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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Description of key information

The toxicity assessment of FeNaIDHA was performed according to OECD Guideline 202 and test method C.2 and in compiance with GLP (OECD, 1997). The aim of the study was evaluation of acute toxicity to Daphnia manga exposed to a range of concentrations of the test material (determination of EC50, EC0 and EC100 in mg/L after 24h and 48h exposure).

The test material was used in only one concentration (limit test) - 100 mg/L. Because of no mortality was observed in tested Daphnia population the EC50/48h value is above 100 mg/L, EC0 value is equel or above 100 mg/L, and EC100 value is above 100 mg/L.

Taking this information into account it can be concluded that results obtained for acute toxicity of FeNaIDHA are also applicable for Mg(2Na)IDHA and presence of Mg cation in Mg(2Na)IDHA molecule instead Fe3+could not influence of it acute toxicity to aquatic invertebrates.

Key value for chemical safety assessment

EC50/LC50 for freshwater invertebrates:
100 mg/L

Additional information