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Diss Factsheets
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EC number: 263-000-1 | CAS number: 61788-71-4
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Additional ecotoxological information
Administrative data
- Endpoint:
- additional ecotoxicological information
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Highly relevant and reliable test methods were used to assess nicikel toxicity under field conditions.
Cross-reference
- Reason / purpose for cross-reference:
- reference to same study
Data source
Reference
- Reference Type:
- publication
- Title:
- Nickel phase partitioning and toxicity in field-deployed sediments
- Author:
- Costello DM, Burton GA, Hammerschmidt CR, Rogevich EC, Schlekat CE
- Year:
- 2 011
- Bibliographic source:
- Environmental Science and Technology. 45:5798-5805
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Sediments from various natural sources were collected, spiked with different nickel levels and equilibrated in the laboratory, and then placed back in the water source with H. azteca to measure in situ toxicity.
- GLP compliance:
- not specified
- Type of study / information:
- Toxicity of nickel-spiked sediments to Hyallela azteca
Test material
- Reference substance name:
- Nickel dichloride
- EC Number:
- 231-743-0
- EC Name:
- Nickel dichloride
- Cas Number:
- 7718-54-9
- Molecular formula:
- Cl2Ni
- IUPAC Name:
- Nickel (II) chloride
Constituent 1
Results and discussion
Any other information on results incl. tables
No statistically significant acute toxicity for all sediments tested at nickel concentrations up to 4978 mg Ni/kg dry weight of sediment. Reduced survival, though only marginally significant, was observed on Spring sediments deployed in Spring River and Dow ediments. H. azteca on Spring sediments in Spring River showed declines in survival at medium and high sediment Ni treatments (40 and 47%, respectively) relative to reference and low sediments (93 and 97%, respectively). On Dow sediments, the marginally significant difference between treatments was due to Ni-treated sediments having greater H. azteca survival than reference sediments. Reduced H. azteca survival on Spring sediments, which had one of the lowest inferred binding capacities for Ni, was not unexpected, yet the Spring sediments placed in Little Molasses Creek exhibited no acute toxicity. Statistically insignificant toxicity and inconsistency between streams suggests that these sediments were not acutely toxic. There was no observed change in H. azteca feeding rates for organisms exposed to overlying water. However, feeding rates for H. azteca exposed to low and high treatments in Raisin River (150 and 1140 mg Ni/kg dw, respectively) were 3x higher than organisms on reference sediment. There was no
measured change in the feeding rate of H. azteca exposed to the surface of other sediments. Collectively, the absence of reduced feeding rates and the lack of significant mortality indicate that these Ni-amended sediments are not acutely toxic to caged benthic organisms, although the potential for toxicity is predicted by SEM-AVS theory. However, these sediments do have the potential to negatively affect benthic organisms, and this was observed in the colonizing benthic macroinvertebrate community.
Applicant's summary and conclusion
- Conclusions:
- Sediments tested were not acutely toxic to H. azteca.
- Executive summary:
Study rated by an independent reviewer.
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