Registration Dossier
Registration Dossier
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EC number: 811-711-8 | CAS number: 14952-06-8
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- November 1981
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 981
- Report date:
- 1981
Materials and methods
Test guideline
- Qualifier:
- no guideline available
- Principles of method if other than guideline:
- This study was conducted under the principles of an Open Epicutaneous Test (OET. Test material is applied epicutaneously, uncovered, undiluted on the clipped flank of a Guinea Pig.
- GLP compliance:
- no
Test material
- Reference substance name:
- (E)-methyl non-2-enoate
- EC Number:
- 811-711-8
- Cas Number:
- 14952-06-8
- Molecular formula:
- C10H18O2
- IUPAC Name:
- (E)-methyl non-2-enoate
- Test material form:
- liquid
Constituent 1
Test animals
- Species:
- guinea pig
- Strain:
- not specified
Test system
- Type of coverage:
- open
- Preparation of test site:
- clipped
- Vehicle:
- unchanged (no vehicle)
- Controls:
- no
- Amount / concentration applied:
- 0.1 ml of each test concentration (100, 30,10 and 3% in ethanol).
- Duration of treatment / exposure:
- Applications of the test material are repeated daily for 3 weeks or done 5-times weekly during 4 weeks, always using the same skin site.
- Observation period:
- 24 hr after each application or at the end of each week.
- Number of animals:
- 6-8 guinea pigs per concentration group
Results and discussion
In vivo
Results
- Irritation parameter:
- erythema score
- Basis:
- mean
- Time point:
- 24 h
- Score:
- 1
- Max. score:
- 4
- Reversibility:
- not specified
- Irritant / corrosive response data:
- At a concentration of 30% after a single application, only slight irritation was observed at 10%, 30% and 100%.
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Executive summary:
The threshold toxic concentration of the test material was estimated as part of an open epicutaneous test. A single application of 10% test material in ethanol was considered the lowest irritant concentration. A single application of 3.0% test material in ethanol was considered the highest non-irritant concentration.
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