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EC number: 234-454-8 | CAS number: 12004-35-2
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
Additional information
No data on the toxicity to aquatic algae and cyanobacteria are available for the test substance Nickel aluminate. However, there are reliable data available for different structurally analogue test substances.
The environmental fate pathways and ecotoxicity effects assessments for Ni metal and Ni compounds is based on the observation that adverse effects to aquatic, soil- and sediment-dwelling organisms are a consequence of exposure to the bioavailable Ni-ion, released by the parent compound. The result of this assumption is that the ecotoxicology will be similar for all soluble Ni substances used in the ecotoxicity experiments. Therefore, data from soluble nickel substances are used in the derivation of ecotoxicological and environmental fate endpoints, based on the Ni-ion.
Freshwater:
From the database of chronic nickel toxicity to freshwater algae, 58 individual NOEC/EC10 values are reported for 8 different algae species. NOEC/EC10 values range from 12.3 μg Ni/L for Scenedesmus accuminatus (Deleebeeck et al., 2006) to 425 μg Ni/L for Pseudokirchneriella subcapitata (Deleebeeck et al., 2005 & DeSchamphelaere et al., 2006).
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 algae) |
Selected values for the most sensitive endpoints used for derivation of the freshwater HC5 |
||
Species |
Endpoint |
Value (s) (ug/L) |
|
Deleebeeck et al., 2005 |
Pseudokirchneriella subcapitata |
EC10 |
25.3-362 |
De Schamphelaere et al., 2006 |
Pseudokirchneriella subcapitata |
EC10 |
63.0-425 |
Deleebeeck et al., 2006 |
Chlamydomonas sp. |
EC10 |
20.4-38.2 |
Ankistrodesmus falcatus |
EC10 |
13.6-59.4 |
|
Scenedesmus accuminatus |
NOEC |
12.3 |
|
Chlorella |
EC10 |
42.0 |
|
Desmodesmus spinosus |
NOEC |
22.5 |
|
Pediastrum duplex |
EC10 |
20.1-28.2 |
|
Coelastrum microporum |
EC10 |
41.2-51.8 |
|
Marine:
From the database of chronic nickel toxicity to marine algae, EC10 values are reported for four species. EC10 values range from 97 μg Ni/L for growth of giant kelp (Macrocystis pyrifera) (Golder, 2007) to 17891 μg Ni/L for growth of the dinoflagellate, Dunaliella tertiolecta (Parametrix 2007c).
The following table indicates those NOEC or EC10 values of high quality that have been carried forward for the HC5-& PNEC derivation
Key Study (marine algae) |
Selected values for the most sensitive endpoints used for derivation of the marine HC5 |
||
Species |
Endpoint |
Value (s) (ug/L) |
|
Golder, 2007 |
Macrocystis pyrifera |
EC10 |
96.7 |
Parametrix 2007a |
Champia parvula |
EC10 |
144 |
Parametrix 2007b |
Skelatonema costatum |
EC10 |
316.5 (geomean) |
Parametrix 2007c |
Dunaliella tertiolecta |
EC10 |
17, 891 |
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