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Diss Factsheets
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EC number: 451-490-1 | CAS number: -
- 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:
- other: GLP compliant guideline study, available as unpublished report, no restrictions, fully adequate for assessment.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 004
- Report date:
- 2004
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- RCC Ltd, 4452 Itingen Switzerland
Test material
- Details on test material:
- - Name of test material (as cited in study report): FAT 40'817/A
- Description: Red powder
- Purity: 93.3%
- Lot/batch No.: WIA 260/2
- Expiration date of the lot/batch: 20 february 2009
- Stability of test item: Stable under storage conditions
- Storage condition of test material: At room temperature (range of 20 ± 3 °C), light protected.
The pH of the test item was measured before the study initiation date. A formulation of a 1 % (w/w) solution was prepared. The pH was found to be 6.22.
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Elevage Scientifique des Dombes, F-01400 Chatillon sur Chalaronne / France
- Age at treatment: 11 weeks (male), 10-11 weeks (females)
- Housing: Individually in stainless steel cages equipped with feed hoppers and drinking water bowls. Wood blocks (RCC Ltd, Füllinsdorf) and haysticks 4642 (batch no. 80/03, Provimi Kliba AG) were provided for gnawing.
- Diet (e.g. ad libitum): Pelleted standard Provimi Kliba 3418 rabbit maintenance diet ad libitum (batch nos. 3/04 and 24/04) provided by Provimi Kliba AG, CH-4303 Kaiseraugst.
- Water (e.g. ad libitum): Community tap water from Füllinsdorf, ad libitum.
- Acclimation period: Under laboratory conditions after health examination. Only animals without any visual signs of illness were used for the study.
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 17-23
- Humidity (%): 30-70
- Air changes (per hr): 10-15
- Photoperiod (hrs dark / hrs light): 12/12
Room temperature and humidity were monitored continuously and values outside of these ranges may have occasionally occurred, usually following room cleaning. These transient variations are considered not to have any influence on the study and, therefore, these data are not reported but are retained at RCC.
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- shaved
- Vehicle:
- water
- Controls:
- no
- Amount / concentration applied:
- 0.5g test substance moistened with approximately 0.1 mL purified water.
- Duration of treatment / exposure:
- 4 hours
- Observation period:
- 14 days
- Number of animals:
- 1 male, 2 females
- Details on study design:
- TREATMENT
Four days before treatment, the left flank was clipped with an electric clipper, exposing an area of approximately 100 cm2 (10 cm x 10 cm). The skin of the animals was examined one day before treatment, and regrown fur of all animals was clipped again. Animals with overt signs of skin injury or marked irritation which may have interfered with the interpretation of the results were not used in the test. On the day of treatment, 0.5 g of FAT 40'817/A was placed on a surgical gauze patch (ca. 4 cm x 4 cm). This gauze patch was applied to the intact skin of the clipped area. The patch was covered with a semi-occlusive dressing. The dressing was wrapped around the abdomen and anchored with tape. The duration of treatment was 4 hours. Then the dressing was removed and the skin was flushed with lukewarm tap water to clean the application site so that any reactions (erythema) were clearly visible at that time.
OBSERVATIONS
Viability/Mortality: Daily from acclimatization of the animals to the termination of test.
Clinical signs: Daily from acclimatization of the animals to the termination of test.
Body weights: At start of acclimatization, on the day of application and at termination of observation.
SCORING SYSTEM:
The skin reaction was assessed according to the numerical scoring system listed in the EEC Commission Directive 92/69/EEC, July 31, 1992 approximately 1, 24, 48 and 72 hours, as well as 7, 10 and 14 days after the removal of the dressing, gauze patch and test item. To allow further examination of the test site one female animal was re-clipped on completion of the 10-day examination. If evident, corrosive or staining properties of the test item were described and recorded.
TREATMENT OF RESULTS
Data are summarized, showing the irritation scores for erythema and oedema for each individual animal at all observation intervals after patch removal, any lesions, a description of the degree and nature of irritation, corrosion or reversibility, and any other toxic effects observed.
To evaluate the irritation of the test item the mean score was calculated across 3 scoring times (24, 48 and 72 hours after patch removal) for each animal for erythema/eschar grades and for oedema grades, separately. An animal is positive when the mean score is 2 or greater. The test is positive for irritation when at least 2 animals are positive for the same endpoint (erythema/eschar or oedema).
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- mean
- Time point:
- other: 24, 48, 72 hours
- Score:
- 0
- Max. score:
- 4
- Irritation parameter:
- edema score
- Basis:
- mean
- Time point:
- other: 24, 48, 72 hours
- Score:
- 0
- Max. score:
- 4
- Irritant / corrosive response data:
- No erythema and no swelling (oedema) was noted in any animal at any time.
Neither alterations of the treated skin were observed nor were corrosive effects evident on the skin. - Other effects:
- Slight red staining produced by the test item of the treated skin was observed in all animals from the 1-hour reading up to 72 hours after treatment. Slight red staining was still visible in two animal up to the 10-day examination and persisted in one animal up to 14 days after treatment, the end of the observation period for all animals.
No clinical signs of systemic toxicity were observed in the animals during the study and no mortality occurred.
The body weights of all rabbits were considered to be within the normal range of variability.
Applicant's summary and conclusion
- Interpretation of results:
- not irritating
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- Test substance is considered to be not irritating or corrosive to the rabbit skin.
- Executive summary:
In a GLP compliant skin irritation study, performed according to OECD guideline 404, the test substance (moistened, 0.5g) was applied, semi-occlusive, to the skin of three New Zealand White rabbits for 4 hours. Then the dressing was removed and the skin was flushed with lukewarm tap water and observations were made for an additional 14 days. The test substance showed an erythema and edema score of 0 during the whole observation period. However slight red staining was observed in all animals from the 1-hour reading up to 72 hours after treatment, in two animals up to the 10-day examination and in one animal the slight red staining was still evident 14 days after treatment, the end of the observation period for all animals. No corrosive effects were noted on the treated skin of any animal at any of the measuring intervals and no other clinical signs of test item related effects were observed. Based upon the referred classification criteria (Commission Directive 2001/59/EC of August 2001), the test substance is considered to be "not irritating" to rabbit 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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