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EC number: 815-131-6 | CAS number: 913171-06-9
- 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
- Study period:
- September - October 2007
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 007
- Report date:
- 2007
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Version / remarks:
- 2002
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
- Version / remarks:
- 2004
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 870.2500 (Acute Dermal Irritation)
- Version / remarks:
- 1998
- GLP compliance:
- yes
Test material
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or test system and environmental conditions:
- ANIMALS
- Species: Albino rabbit, New Zealand White, (SPF-Quality). Recognised by international guidelines as the recommended test system (e.g. EC, OECD). Source: Harlan, Horst, The Netherlands.
- Number of animals: 3 males
- Age and body weight: Animals used within the study were at least 6 weeks old and body weights were at least 1.0 kg.
- Identification: Earmark.
- Health inspection: A health inspection was performed prior to the commencement of treatment, to ensure that the animals were in a good state of health. Special attention was paid to the skin to be treated, which was intact and free from abnormalities.
HUSBANDRY
- Conditions: Animals were housed in a controlled environment, in which optimal conditions were considered to be approximately 15 air changes per hour, a temperature of 21.0 ± 3.0 °C (actual range: 21.3 - 23.1 °C), a relative humidity of 30-70% (actual range: 39 - 64%) and 12 hours artificial fluorescent light and 12 hours darkness per day.
- Accommodation: Individually in labelled cages with perforated floors (Scanbur, Denmark, dimensions 56x44x37.5 cm). Acclimatisation period was at least 5 days before start of treatment under laboratory conditions.
- Diet: Pelleted diet for rabbits (K-H from SSNIFF® Spezialdiäten GmbH, Soest, Germany) approximately 100 grams per day. Hay (TecniLab-SMI SV, Someren, The Netherlands) was provided at least three times a week.
- Water: Free access to tap water.
Results of analysis for each batch of diet (nutrients and contaminants), hay and water were assessed and did not reveal any findings that were considered to have affected the study integrity. All certificates and results of analysis are retained in the NOTOX archives.
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- clipped
- Vehicle:
- unchanged (no vehicle)
- Controls:
- yes, concurrent no treatment
- Amount / concentration applied:
- 0.5 mL
- Duration of treatment / exposure:
- 4 h
- Observation period:
- 7 d
- Number of animals:
- 3
- Details on study design:
- The study was performed in a stepwise manner and was started by treatment of a single rabbit (sentinel). The two other animals were treated in a similar manner 3 weeks later, after considering the degree of skin irritation observed in the first animal.
Approximately 24 hours before treatment, the dorsal fur was clipped with electric clippers, exposing an area of approximately 150 square centimeters (10x15 cm). To facilitate scoring, treated skin areas were re-clipped at least 3 hours before the observations.
Each animal was treated by dermal application of 0.5 mL of the test substance. The test substance was applied to the skin of one flank, using a metalline patch of 2x3 cm. The patch was mounted on Micropore tape, which was wrapped around the abdomen and secured with Coban elastic bandage.
Four hours after the application, the dressing was removed and the skin cleaned of residual test substance using tap water.
After the final observation, the animals were sacrificed by intra-venous injection of pentobarbital Euthesate® (Ceva Sante Animale SV, Naaldwijk, The Netherlands).
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- animal: 520
- Time point:
- 24/48/72 h
- Score:
- 2
- Reversibility:
- fully reversible within: 7 d
- Irritation parameter:
- erythema score
- Basis:
- animal: 563
- Time point:
- 24/48/72 h
- Score:
- 2.3
- Reversibility:
- fully reversible within: 7 d
- Irritation parameter:
- erythema score
- Basis:
- animal: 564
- Time point:
- 24/48/72 h
- Score:
- 2.3
- Reversibility:
- fully reversible within: 7 d
- Irritation parameter:
- edema score
- Basis:
- animal: 520
- Time point:
- 24/48/72 h
- Score:
- 1.3
- Reversibility:
- fully reversible within: 7 d
- Irritation parameter:
- edema score
- Basis:
- animal: 563
- Time point:
- 24/48/72 h
- Score:
- 1.7
- Reversibility:
- fully reversible within: 7 d
- Irritation parameter:
- edema score
- Basis:
- animal: 564
- Time point:
- 24/48/72 h
- Score:
- 1.7
- Reversibility:
- fully reversible within: 7 d
- Irritant / corrosive response data:
- Four hours exposure to 0.5 mL of the test substance resulted in well defined or moderate to severe erythema and slight oedema in the treated skin-areas of the three rabbits. The skin irritation had
resolved within 7 days after exposure in all animals. There was no evidence of a corrosive effect on the skin. - Other effects:
- Sticky and dry remnants of the test substance were present on the skin on Day 1.
No symptoms of systemic toxicity were observed in the animals during the test period and no mortality occurred.
Applicant's summary and conclusion
- Interpretation of results:
- Category 2 (irritant) based on GHS criteria
- Conclusions:
- According to the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) of the United Nations (2003) the test substance should be classified as: skin irritant (Category 2).
- Executive summary:
Primary skin irritation/corrosion study with the test substance in the rabbit (4-hour semi-occlusive application)"
The study was carried out based on the guidelines described in:
OECD No 404, "Acute Dermal lrritation/Corrosion" (2002)
EC, Council Directive 67/548/EEC, An.V, BA (2004), "Acute Toxicity: Dermal Irritation/ Corrosion"
US EPA, OPPTS 870"2500 (1998), Acute Dermal Irritation
JMAFF Guidelines (2000) including the most recent partial revisions"
Three rabbits were exposed to 0.5 mL of the test substance by application onto clipped skin for 4 hours using a semi-occlusive dressing. Skin reactions were assessed 1, 24, 48 and 72 hours and 7 days after exposure.
Exposure to test substance resulted in well defined or moderate to severe erythema and slight oedema in the treated skin-areas of the three rabbits. The skin irritation had resolved within 7 days after exposure in all animals. Sticky and dry remnants of the test substance were present on the skin on Day 1.
Based on these results:
- according to the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) of the United Nations (2003) the test substance should be classified as: skin irritant (Category 2).
- according to the EC criteria for classification and labelling requirements for dangerous substances and preparations (Council Directive 67/548/EEC), the test substance should be
labelled as: irritating to skin (R 38).
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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