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EC number: 234-841-1 | CAS number: 12036-21-4
- 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

Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- 2013-03-04 to 2013-03-14
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Version / remarks:
- adopted 2002-04-24
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- signed 2009-11-12
Test material
- Reference substance name:
- Vanadium dioxide
- EC Number:
- 234-841-1
- EC Name:
- Vanadium dioxide
- Cas Number:
- 12036-21-4
- Molecular formula:
- VO2
- IUPAC Name:
- vanadium dioxide
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- - Name of test material (as cited in study report): Vanadium dioxide
- Molecular weight: 82.94 g/mol
- Physical state: darkgreen-black powder, odourless
- Storage condition of test material: keep cool, dark and dry in tightly sealed containers
- Melting point: 1970°C
- Solubility: sparingly soluble
- Relative density: 4.55 [20°C; Vanadium Consortium, 2012]
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- Himalayan
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: LPT Laboratory of Pharmacology and Toxicology GmbH & Co. KG, Branch Löhndorf, 24601 Löhndorf/Post Wankendorf, Germany
- Age at study initiation: approximately 8 months
- Weight at study initiation: 2.63 - 2.97 kg
- Housing: before and after the 4-hour exposure period, the animals were kept singly in cages measuring 380 mm x 425 mm x 600 mm (manufacturer: Dipl. Ing. W. EHRET GmbH, 16352 Schönwalde, Germany). During the exposure period, the animals were kept singly in restrainers which allowed free movement of the head but prevented a complete body turn. The cages excluded irritation of the skin by excrements and urine.
- Diet (ad libitum; before and after exposure period): commercial diet, ssniff® K-H V2333 (ssniff Spezialdiäten GmbH, 59494 Soest, Germany)
- Water (ad libitum; before and after exposure period): drinking water
- Acclimation period: at least 20 adaptation days
ENVIRONMENTAL CONDITIONS
- Temperature: 20°C ± 3°C (maximum range)
- Relative humidity: 30% - 70% (maximum range)
- Photoperiod (hrs dark / hrs light): 12/12
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- shaved
- Vehicle:
- water
- Controls:
- no
- Amount / concentration applied:
- TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 500 mg of the test item moistened with the vehicle was applied to the test site. - Duration of treatment / exposure:
- 4 hours
- Observation period:
- prior to the administration and 60 minutes, 24, 48 and 72 hours after the exposure period
- Number of animals:
- 3 female rabbits
- Details on study design:
- TEST SITE
- Area of exposure: approximately 24 hours before the test, the fur was removed by closely clipping the dorsal area of the trunk of the animals. Care was taken to avoid abrading the skin. Only animals with healthy intact skin were used.
The test item moistened with the vehicle was applied to the test site (area: approx. 6 cm^2) and then covered with a gauze patch. The patch was held in contact with the skin with non-irritating tape for the duration of the exposure period. The surrounding untreated skin served as a control.
INITIAL TEST AND CONFIRMATORY TEST
As it was expected that the test item would not produce any severe irritancy or corrosion, the test was started using at first only one animal, receiving a single patch for an exposure period of 4 hours.
As neither a corrosive effect nor a severe irritant effect was observed after a four-hour exposure, the test was completed using two additional animals, each with one patch only, for an exposure period of 4 hours.
SCORING SYSTEM: according to the Draize scale
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- mean
- Remarks:
- animal #1
- Time point:
- other: 24, 48 and 72 hours
- Score:
- 0
- Max. score:
- 4
- Irritation parameter:
- edema score
- Basis:
- mean
- Remarks:
- animal #1
- Time point:
- other: 24, 48 and 72 hours
- Score:
- 0
- Max. score:
- 4
- Irritation parameter:
- erythema score
- Basis:
- mean
- Remarks:
- animal #2
- Time point:
- other: 24, 48 and 72 hours
- Score:
- 0
- Max. score:
- 4
- Irritation parameter:
- edema score
- Basis:
- mean
- Remarks:
- animal #2
- Time point:
- other: 24, 48 and 72 hours
- Score:
- 0
- Max. score:
- 4
- Irritation parameter:
- erythema score
- Basis:
- mean
- Remarks:
- animal #3
- Time point:
- other: 24, 48 and 72 hours
- Score:
- 0
- Max. score:
- 4
- Irritation parameter:
- edema score
- Basis:
- mean
- Remarks:
- animal #3
- Time point:
- other: 24, 48 and 72 hours
- Score:
- 0
- Max. score:
- 4
- Irritant / corrosive response data:
- None of the three rabbits exposed for 4 hours to 500 mg vanadium dioxide/animal showed any skin reactions 60 minutes, 24, 48 and 72 hours after the application.
- Other effects:
- There were not any systemic intolerance reactions.
Applicant's summary and conclusion
- Interpretation of results:
- not irritating
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- Vanadium dioxide is not irritating to the skin.
According to the EC-Commission directive 67/548/EEC, vanadium dioxide is not classified as irritating to the skin.
According to the EC-Regulation 1272/2008, vanadium dioxide is not classified as irritating to the skin.
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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