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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Toxicological information

Eye irritation

Currently viewing:

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-nitrophenylazo)-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