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EC number: 701-413-5 | CAS number: -
- 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
Endpoint summary
Administrative data
Description of key information
Additional information
Aquatic toxicity: freshwater, short-term
The table below presents an overview of the reliable acute aquatic toxicity data available for the hazard assessment of Zirconium zircon with encapsulated cadmium selenium sulphide. Concentrations are based on dissolved fraction:
Pseudokirchneriella subcapitata | growth rate | 72-h EC50 | > 1000 mg/L (dissolved fraction) | Wenzel, 2013 |
Daphnia magna | mortality | 48-h EC50 | 6840 mg/L (dissolved fraction) | Weyand, 2000 |
Brachydanio rerio | mortality | 96-h LC50 | > 10000 mg/L (dissolved fraction) | Weyand, 2001 |
Invertebrates: The acute toxicity to Daphnia magna was determined according to OECD Guideline 202 (Weyand, 2000). Daphnids did not become immobilized during the test period of 48 h at tested concentrations up to 4000 mg/L (dissolved fraction at a loading of 4000 mg/L after 24 hours of stirring); the respective 48-h EC50 is 6840 mg/L (based on dissolved fractions after 24 hours of stirring of 5 different loadings ranging from 1,000 - 10,000 mg/L, respectively).
Fish: Information on acute fish toxicity is available from a study performed according to OECD Guideline 203. Fish (Danio rerio) were exposed for 96 hours up to 10000 mg/L (dissolved fraction at a loading of 10,000 mg/L after 24 hours of stirring) under static conditions. At all tested loadings, neither behavioral abnormalities nor mortality occurred.
Algae: The toxic effects of Zirconium zircon with encapsulated cadmium selenium sulphide on the growth rate of algae (Pseudokirchneriella subcapitata) were studied in a state-of-the-art test according to OECD Guideline 201 (Wenzel, 2013). The EC50 value for the 72-h inhibition of growth rate of P. subcapitata is > 100 mg/L (dissolved fraction at a loading of 1000 mg/L after 7 days of dissolution).
Aquatic toxicity: freshwater, long-term
The table below presents an overview of the reliable long-term aquatic toxicity data available for the hazard assessment of Zirconium zircon with encapsulated cadmium selenium sulphide. Concentrations are based on water accomodated fractions (dissolved fraction at a loading of 100 mg/L after 7 days of dissolution).
Pseudokirchneriella subcapitata | growth rate | 72-h EC10 | > 100 mg/L (dissolved fraction at a loading of 100 mg/L after 7 days of dissolution) | Wenzel, 2013 |
Chronic toxicity data of Zirconium zircon with encapsulated cadmium selenium sulphide are available for algae. The long-term toxic effects of Zirconium zircon with encapsulated cadmium selenium sulphide on the growth rate of algae (Pseudokirchneriella subcapitata) were studied in a GLP-conform test according to OECD Guideline 201 (Wenzel, 2013). The EC10 value for the 72-h inhibition of growth rate of P. subcapitata is > 100 mg/L (dissolved fraction at a loading of 100 mg/L after 7 days of dissolution).
Acute aquatic toxicity data at three trophic levels (algae, daphnia, fish) and from standard toxicity tests indicate a lack of an acute toxic potential of Zirconium zircon with encapsulated cadmium selenium sulphide in the aquatic environment, i.e. all EC50 values are above 100 mg/L. Chronic toxicity data for algae indicate a lack of a toxicity potential of Zirconium zircon with encapsulated cadmium selenium sulphide in the aquatic environment long-term for this trophic level which may be explained at least in parts with the insolubility of the pigment.
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