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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2000
Report date:
2000

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
420-680-6
EC Name:
-
Cas Number:
134127-48-3
Molecular formula:
C47 H47 Cl N2 O3 S
IUPAC Name:
2-{2-[2-chloro-3-(2-{1,3,3-trimethyl-1H,2H,3H-benzo[g]indol-2-ylidene}ethylidene)cyclohex-1-en-1-yl]ethenyl}-1,1,3-trimethyl-1H-benzo[e]indol-3-ium 4-methylbenzene-1-sulfonate

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White

Test system

Vehicle:
unchanged (no vehicle)
Controls:
other: No separate control animals were included. Only one eye was treated per animal and the other eye remaining untreated, serves as reference control.
Amount / concentration applied:
49mg (a volume of approximately 0.1ml)
Duration of treatment / exposure:
about one second
Observation period (in vivo):
Observations were made:
- mortality: twice daily
- toxicity: at least once daily
- body weight: day of treatment prior to instillation
- irritation: 1, 24, 48 and 72h after instillation.
Number of animals or in vitro replicates:
3 of one sex

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
conjunctivae score
Basis:
mean
Time point:
other: mean 24 - 72 hours
Score:
1
Max. score:
2
Reversibility:
fully reversible within: 72h
Remarks on result:
other: Irritation of the conjunctivae was seen as redness, chemosis and discharge.
Irritation parameter:
cornea opacity score
Basis:
mean
Time point:
other: mean 24 - 72 hours
Score:
0
Max. score:
0
Remarks on result:
other: Treatment with 2% fluorescein, 24 hours after test substance instillation revealed no corneal epithelial damage in any of the animals.
Irritation parameter:
iris score
Basis:
mean
Time point:
other: mean 24 - 72 hours
Score:
0
Max. score:
0

Applicant's summary and conclusion

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