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EC number: 700-728-5 | CAS number: 74805-60-0
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 27 Feb - 23 Jun 2003
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 003
- Report date:
- 2003
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 (incl. QA statement)
Test material
- Reference substance name:
- (5Z)-5-(phenylmethylidene)imidazolidine-2,4-dione
- EC Number:
- 700-728-5
- Cas Number:
- 74805-60-0
- Molecular formula:
- C10H8N2O2
- IUPAC Name:
- (5Z)-5-(phenylmethylidene)imidazolidine-2,4-dione
- Test material form:
- solid: particulate/powder
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- Himalayan
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Age at study initiation: 3.5-4.5 months
- Weight at study initiation: 2.3-2.4 kg
- Housing: individually
- Diet: ad libitum
- Water: ad libitum
- Acclimation period: 20 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20°C +/- 3
- Humidity (%): 55% +/- 15
- Photoperiod (hrs dark / hrs light): 12/12
IN-LIFE DATES: From: 17.03.2003 To: 23.03.2003
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- shaved
- Vehicle:
- water
- Controls:
- other: control site at the same animal
- Amount / concentration applied:
- 500 mg/patch and animal
- Duration of treatment / exposure:
- 4 h
- Observation period:
- 60 min, 24, 48 and 72 h after patch removal and continued on a daily basis for up to 14 days
- Number of animals:
- 3
- Details on study design:
- TEST SITE
- Area of exposure: approx. 6 cm²
- Type of wrap if used: the test site was covered with gauze patch, held in contact with the skin by means of a non irritating tape.
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- animal #1
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- erythema score
- Basis:
- animal #2
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- erythema score
- Basis:
- animal #3
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- edema score
- Basis:
- animal #1
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- edema score
- Basis:
- animal #2
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- edema score
- Basis:
- animal #3
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Irritant / corrosive response data:
- Under the conditions of the test none of the three rabbits exposed for 4 hours to the test item showed any substance-related changes at the examination time-points 60 minutes, 24, 48 and 72 hours after patch removal.
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Remarks:
- Migrated information
- Conclusions:
- Under the conditions of this skin irritation study in the rabbit the test item did not cause any skin irritation.
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