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EC number: 231-717-9 | CAS number: 7699-43-6
- 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

Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- tap density
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- May 07, 2010
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Well performed study to determine tap density; no guideline followed. Temperature of measurement not recorded.
- Principles of method if other than guideline:
- Determination of the tap density in a measuring cylinder.
- GLP compliance:
- no
- Type of method:
- other: tap density
- Type:
- tap density
- Density:
- 0.663 g/cm³
- Remarks on result:
- other: Temperature of measurement was not recorded; ambient conditions are anticipated.
- Conclusions:
- The tap density of zirconium dichloride oxide was determined to be 0.663 g/cm³.
- Endpoint:
- density, other
- Remarks:
- density
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- no data
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Reason / purpose for cross-reference:
- reference to same study
- Principles of method if other than guideline:
- Data in this peer-reviewed publication were taken from many sources, including both compilations and primary literature. Where conflicts were found, the value deemed most reliable was chosen for inclusion in the handbook. Reference sources were not provided for this parameter, nor were the experimental methods.
- GLP compliance:
- no
- Type:
- density
- Density:
- 1.91 g/cm³
- Remarks on result:
- other: Temperature of measurement not reported
- Conclusions:
- Under the test conditions the density of the test substance was reported to be 1.91 g/cm³.
Referenceopen allclose all
The three individual determinations resulted in tap densities of 0.6667, 0.6667 and 0.6557 g/cm3.
Description of key information
The tap density of zirconium dichloride oxide was determined to be 0.663 g/cm3 (Bradshaw , 2010). A peer-reviewed handbook reports the density of zirconium dichloride oxide to be 1.91 g/cm3. For both values, no temperature of measurement was reported. These results are used in a weight of evidence approach to cover the endpoint.
Key value for chemical safety assessment
Additional information
The tap density was determined (Bradshaw, 2010) as due to the physical and chemical nature of this substance, other methods for determining the density are not applicable, e.g. pycnometry cannot be used as the material changes due to loss of moisture on degassing or pressurizing the material. Tap density was 0.663 g/cm³. The method of determination of the value (1.91 g/cm³) reported in the handbook of Lide (2001) is not known. It is suggested to use this information in a weight of evidence approach to cover the endpoint.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.

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