Registration Dossier
Registration Dossier
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EC number: 293-671-6 | CAS number: 91081-64-0 Slag produced during ilmenite smelting (ore or sand). Consists primarly of TiO2, FeO, Al2O3, SiO2, MgO and other metal oxides.
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
In the acute algal toxicity test none of the UGI exhibited more than 50% effect at a 100 mg/L loading (7 days). Therefore, the unbounded 72-h EC50 is > 100 mg/L. UGI show effect levels in most cases well below the 10% chronic effect level. This is not surprising since chemical analysis results from previous transformation/dissolution tests do indicate that releases of most metal concentrations are very close or below detection limits (Skeaff and Hardy, 2007). The unbounded 72h-EC10 is > 1 mg/L for all the UGI products.
Key value for chemical safety assessment
Additional information
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