Registration Dossier
Registration Dossier
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EC number: 278-717-5 | CAS number: 77538-19-3
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 18 Dec - 20 Dec 1995
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 998
- Report date:
- 1998
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
- Deviations:
- yes
- Remarks:
- lack of details on test material
- GLP compliance:
- yes
Test material
- Reference substance name:
- Docosanoic acid, ester with 1,2,3-propanetriol
- EC Number:
- 278-717-5
- EC Name:
- Docosanoic acid, ester with 1,2,3-propanetriol
- Cas Number:
- 77538-19-3
- Molecular formula:
- C25H50O4
- IUPAC Name:
- Docosanoic acid, ester with 1,2,3-propanetriol
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- other: shaved and abraded
- Vehicle:
- unchanged (no vehicle)
- Controls:
- other: not required, untreated sites of the same animal served as control
- Duration of treatment / exposure:
- 4 h
- Observation period:
- 7 days
Reading time points: 1, 24, 48 and 72 h, 4 and 7 days - Number of animals:
- 3 males
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- animal #1
- Time point:
- other: mean over 24, 48 and 72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: reversibility: not applicable
- Irritation parameter:
- erythema score
- Basis:
- animal #2
- Time point:
- other: mean over 24, 48 and 72 h
- Score:
- 0.3
- Max. score:
- 4
- Reversibility:
- fully reversible within: 48 h
- Irritation parameter:
- erythema score
- Basis:
- animal #3
- Time point:
- other: mean over 24, 48 and 72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: reversibility: not applicable
- Irritation parameter:
- edema score
- Basis:
- mean
- Remarks:
- out of all 3 animals
- Time point:
- other: mean over 24, 48 and 72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: reversibility: not applicable
Applicant's summary and conclusion
- Interpretation of results:
- not irritating
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
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