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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 vitro / ex vivo
Type of information:
experimental study
Adequacy of study:
other information
Study period:
18 August 2009
Reliability:
1 (reliable without restriction)

Data source

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
other: The Ocular Toxicity Working Group (OTWG) of the Interagency Coordinating Committee on the Validation of Alternative Methods (ICCVAM) and the National Interagency Centre for the Evaluation of Alternative Toxicological Methods (NICEATM), Background Review D
Qualifier:
according to guideline
Guideline:
other: In Vitro Techniques in Toxicology Database (INVITTOX) protocol 124. Bovine Opacity and Permeability Assay - SOP of Microbiological Associates Ltd., 1999.
Qualifier:
according to guideline
Guideline:
other: Gautheron P., Dukic M., Alix D. and Sina J.F., Bovine corneal opacity and permeability test: An in vitro assay of acular irritancy. Fundam Appl Toxicol 18:442-449, 1992.
Qualifier:
according to guideline
Guideline:
other: Organisation for Economic Co-operation and Development (OECD), OECD Guidelines for Testing of Chemicals; Draft proposal for a new guideline: "Bovine Corneal Opacity and Permeability (BCOP) Test Method for Identifying Ocular Corrosives and Severe Irritants
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2-cyano-N-(2,4-dichloro-5-methoxyphenyl)acetamide
EC Number:
617-590-6
Cas Number:
846023-24-3
Molecular formula:
C10H8Cl2N2O2
IUPAC Name:
2-cyano-N-(2,4-dichloro-5-methoxyphenyl)acetamide
Details on test material:
Molecular formula C10H8Cl2N2O2
Molecular weight 259.09
CAS Number 846023-24-3
Description: Ivory flakes (determined at NOTOX)
Batch 18238505
Purity 97.3%
Test substance storage: At room temperature in the dark
Stability under storage conditions: Stable

Test animals / tissue source

Species:
other: Bovine eye

Test system

Controls:
not required
Duration of treatment / exposure:
240 minutes

Results and discussion

In vivo

Results
Irritation parameter:
cornea opacity score
Basis:
other: eye bovine
Time point:
other: 240
Score:
ca. 0
Max. score:
0

Any other information on results incl. tables

The corneas were all clear after the 240 minutes of treatment with WAY-186478. Hence, the in vitro irritancy scores ranged from 0 to 1.2 after 240 minutes of treatment with WAY-186478.

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information
Conclusions:
Finally, it is concluded that this test is valid and that WAY-186478 is a non irritant in the Bovine Corneal Opacity and Permeability test under the experimental conditions described in this
report.