the water-accommodated fraction of bismuth subnitrate after seven days stirring. No toxic effects were observed up to the highest concentration tested, 137 mg/L bismuth subnitrate (equivalent to 100 mg Bi/L).