Registration Dossier
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EC number: 223-460-6 | CAS number: 3905-19-9
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- migrated information: read-across based on grouping of substances (category approach)
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Basic data given. Deficiencies: - occlusive dressing - two application sides (intact and abraded skin) - exposure period of 24 hours - examination of erythema and edema after 24/72 hours
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 974
- Report date:
- 1974
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Deviations:
- yes
- Remarks:
- (limited data on animals and husbandry - occlusive dressing - two application sides (intact and abraded skin) - exposure period of 24 hours - examination of erythema and edema after 24/72 hours)
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Diisopropyl 3,3'-[(2,5-dichloro-1,4-phenylene)bis[iminocarbonyl(2-hydroxy-3,1-naphthylene)azo]]bis[4-methylbenzoate]
- EC Number:
- 275-639-3
- EC Name:
- Diisopropyl 3,3'-[(2,5-dichloro-1,4-phenylene)bis[iminocarbonyl(2-hydroxy-3,1-naphthylene)azo]]bis[4-methylbenzoate]
- Cas Number:
- 71566-54-6
- Molecular formula:
- C50 H42 Cl2 N6 O8
- IUPAC Name:
- diisopropyl 3,3'-[(2,5-dichloro-1,4-phenylene)bis[iminocarbonyl(2-hydroxy-3,1-naphthylene)azo]]bis[4-methylbenzoate]
- Test material form:
- solid
- Details on test material:
- The test material is identified by its trade name.
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- other: Russian breed
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Weight at study initiation: 1.5-2 kg
- Housing: singly
- Diet (ad libitum): NAFAG rabbit food
- Water (ad libitum): drinking water
Test system
- Type of coverage:
- occlusive
- Preparation of test site:
- other: left flank: shaved and abraded; right flank: shaved
- Vehicle:
- other: polyethylene glycol
- Controls:
- no
- Amount / concentration applied:
- TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.5 g - Duration of treatment / exposure:
- 24 hours
- Observation period:
- 72 hours
- Number of animals:
- 3 male and 3 female animals
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- mean
- Time point:
- other: 24-72 hours
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- other: intact and abraded side of the test animals
- Irritation parameter:
- edema score
- Basis:
- mean
- Time point:
- other: 24-72 hours
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- other: intact and abraded side of the test animals
Applicant's summary and conclusion
- Interpretation of results:
- not irritating
- Remarks:
- Migrated information
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