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Toxicological information

Skin irritation / corrosion

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Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1983
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1980
Report date:
1980

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Deviations:
no
GLP compliance:
yes (incl. QA statement)

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

Species:
rabbit
Strain:
other: Albino-Neuseeländer

Test system

Type of coverage:
semiocclusive
Preparation of test site:
clipped
Vehicle:
other: Polyethylenglycol 400
Duration of treatment / exposure:
4 hours
Observation period:
72 hours
Number of animals:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
mean
Time point:
72 h
Score:
ca. 0
Max. score:
0
Reversibility:
fully reversible within: 24 hours
Irritation parameter:
edema score
Basis:
mean
Time point:
72 h
Score:
ca. 0
Max. score:
0
Reversibility:
fully reversible within: 24 hours
Irritation parameter:
erythema score
Basis:
mean
Time point:
48 h
Score:
ca. 0
Max. score:
0
Reversibility:
fully reversible within: 24 hours
Irritation parameter:
edema score
Basis:
mean
Time point:
48 h
Score:
ca. 0
Max. score:
0
Reversibility:
fully reversible within: 24 hours
Irritation parameter:
erythema score
Basis:
mean
Time point:
24 h
Score:
ca. 0
Max. score:
0
Reversibility:
fully reversible within: 24 hours
Irritation parameter:
edema score
Basis:
mean
Time point:
24 h
Score:
ca. 0
Max. score:
0
Reversibility:
fully reversible within: 24 hours
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 1h
Score:
>= 0 - <= 1
Max. score:
0.1
Reversibility:
fully reversible within: 24 hours

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
The test material is not skin irritating or corrosive according to the study result