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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1990
Report date:
1990

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
4-aminotoluene-2-sulphonanilide
EC Number:
201-221-7
EC Name:
4-aminotoluene-2-sulphonanilide
Cas Number:
79-72-1
Molecular formula:
C13H14N2O2S
IUPAC Name:
5-amino-2-methyl-N-phenylbenzene-1-sulfonamide
Test material form:
solid: particulate/powder

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
occlusive
Preparation of test site:
shaved
Vehicle:
water
Amount / concentration applied:
0.5 g
Duration of treatment / exposure:
4 h
Observation period:
72 h
Number of animals:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
24 h
Score:
>= 1 - <= 4
Max. score:
2
Reversibility:
fully reversible
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
72 h
Score:
>= 0 - <= 1
Max. score:
0.6
Reversibility:
fully reversible

Applicant's summary and conclusion

Interpretation of results:
Category 2 (irritant) based on GHS criteria