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Diss Factsheets
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EC number: 215-477-2 | CAS number: 1327-41-9
- 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
Repeated dose toxicity: other routes
Administrative data
- Endpoint:
- repeated dose toxicity: other route
- Type of information:
- experimental study
- Adequacy of study:
- disregarded due to major methodological deficiencies
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- other: Route of exposure not relevant for human
Data source
Reference
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 1 977
Materials and methods
Results and discussion
Target system / organ toxicity
- Critical effects observed:
- not specified
Applicant's summary and conclusion
- Executive summary:
Guinea pigs were injected intradermally with 5 mg, 0.5 mg. and 0.05 mg of the following compounds: zirconium carbonate (ZrCO3), aluminum chlorhydrate (ACH), and zirconium aluminum glycine complex (ZAGS), or 6.5 mg. 0.65 mg, and 0.065 mgof aluminum hydroxide (AI(OH)3), in 0.1 ml of saline. Al(OH)3 produced measurable granulomas with the 6.5 -mg and 0.65 -mg doses; those produced by the 6.5 -mg dose persisted for over 28 days. No increase in skin thickness was detected with ZrCO3. Histologic examination of the Al(OH)3 granulomas revealed large undifferentiated macrophages and occasional giant cells surrounding the area containing the injected material. There was little evidence of infiltration with other inflammatory cells and no evidence of fibrosis, although there was always some degree of central necrosis. While ZrCO3 induced no measurable granulomas, the injection site usually contained a small collection of macrophages that had ingested crystalline material.
Both ACH and ZAGS produced increases in skin thickness even at the 0.05-mg dos. This began 14 days after injection, and reached a maximum at 21 days. Histologically, the lesions showed ganulomas which consisted of shredded bundles of intensely basophilic collagen, which also stained with Weigert's elastic stain. This area contained many giant cells and histiocytes, which were markedly pleomorphic, strongly hyperchromatic, and occasionally phagocytic. This process was succeeded by intense fibrosis. The changes in collagen could be the same as those seen in senile elastosis.
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.
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