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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Acute Toxicity: dermal

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Administrative data

Endpoint:
acute toxicity: dermal
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; only LD50 value mentioned, no details on study design and results provided

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:
acute dermal toxicity
GLP compliance:
no
Test type:
other: no data
Limit test:
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

Species:
rat
Strain:
New Zealand White
Sex:
male/female
Details on test animals or test system and environmental conditions:
- application on intact skin

Administration / exposure

Type of coverage:
not specified
Vehicle:
not specified
Control animals:
not specified

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
other: MLD
Effect level:
> 8 000 mg/kg bw

Applicant's summary and conclusion

Conclusions:
The lethal dose of the test item after dermal application to rabbits is > 8000 mg/kg bw.
Executive summary:

The lethal dose of the test item after dermal application to rabbits is > 8000 mg/kg bw.