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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Skin sensitisation

Currently viewing:

Administrative data

Endpoint:
skin sensitisation
Remarks:
in vivo
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Authoritative data base
Title:
Danish QSAR study for CAS No.: 117-61-3
Author:
Danish EPA Model
Year:
2012
Bibliographic source:
QSAR predictions by Danish Environmental Protection Agency (EPA)model powered by OASIS database; Commercial

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: modelling database
Principles of method if other than guideline:
Skin sensitization (dermal) .Multicase model A33
GLP compliance:
no
Type of study:
other: GPMT or human experience

Test material

Constituent 1
Reference substance name:
Benzidine-2,2’-disulphonic acid
IUPAC Name:
Benzidine-2,2’-disulphonic acid
Constituent 2
Chemical structure
Reference substance name:
Benzidine-2,2'-disulphonic acid
EC Number:
204-200-0
EC Name:
Benzidine-2,2'-disulphonic acid
Cas Number:
117-61-3
Molecular formula:
C12H12N2O6S2
IUPAC Name:
4,4'-diamino-[1,1'-biphenyl]-2,2'-disulfonic acid
Details on test material:
- Name of test material: Benzidine-2,2’-disulphonic acid
- Molecular formula: C12H12N2O6S2
- Molecular weight: 344.369
- Substance type: organic
- Physical state: solid

In vivo test system

Test animals

Species:
human
Sex:
not specified

Study design: in vivo (non-LLNA)

Induction
Route:
other: no data
Vehicle:
no data
Challenge
Route:
other: no data
Vehicle:
no data

Results and discussion

In vivo (non-LLNA)

Results
Reading:
1st reading
Group:
test chemical
Clinical observations:
Skin sensitization positive
Remarks on result:
other: Reading: 1st reading. Group: test group. Clinical observations: Skin sensitization positive.

Any other information on results incl. tables

Skin sensitization positive

Applicant's summary and conclusion

Interpretation of results:
sensitising
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
Benzidine-2,2’-disulphonic acid was estimated to be sensitizing to skin of human.
Executive summary:

Benzidine-2,2’-disulphonic acid was estimated to be sensitizing to skin of human.