Registration Dossier

Diss Factsheets

Administrative data

Hazard for aquatic organisms

Hazard for air

Hazard for terrestrial organisms

Hazard for predators

Additional information

Conclusion on classification

In the absence of ecotoxicity data for this substance data has been read across from a soluble rhenium compound, as is standard practice for the hazard and risk assessment of metals. The results of ecotoxicity testing with sodium rhenate have been read across and expressed as perrhenic acid in order to provide an indication of the toxicity of perrhenic acid. The EC50 values expressed as perrhenic acid are >91.95 mg/L and 209.44 mg/L. As the lowest EC50 is a greater than value it is not suitable for use for classification, but the data indicates that it is likely that the EC50 value for perrhenic acid would be >100 mg/L, and therefore perrhenic acid would not be classified under DSD or CLP regulations.