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EC number: - | 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:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 002
- Report date:
- 2002
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:
- EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Reference substance name:
- Oligomerisation products of hexamethylene diisocyanate, isocyanurate type, reacted with 2-hydroxyethyl acrylate.
- IUPAC Name:
- Oligomerisation products of hexamethylene diisocyanate, isocyanurate type, reacted with 2-hydroxyethyl acrylate.
- Test material form:
- liquid
- Details on test material:
- CAS: 078567-28-9
Constituent 1
- Specific details on test material used for the study:
- CAS No.: 078567-28-9; Batch No.: WDJ 1853 D-3; Purity: 100 %; Appearance: yellowish liquid
Test animals
- Species:
- rabbit
- Strain:
- Himalayan
- Details on test animals or test system and environmental conditions:
- Species / strain / stock / breeder: rabbit / Himalayan / LPT Laboratory of Pharmacology and Toxicology KG branch Lohndorf, D-24601 Lohndorf/Post Wankendorf,
Number of animals examined: 3 male rabbits,
Initial age: approx. 5 - 5.5 months,
Body weight at start of study: 2.4 - 2.6 kg,
Identification: by tattooed number assigned by the Lohndorf breeding station and continuous number 1 - 3,
Duration of study: at least 20 adaptation days,
Administration route: 0.5 ml/patch and animal, once epicutaneous.
Diet: ssniff K-H (ssniff Spezialdiaten GmbH, D-59494 Soest: Composition of the diet) served as food. The food was available ad libitum before and after the exposure period. At regular intervals (at least twice a year) the food is analysed for contaminants by AUA.
Drinking water: Tap water was offered ad libitum before and after the exposure period.
Samples of the drinking water are taken twice a year by the Wasserbeschaffungsverband Harburg, and are analysed according to the Deutsche Trinkwasserverordnung, Bundesgesetzblatt, 1990. In addition, drinking water samples taken at LPT are analysed by LUFA-ITL.
Housing: For 8 hours following test substance application, the animals were kept singly in special restrainers which allowed free movement of the head but prevented a complete body turn and wiping of the eyes.
During the acclimatisation period and after the 8-hour period in restrainers, the rabbits were kept separately in cages with dimensions of 425 mm x 600 mm x 380 mm at a room temperature of 20 °C ± 3 °C (maximum range). Relative humidity was 55 % ± 15 % (maximum range).
Test system
- Type of coverage:
- occlusive
- Preparation of test site:
- shaved
- Vehicle:
- unchanged (no vehicle)
- Controls:
- yes, concurrent no treatment
- Amount / concentration applied:
- 0.5 ml of the test substance was applied to the test site (area: approx. 6 cm2).
- Duration of treatment / exposure:
- 4 hours
- Observation period:
- Based on most recent guidelines the skin reactions are monitored until the changes observed have completely subsided, however for not more than 14 days after application. Animals that do not reveal any lesions anymore for 24 hours following the first 72 hours of observation are sacrificed.
- Number of animals:
- 3
- Details on study design:
- Approximately 24 hours before the test, the fur was removed by shaving from 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. A dose of 0.5 ml was applied to the test site (area: approx. 6 cm2).
The test substance was applied to the test site and then covered with a gauze patch, which was held in place with non-irritating tape for the duration of the exposure period. The surrounding untreated skin served as a control. Exposure time was four hours. During the exposure the animals were kept in comfortable restrainers.
Examination of the skin: the skin sites were evaluated immediately before the application of the test substance. After the 4 hour exposure period the patch was removed and the skin sites were evaluated. Scores were taken 60 minutes, 24, 48, 72 hours and 4 days after patch removal.
General criteria: body weight of all animals was measured at the beginning of the study.
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- animal #1
- Time point:
- 24/48/72 h
- Score:
- 1
- Max. score:
- 4
- Reversibility:
- fully reversible within: 4 d
- Irritation parameter:
- erythema score
- Basis:
- animal #2
- Time point:
- 24/48/72 h
- Score:
- 1
- Max. score:
- 4
- Reversibility:
- fully reversible within: 4 d
- Irritation parameter:
- erythema score
- Basis:
- animal #3
- Time point:
- 24/48/72 h
- Score:
- 1
- Max. score:
- 4
- Reversibility:
- fully reversible within: 72 h
- Irritation parameter:
- edema score
- Basis:
- animal #1
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Irritation parameter:
- edema score
- Basis:
- animal #2
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Irritation parameter:
- edema score
- Basis:
- animal #3
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- Under the study conditions, the test substance was not considered to be irritating to rabbit skin
- Executive summary:
A study was conducted to determine a skin irritation potential of the test substance in male Himalayan rabbits according to OECD Guideline 404 and EU Method B.4. 0.5 mL of the test substance was applied to the shaved rabbit skin and then covered with a gauze patch, which was held in place with non-irritating tape for a duration of 4 h. The surrounding untreated skin served as a control. The skin sites were evaluated immediately before the application of the test substance. After the 4 h exposure period the patch was removed and the skin sites were evaluated 60 min, 24, 48, 72 h and 4 d after patch removal. Rabbit number 3 showed an erythema of grade 1 at 48 h after patch removal and animal no. 1 and 2 until 72 h after patch removal. Under the study conditions, the the substance was not considered to be irritating to rabbit skin (Leuschner, 2002).
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