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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
1976
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1978
Report date:
1978

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
other: US Federal Register 38 No. 187 §1500.42
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
4-hydroxy-1-methyl-3-[(3-nitrophenyl)azo]-2-quinolone
EC Number:
229-219-1
EC Name:
4-hydroxy-1-methyl-3-[(3-nitrophenyl)azo]-2-quinolone
Cas Number:
6439-53-8
Molecular formula:
C16H12N4O4
IUPAC Name:
4-hydroxy-1-methyl-3-[(3-nitrophenyl)diazenyl]quinolin-2(1H)-one
Test material form:
liquid

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White

Test system

Vehicle:
unchanged (no vehicle)
Controls:
yes, concurrent no treatment
Duration of treatment / exposure:
one treatment at 0h
Observation period (in vivo):
72 h
Number of animals or in vitro replicates:
6
Details on study design:
Calculation based on Draize system

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
cornea opacity score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
no indication of irritation
Irritation parameter:
iris score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
2
Remarks on result:
no indication of irritation
Irritation parameter:
conjunctivae score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
3
Remarks on result:
no indication of irritation
Irritation parameter:
chemosis score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
no indication of irritation
Irritant / corrosive response data:
No signs of irritation occured.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The substance did not cause any signs of eye irritation in rabbits within 72 h. The substance is not classifiable according to GHS criteria.