Registration Dossier
Registration Dossier
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EC number: 237-037-9 | CAS number: 13596-17-3
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- no hazard identified
Marine water
- Hazard assessment conclusion:
- no hazard identified
STP
- Hazard assessment conclusion:
- no hazard identified
Sediment (freshwater)
- Hazard assessment conclusion:
- no hazard identified
Sediment (marine water)
- Hazard assessment conclusion:
- no hazard identified
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- no hazard identified
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
In the assessment of environmental fate and toxicity of erbium tetraoxide vanadium, read-across to the assessment entities „vanadium ions“ and „erbium ions“ is applied since the ions of erbium tetraoxide vanadium determine the environmental fate and toxicity of erbium tetraoxide vanadium. Since vanadium and erbium ions behave differently in the environment, a separate assessment of the environmental fate and toxicity of each assessment entity is performed. Please refer to the data as submitted for each individual assessment entity. For a documentation and justification of that approach, please refer to the separate document attached to section 13, namely Read Across Assessment Report for erbium tetraoxide vanadium.
Conclusion on classification
Erbium vanadium tetraoxide is poorly soluble.The results from a standard water solubility test according to OECD 105 indicate that at a loading of 5 mg/L, the dissolution of Erbium vanadium tetraoxide after 51 days results in a vanadium concentrations of 0.017 mg V/L whereas erbium concentrations are below the limit of detection/quantification. The acute and chronic ecotoxicity reference values of 0.693 and 0.120 mg V/L are based on dissolved elemental vanadium concentrations. Thus, the dissolved vanadium concentration is below acute and chronic reference values for dissolved elemental vanadium. There are not any indications that the assessment entity “erbium ions” (i.e. erbium oxide) would be classified as environmental hazard under Regulation (EC) No 1272/2008. It is concluded that erbium vanadium tetraoxide does not meet acute (short-term) or long-term classification criteria as hazardous to the aquatic environment according to the European Regulation (EC) No. 1272/2008.
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