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EC number: 701-417-7 | 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
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- no hazard identified
Marine water
- Hazard assessment conclusion:
- no hazard identified
STP
- Hazard assessment conclusion:
- no hazard identified
Sediment (freshwater)
- Hazard assessment conclusion:
- no hazard identified
Sediment (marine water)
- Hazard assessment conclusion:
- no hazard identified
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- no hazard identified
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
Conclusion on classification
Reliable proprietary studies are not available for chromium tin calcium silicon sphene.
Regarding the acute toxicity, the poorly soluble substance chromium tin calcium silicon sphene is evaluated by comparing the dissolved metal ion levels resulting from the transformation/dissolution test after 7 days at a loading rate of 1 mg/L with the lowest acute ecotoxicity reference values (ERVs) as determined for the (soluble) metal ions. The ERVs are based on the lowest EC50/LC50 values for algae, invertebrates and fish. Acute ERVs were obtained from the Metals classification tool (MeClas) database as follows: Acute ERVs for calcium and silicon are not available since a concern for short-term toxicity was not identified, respectively (see also OECD, 2002 and 2004). For trivalent chromium and tin ions, the acute ERVs are above 1 mg/L (>100 mg Cr3+/L; 9.8 mg Sn/L) and a concern for short-term (acute) toxicity was also not identified (no classification). According to ECHA Guidance on the Application of the CLP Criteria (Version 5.0, July 2017), “Where the acute ERV for the metal ions of concern is greater than 1 mg/L the metals need not be considered further in the classification scheme for acute hazard.” Due to the lack of an acute aquatic hazard potential for calcium, chromium, silicon and tin ions and the fact that (after 7 days T/D at pH 8 and a loading of 1 mg/L) dissolved concentrations of chromium remained below the LOD (< 0.5 µg/L) and tin concentration amount to 2.2 µg Sn/L and are well below the lowest acute ERV of 9.8 mg Sn/L, it can be concluded that the substance chromium tin calcium silicon sphene is not sufficiently soluble to cause short-term toxicity at the level of the acute ERVs (expressed as EC50/LC50).
Supporting studies (Munk, 1992; Lebertz, 1999) of the acute toxicity of the dispersed pigment (chromium tin calcium silicon sphene) to fish (Danio rerio) and aquatic invertebrates (Daphnia magna) provide further evidence on the low potential for acute aquatic toxicity since an unbounded 96-h LC50 of > 10,000 mg/L and a 48-h EC50 of > 10,000 mg/L were derived, respectively.
In accordance with Figure IV.4 “Classification strategy for determining acute aquatic hazard for metal compounds” of ECHA Guidance on the Application of the CLP Criteria (Version 5.0, July 2017) and section 4.1.2.10.2. of Regulation (EC) No 1272/2008, the substance chromium tin calcium silicon sphene is poorly soluble and does not meet classification criteria for acute (short-term) aquatic hazard.
Regarding long-term toxicity, the poorly soluble substance chromium tin calcium silicon sphene is evaluated by comparing the dissolved metal ion levels resulting from the transformation/dissolution test after 28 days at a loading rate of 1 mg/L with the lowest chronic ecotoxicity reference values (ERVs) as determined for the (soluble) metal ions. The ERVs are based on the lowest NOEC/EC10 values for algae, invertebrates and fish. Chronic ERVs were obtained from the Metals classification tool (MeClas) database as follows: Chronic ERVs for calcium and silicon are not available since a concern for long-term toxicity of calcium and silicon ions was not identified (see also OECD, 2002 and 2004). For trivalent chromium and tin ions, the chronic ERVs are above 1 mg/L, and a concern for long-term (chronic) toxicity was also not identified (no classification). According to ECHA Guidance on the Application of the CLP Criteria (Version 5.0, July 2017), ”Where the chronic ERV for the metal ions of concern corrected for the molecular weight of the compound (further called as chronic ERV compound) is greater than 1 mg/L, the metal compounds need not to be considered further in the classification scheme for long-term hazard.” Due to the lack of a chronic aquatic hazard potential for calcium, chromium, silicon and tin ions and the fact that (after 28 days T/D at pH 8 and a loading of 1 mg/L) dissolved concentrations of chromium remained below the LOD (< 0.5 µg/L) and tin concentration amount to 3.8 µg Sn/L whereas the respective chronic ERV is above 1 mg/L, it can be concluded that the substance chromium tin calcium silicon sphene is not sufficiently soluble to cause long-term toxicity at the level of the chronic ERVs (expressed as NOEC/EC10).
In accordance with Figure IV.5 „Classification strategy for determining long-term aquatic hazard for metal compounds “of ECHA Guidance on the Application of the CLP Criteria (Version 5.0, July 2017) and section 4.1.2.10.2. of Regulation (EC) No 1272/2008, the substance chromium tin calcium silicon sphene is poorly soluble and does not meet classification criteria for chronic (long-term) aquatic hazard.
In sum, the substance chromium tin calcium silicon sphene is poorly soluble and does not meet classification criteria of Regulation (EC) No 1272/2008 for acute (short-term) and chronic (long-term) aquatic hazard.
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