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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Diss Factsheets
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EC number: 807-276-9 | CAS number: 1421695-64-8
- 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:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
- Report date:
- 2013
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 870.2500 (Acute Dermal Irritation)
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Details on test material:
- -Purity: 100%
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Age at study initiation: Young adult
- Weight at study initiation: 2497, 2767 and 2969 g
- Housing: The animals were individually housed in suspended stainless steel caging with mesh floors
- Diet: Harlan Teklad Global High Fiber Rabbit Diet® #2031. A designated amount of the diet was available to each rabbit (approximately 150 grams/day).
- Water: Filtered tap water was supplied ad libitum.
- Acclimation period: 20-26 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 19-23°C
- Humidity (%): 31-86%
- Air changes (per hr): 12 and 14
- Photoperiod (hrs dark / hrs light): 12 hour light/dark cycle
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- clipped
- Vehicle:
- unchanged (no vehicle)
- Controls:
- no
- Amount / concentration applied:
- TEST MATERIAL
- Amount(s) applied: 0.5 mL
- Concentration (if solution): 100%
- Duration of treatment / exposure:
- 4 hours of exposure
- Observation period:
- approximately 30-60 minutes, 24, 48, and 72 hours after patch removal
- Number of animals:
- 3
- Details on study design:
- TEST SITE
- Area of exposure: dorsal area and the trunk
- % coverage: test substance was applied to one 6-cm2 intact dose site on each animal
- Type of wrap if used: wrapped with semi-occlusive 3-inch Micropore tape
REMOVAL OF TEST SUBSTANCE
- Washing (if done): yes
- Time after start of exposure: 4 hours
SCORING SYSTEM: Draize scoring system
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- edema score
- Basis:
- mean
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: not applicable
- Remarks on result:
- other: oedema noted on 1 animal at patch removal and at 30-60 minute time point
- Irritation parameter:
- erythema score
- Basis:
- mean
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: not applicable
- Irritant / corrosive response data:
- There was no dermal irritation observed for two treated dose sites. Oedema (score of 1) but no erythema was noted at one treated site immediately after patch removal and at the 30-60 minute scoring interval. Oedema cleared from the dose site by 24 hours.
- Other effects:
- All animals appeared active and healthy and gained body weight during the study.
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- There was no dermal irritation observed for two treated dose sites. Oedema (score of 1) but no erythema was noted at one treated site immediately after patch removal and at the 30-60 minute scoring interval. Oedema cleared from the dose site by 24 hours.
- Executive summary:
A primary skin irritation test was conducted with rabbits to determine the potential for the test substance to produce irritation after a single topical application. Five-tenths of a millilitre of the test substance was applied to the skin of one healthy rabbit for 4 hours. The dose site was evaluated for dermal irritation by the method of Draize et al. immediately after patch removal and at 30-60 minutes and 24, 48, and 72 hours after patch removal. Since there was no significant dermal irritation observed in this animal, the test was completed on two additional animals, as described above, except the dose sites were not evaluated immediately after patch removal. There was no dermal irritation observed for two treated dose sites. Oedema (score of 1) but no erythema was noted at one treated site immediately after patch removal and at the 30-60 minute scoring interval. Oedema cleared from the dose site by 24 hours.
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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