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Diss Factsheets

Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
before 1993-10-28
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
other: information granted by ECHA on substance registered before more than 12 years
Title:
Unnamed

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
Deviations:
not specified
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
413-920-6
EC Name:
-
Cas Number:
88949-33-1
Molecular formula:
C30H20N2O2
IUPAC Name:
3,6-bis({[1,1'-biphenyl]-4-yl})-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
semiocclusive
Preparation of test site:
not specified
Vehicle:
water
Amount / concentration applied:
500 mg
Duration of treatment / exposure:
4 h
Observation period:
72 h
Number of animals:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
edema score
Basis:
animal #1
Time point:
other: 24, 48, 72 h
Score:
0
Irritation parameter:
edema score
Basis:
animal #2
Time point:
other: 24, 48, 72 h
Score:
0
Irritation parameter:
edema score
Basis:
animal #3
Time point:
other: 24, 48, 72 h
Score:
0
Irritation parameter:
erythema score
Basis:
animal: 1, 2, 3
Remarks on result:
other: Red staining of the skin made scoring of erythema impossible.
Other effects:
No abnormalities were observed.

Any other information on results incl. tables

Red staining of the skin made scoring of ertyhema impossible.

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated informationCriteria used for interpretation of results: EU