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Short-term toxicity to aquatic invertebrates

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Description of key information

Several reliable studies (Klimisch 1 or 2) are available on the acute toxicity of different vanadium substances (NaVO3, V2O5, (NH4)V3O8) to Daphnia magna. Reliable 48-h L(E)C50 values for mortality and immobilisation range from 1520 to 4033 µg V/L. A reliable study (Klimisch 2) is available for the acute toxicity of Na3VO4 to the naidid oligochaete Pristina leidyi (Smith et al., 1991; 48-h LC50: 30,830 µg V/L; Klimisch 1). The lowest 48-h L(E)C50 for freshwater invertebrates (1520 µg V/L) was observed for the effect of V2O5 on the mortality of Daphnia magna in hard water (Kimball, 1978; Klimisch 2) and was selected for the chemical safety assessment.

Regarding the short-term toxicity of vanadium to marine invertebrates, Woods et al. (1984) report a 48-h LC50 of 13,300 µg V/L for the acute effect of NaVO3 on the mysid shrimp Americamysis bahia in adjusted natural seawater (Klimisch 1).

All results are based on total dissolved V concentrations.

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
1 520 µg/L

Marine water invertebrates

Marine water invertebrates
Effect concentration:
13 300 µg/L

Additional information