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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1988
Report date:
1988

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
3-[(2E)-2-[1-({4-[(2E)-2-[2-(5-carboxy-2-chlorophenyl)hydrazin-1-ylidene]-3-oxobutanamido]-2,5-dimethylphenyl}carbamoyl)-2-oxopropylidene]hydrazin-1-yl]-4-chlorobenzoic acid
EC Number:
616-083-7
Cas Number:
74351-78-3
Molecular formula:
C30 H26 Cl2 N6 O8
IUPAC Name:
3-[(2E)-2-[1-({4-[(2E)-2-[2-(5-carboxy-2-chlorophenyl)hydrazin-1-ylidene]-3-oxobutanamido]-2,5-dimethylphenyl}carbamoyl)-2-oxopropylidene]hydrazin-1-yl]-4-chlorobenzoic acid
Details on test material:
- Batch No.: OP 31
- Purity: commercial grade
- Physical properties: solid; insoluble in water
- Storage conditions: room temperature
- Safety precautions: gloves and face masks

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White
Details on test animals or tissues and environmental conditions:
TEST ANIMALS
- Source: Kleintierfarm Madoerin AG, Fuellinsdorf
- Age at study initiation: approx. 12-14 weeks old
- Weight at study initiation: 2270 to 2660 g
- Housing: individually
- Diet (e.g. ad libitum): ad libitum standard rabbit pellet - Nafag No. 814, Gossau, Switzerland
- Water (e.g. ad libitum): ad libitum fresh water
- Acclimation period: at least 5 days

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20 +/- 3
- Humidity (%): 30-70
- Photoperiod (hrs dark / hrs light): 12 hours/ 12 hours

Test system

Vehicle:
unchanged (no vehicle)
Controls:
other: The right eye remained untreated and served as a control.
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.1 ml (62 mg)
Duration of treatment / exposure:
The test substance was placed into the conjunctival sac of the left eye of each animal. The lids were then held together for about one second in order to prevent loss of the test article.
Observation period (in vivo):
7 days
Number of animals or in vitro replicates:
3
Details on study design:
REMOVAL OF TEST SUBSTANCE: Rinsing was not reported.

SCORING SYSTEM: OECD scoring system

TOOL USED TO ASSESS SCORE: slit lamp

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
cornea opacity score
Basis:
mean
Time point:
other: 24 - 48 - 72 h
Score:
0
Max. score:
4
Reversibility:
other: No effects observed
Irritation parameter:
iris score
Basis:
mean
Time point:
other: 24 - 48 - 72 h
Score:
0
Max. score:
2
Reversibility:
other: No effects observed
Irritation parameter:
conjunctivae score
Basis:
animal #1
Time point:
other: 24 - 48 - 72 h
Score:
0.6
Max. score:
3
Reversibility:
fully reversible within: 72 hours
Remarks on result:
other: Slight red ness was observed from one to 48 hours
Irritation parameter:
conjunctivae score
Basis:
animal #2
Time point:
other: 24 - 48 - 72 h
Score:
0
Max. score:
3
Reversibility:
other: No effects observed
Remarks on result:
other: Slight redness was observed after one hour.
Irritation parameter:
conjunctivae score
Basis:
animal #3
Time point:
other: 24 - 48 - 72 h
Score:
1
Max. score:
3
Reversibility:
fully reversible within: 7 days
Remarks on result:
other: Sight redness was obserev from one to 72 hours.
Irritation parameter:
chemosis score
Basis:
mean
Time point:
other: 24 - 48 - 72 h
Score:
0
Max. score:
4
Reversibility:
other: No effects observed
Remarks on result:
other: Slight chemosis was observed in all animals after one hour .

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: other: OECD EU