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Toxicological information

Eye irritation

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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:
1983
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

Constituent 1
Chemical structure
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-nitrophenyl)diazenyl]-2-naphthol
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

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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