Registration Dossier
Registration Dossier
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EC number: 233-071-3 | CAS number: 10028-18-9
Toxicity to aquatic plants other than algae
Administrative data
Link to relevant study record(s)
Description of key information
High quality studies are available in the database of toxicity to aquatic plants other than algae. A lumped data set for nickel-based compounds was considered for endpoint coverage. The lowest EC10 value was 8.2 µg Ni/L for freshwater plants.
Key value for chemical safety assessment
- EC10 or NOEC for freshwater plants:
- 8.2 µg/L
Additional information
Freshwater (Ni):
From the database of chronic nickel toxicity to freshwater plants, individual NOEC/L(E)C10 values reported for higher plant species. NOEC/L(E)C10 values range from6.11to 75 μg/L for Lemna minor (Gopalapillai et al., 2013; Schlekatet al., 2010) and 50 to 80 μg/L for Lemna gibba (Klaine and Knuteson, 2003) for a final range of6.11to 80 μg/L for the higher plants Lemna gibba and Lemna minor.
The following table indicates those NOEC or EC10 values of high quality that have been carried forward for the HC5-& PNEC derivation.
Key Study (freshwater plant) | Selected values for the most sensitive endpoints used for derivation of the freshwater HC5 | ||
Species | Endpoint | Value (s) (ug/L) | |
Klaine & Knuteson, 2003 | Lemma gibba | EC10 | 70 |
Schlekat et al., 2010 | Lemna minor | EC10 | 8.2-75.0 |
CONCLUSION EC10 8.2 µg Ni/L (= EC10 13.5 µg NiF2/L)
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