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EC number: 233-279-4 | CAS number: 10102-90-6
- 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 information on environmental fate and behaviour
Administrative data
- Endpoint:
- additional information on environmental fate and behaviour
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
Data source
Reference
- Reference Type:
- other: report
- Title:
- Erprobung und Anpassung ökotoxikologischer Methoden zur Bewertung UTD-relevanter Abfalleluate
- Author:
- Brasser, T. et al.
- Year:
- 1 997
- Bibliographic source:
- Gesellschaft für Anlagen- und Reaktorsicherheit (GRS), Köln
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Information on the extractability, absorption by Nicotiana tabacum of copper and its sorption to unconsolidated soil sediments is given.
- GLP compliance:
- no
Test material
- Reference substance name:
- Dicopper oxide
- EC Number:
- 215-270-7
- EC Name:
- Dicopper oxide
- Cas Number:
- 1317-39-1
- Molecular formula:
- Cu2O
Constituent 1
Results and discussion
Applicant's summary and conclusion
- Conclusions:
- Regarding the absorption in Nicotiana tabacum,copper and lead were found to be – almost exclusively - concentrated to the roots.
Typical Cu concentrations for LUFA soils were reported and varied between 0.81 and 17.1 mg Cu/kg resulting in a median value of 4.6 mg Cu/kg. - Executive summary:
Information on the extractability, absorption by Nicotiana tabacum of copper and its sorption to unconsolidated soil sediments is given. The highest heavy metal concentrations were found in eluates of filter dust from SAV (CA202). In an aqueous extract, 4100 mg/L cadmium, 1400 mg/L zinc and 179 mg/L copper were detected. Regarding the absorption in Nicotiana tabacum,copper and lead were found to be – almost exclusively - concentrated to the roots. A study of metal binding strength to the cellular wall of root cells (2 different genotypes ofNicotiana tabacum) revealed the following ranking: Cu > Ca > Mn > Na. In soil, copper is bound less than lead, but to a much higher amount and in a wider pH range than zinc or cadmium. Mn- oxide shows the highest binding capacity for copper. The higher amount sorbed in soil is bound to inorganic substance, if this is present in the soil to higher amounts. In the pH range of 5-7, Cu shows a pronounced minimum of solubility. With increasing pH value, the stability and solubility especially of organic heavy metal complexes increases. At pH > 7, copper is completely sorbed, with decreasing pH values, copper (like lead, zinc and cadmium) is increasingly remobilised. Copper (II) - Ions form complexes with various ligands, in presence of CO2species, a strong CuCO3pair is predominating. Cu has a strong affinity to humic substances and is also bound to high amounts to Fe-hydroxides and Mn-oxides. In desorption studies, the addition of salts does not influence the copper mobilising. Typical Cu concentrations for LUFA soils were reported and varied between 0.81 and 17.1 mg Cu/kg resulting in a median value of 4.6 mg Cu/kg.
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