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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
supporting study
Study period:
year of publication: 1974
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: insufficiently documented literature data, no details on study design and results

Data source

Reference
Reference Type:
publication
Title:
Industrial experience with 3,3'-dichlorobenzidine. An epidemiological study of a chemical manufacturing plant.
Author:
Gerarde HW, Gerarde DF
Year:
1974
Bibliographic source:
J. Occup. Med. 16: 322-344
Report date:
1974

Materials and methods

Principles of method if other than guideline:
in vivo eye irritation
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
3,3'-dichlorobenzidine
EC Number:
202-109-0
EC Name:
3,3'-dichlorobenzidine
Cas Number:
91-94-1
IUPAC Name:
3,3'-dichlorobiphenyl-4,4'-diamine

Test animals / tissue source

Species:
rabbit
Strain:
not specified

Test system

Vehicle:
unchanged (no vehicle)
Controls:
not specified
Amount / concentration applied:
100 mg
Duration of treatment / exposure:
no data
Details on study design:
- instillation into the conjunctival sac

Results and discussion

In vivo

Results
Irritation parameter:
other: discomfort or reaction
Basis:
other: no data
Time point:
other: no data
Reversibility:
not specified
Remarks on result:
other: caused no obvious discomfort and gave a negative reaction
Other effects:
The test item did not cause obvious discomfort or any other visible response.

Applicant's summary and conclusion

Conclusions:
The test item is not irritating to rabbit eyes under the conditions of this method.
Executive summary:

The test item is not irritating to rabbit eyes under the conditions of this method.