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EC number: 219-372-2 | CAS number: 2425-85-6
Eye irritation
Administrative data
- Endpoint:
- eye irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Pigment Red 3 with an unknown additive (0.4%) and unknown impurities concentrations
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 983
- Report date:
- 1983
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 405 (Acute Eye Irritation / Corrosion)
- GLP compliance:
- yes
Test material
- Reference substance name:
- 1-(4-methyl-2-nitrophenylazo)-2-naphthol
- EC Number:
- 219-372-2
- EC Name:
- 1-(4-methyl-2-nitrophenylazo)-2-naphthol
- Cas Number:
- 2425-85-6
- Molecular formula:
- C17H13N3O3
- IUPAC Name:
- 1-(4-methyl-2-nitrophenylazo)-2-naphthol
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
Constituent 1
Test animals / tissue source
- Species:
- rabbit
- Strain:
- other: Albino-Neuseeländer
Test system
- Vehicle:
- other: Polyethyleneglycol 400
- Controls:
- yes, concurrent no treatment
- Duration of treatment / exposure:
- <24 hours
- Observation period (in vivo):
- 72 hours
- Number of animals or in vitro replicates:
- 3
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- cornea opacity score
- Basis:
- mean
- Time point:
- 72 h
- Score:
- 0
- Max. score:
- 0
- Reversibility:
- fully reversible
- Remarks on result:
- other: The score is an average of 3 animals
- Irritation parameter:
- iris score
- Basis:
- mean
- Time point:
- 72 h
- Score:
- 0
- Max. score:
- 0
- Reversibility:
- fully reversible
- Remarks on result:
- other: The score is an average of 3 animals
- Irritation parameter:
- conjunctivae score
- Basis:
- mean
- Time point:
- 72 h
- Score:
- 0
- Max. score:
- 0
- Reversibility:
- fully reversible
- Remarks on result:
- other: The score is an average of 3 animals
- Irritation parameter:
- cornea opacity score
- Basis:
- mean
- Time point:
- 48 h
- Score:
- 0
- Max. score:
- 0
- Reversibility:
- fully reversible
- Remarks on result:
- other: The score is an average of 3 animals
- Irritation parameter:
- iris score
- Basis:
- mean
- Time point:
- 48 h
- Score:
- 0
- Max. score:
- 0
- Reversibility:
- fully reversible
- Remarks on result:
- other: The score is an average of 3 animals
- Irritation parameter:
- cornea opacity score
- Basis:
- mean
- Time point:
- 24 h
- Score:
- 0
- Max. score:
- 0
- Reversibility:
- fully reversible
- Remarks on result:
- other: The score is an average of 3 animals
- Irritation parameter:
- iris score
- Basis:
- mean
- Time point:
- 24 h
- Score:
- 0
- Max. score:
- 0
- Reversibility:
- fully reversible
- Remarks on result:
- other: The score is an average of 3 animals
- Irritation parameter:
- conjunctivae score
- Basis:
- mean
- Time point:
- 24 h
- Score:
- ca. 0.33
- Max. score:
- 1
- Reversibility:
- fully reversible
- Remarks on result:
- other: The score is an average of 3 animals
- Irritation parameter:
- cornea opacity score
- Basis:
- mean
- Time point:
- other: 1 hour
- Score:
- 0
- Max. score:
- 0
- Reversibility:
- fully reversible
- Remarks on result:
- other: The score is an average of 3 animals
- Irritation parameter:
- iris score
- Basis:
- mean
- Time point:
- other: 1 hour
- Score:
- 0
- Max. score:
- 0
- Reversibility:
- fully reversible
- Remarks on result:
- other: The score is an average of 3 animals
- Irritation parameter:
- conjunctivae score
- Basis:
- mean
- Time point:
- other: 1 hour
- Score:
- 1
- Max. score:
- 1
- Reversibility:
- fully reversible
- Remarks on result:
- other: The score is an average of 3 animals
- Irritation parameter:
- conjunctivae score
- Basis:
- mean
- Time point:
- other: 48 hours
- Score:
- 0
- Max. score:
- 0
- Reversibility:
- fully reversible
- Remarks on result:
- other: The score is an average of 3 animals
Applicant's summary and conclusion
- Interpretation of results:
- not irritating
- Remarks:
- Migrated information Criteria used for interpretation of results: OECD GHS
- Conclusions:
- Not irritating in rabit eyes
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