Registration Dossier
Registration Dossier
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EC number: 234-433-3 | CAS number: 12003-65-5
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
Acute aquatic hazard
The release of metals from Aluminium lanthanum oxide at a loading of 100 mg/L results in concentrations that are well below respective acute reference values of aluminium and lanthanum (http://www.meclas.eu). Thus, Aluminium lanthanum oxide does not meet classification criteria of Acute Aquatic hazard under Regulation (EC) No 1272/2008.
Table: Toxic units (TU): Dissolved metal concentrations after 34 days at pH 7 and a loading of 100 mg/L compared to respective ERVs (Toxic units were calculated with more digits. ERVs based onhttp://www.meclas.eu)
Metal |
100 mg/L (µg/L) |
TU 100 mg/L (µg/L) |
Al |
23.72 |
0.02 |
La |
5.04 |
0.28 |
Sum TU |
|
0.30 |
Long-term aquatic hazard
Based on current information and self-classification of toxicity references (http://www.meclas.eu), a chronic ecotoxicity reference value has not been derived for aluminium and lanthanum indicating a lack of long-term aquatic toxicity of both metals. Consequently, Aluminium lanthanum oxide does not meet classification criteria of Long-term aquatic hazard under Regulation (EC) No 1272/2008.
Conclusion on classification
The solubility of aluminium lanthanum trioxide is low since dissolution in water resulted in La concentrations < 0.01 mg/L and Al concentrations < 0.03 mg/L after 34 days. Using solubility data, current information and self-classification of toxicity references (http://www.meclas.eu), aluminium lanthanum trioxide does not meet classification criteria of Acute and Long-term Aquatic Hazard criteria of Regulation (EC) No 1272/2008.
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