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Diss Factsheets
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EC number: 433-060-5 | CAS number: 290822-07-0
- 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
![](https://echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_toxicological-information.png)
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2000
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 000
- Report date:
- 2000
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Version / remarks:
- 1992
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 870.2500 (Acute Dermal Irritation)
- Version / remarks:
- 1998
- GLP compliance:
- yes
Test material
- Details on test material:
- - Expiration date of the lot/batch: None provided
- Receipt date: February 7, 2000
- Appearance: White to offwhite granules
- storage: stored at room temperature.
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS New Zealand White rabbits
- Source: Myrtle's Rabbitry, Thompson Station, TN
- Age at study initiation: adult
- Weight at study initiation: not mentioned
- Housing: housed individually in suspended stainless steel cages
- Diet (e.g. ad libitum): PMI Certified Rabbit Chow ad libitum
- Water (e.g. ad libitum): tap water ad libitum
- Acclimation period: 5d
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 19-24
- Humidity (%): 33-35
- Air changes (per hr): 10-15
- Photoperiod (hrs dark / hrs light): 12
IN-LIFE DATES: 6.-10.3.2000
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- shaved
- Vehicle:
- water
- Controls:
- no
- Amount / concentration applied:
- 0.5 g, 100%
- Duration of treatment / exposure:
- 4h
- Observation period:
- 72h
- Number of animals:
- 3
- Details on study design:
- TEST SITE
- Area of exposure: dorsal area of the trunk
- % coverage: /
- Type of wrap if used: elastic wrap was then further secured with adhesive tape around the trunk at the cranial and caudal ends
REMOVAL OF TEST SUBSTANCE
- Washing (if done): gauze moistened with deionized water followed by dry gauze.
- Time after start of exposure: 4h
Dermal Observations
Animals were examined for signs of erythema and edema and the responses scored 1 hour after patch removal and at approximately 24, 48 and 72 hours after patch application according to the Macroscopic Dermal Grading System which is based on Draize.
Clinical Observations
Any unusual observations and/or mortality were recorded. General health/mortality checks were performed twice daily (in the morning and in the
afternoon).
Body Weights
Individual body weights were obtained for each animal priorto dosing on day 0 and prior to euthanasia.
Gross Necropsy
Each animal was euthanized by an intravenous injection of sodium pentobarbital following its final scoring interval. Gross necropsy examinations were not required for these animals.
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- mean
- Time point:
- 24/48/72 h
- Score:
- 0.1
- Max. score:
- 4
- Reversibility:
- fully reversible
- Irritation parameter:
- edema score
- Basis:
- mean
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
Any other information on results incl. tables
Table 1: Mean Irritation Scores in Individual Animals
Animal No. |
Erythema |
Edema |
R2101/M R2102/M R2103/M |
0.33 0.00 0.33 |
0.00 0.00 0.00 |
Irritation Rating |
Nonirritant |
Nonirritant |
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Executive summary:
The potential irritant and/or corrosive effects of the test substance were evaluated on the skin of New Zealand White rabbits. Each of three rabbits received a 0.50 g dose of the test article as a single dermal application. The test article was moistened with deionized water to enhance test article contact with the skin. The dose was held in contact with the skin under a semi-occlusive binder for an exposure period of four hours. Following the exposure period, the binder was removed and the remaining test article was wiped from the skin using gauze moistened with deionized water followed by dry gauze. Test sites were subsequently examined and scored for dermal irritation for up to 72 hours following patch application. Exposure to the test article produced very slight erythema on 3/3 test sites at the 1 -hour scoring interval. The dermal irritation resolved completely on all test sites by the 48-hour scoring interval.
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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