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EC number: 202-374-2 | CAS number: 94-91-7
Eye irritation
Administrative data
- Endpoint:
- eye irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1959
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 959
- Report date:
- 1959
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 405 (Acute Eye Irritation / Corrosion)
- Principles of method if other than guideline:
- One drop of the test substance was applied to the rabbit's eye. The occular reactions were scored after 10 min, 1 h, 3 h and after 24 h and further on until effects were reversible.
- GLP compliance:
- no
Test material
- Reference substance name:
- α,α'-propylenedinitrilodi-o-cresol
- EC Number:
- 202-374-2
- EC Name:
- α,α'-propylenedinitrilodi-o-cresol
- Cas Number:
- 94-91-7
- Molecular formula:
- C17H18N2O2
- IUPAC Name:
- α,α'-propylenedinitrilodi-o-cresol
- Details on test material:
- - Name of test material (as cited in study report): Metai.ldeaktivator DMD = NN' -Disalicyliden-1,2-Propandiamin
no further data
Constituent 1
Test animals / tissue source
- Species:
- rabbit
- Strain:
- other: white rabbit
- Details on test animals or tissues and environmental conditions:
- no data
Test system
- Vehicle:
- unchanged (no vehicle)
- Controls:
- other: untreated eye of the same animal
- Amount / concentration applied:
- TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 1 drop of the test material - Duration of treatment / exposure:
- 1 drop was applied and not washed out
- Observation period (in vivo):
- 8 days
- Number of animals or in vitro replicates:
- 2
- Details on study design:
- SCORING SYSTEM: comparable to the scoring system outlined in OECD 405 guideline
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- cornea opacity score
- Basis:
- mean
- Time point:
- 24/48/72 h
- Score:
- 0
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- iris score
- Basis:
- mean
- Time point:
- 24/48/72 h
- Score:
- 0
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- conjunctivae score
- Basis:
- mean
- Time point:
- 24/48/72 h
- Score:
- 0.25
- Reversibility:
- fully reversible within: 2 days
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- chemosis score
- Basis:
- mean
- Time point:
- 24/48/72 h
- Score:
- 0
- Remarks on result:
- no indication of irritation
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- Alpha,alpha'-Propylenedinitrilodi-o-cresol does not show an eye irritating potential under the test conditions chosen.
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