Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 sensitisation: in vivo (non-LLNA)
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Justification for type of information:
QSAR prediction: migrated from IUCLID 5.6

Data source

Reference
Reference Type:
other: Prerdicted data
Title:
[R]: Non sensitizer; Estimation for S M W N for CAS 119-70-0
Author:
Sustainability Support Services (Europe) AB
Year:
2013
Bibliographic source:
QSAR Toolbox version 3.1

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Estimated data
Principles of method if other than guideline:
The prediction is done by using QSAR Toolbox Version 3.1
GLP compliance:
no
Type of study:
guinea pig maximisation test

Test material

Constituent 1
Chemical structure
Reference substance name:
5-amino-2-(p-aminoanilino)benzenesulphonic acid
EC Number:
204-344-4
EC Name:
5-amino-2-(p-aminoanilino)benzenesulphonic acid
Cas Number:
119-70-0
Molecular formula:
C12H13N3O3S
IUPAC Name:
5-amino-2-[(4-aminophenyl)amino]benzene-1-sulfonic acid
Details on test material:
SMILES:c1(Nc2ccc(N)cc2)c(S(=O)(=O)O)cc(N)cc1

In vivo test system

Test animals

Species:
guinea pig
Strain:
not specified
Sex:
not specified

Study design: in vivo (non-LLNA)

Induction
Route:
other: unsecified
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
No. with + reactions:
0
Clinical observations:
Non-sensitizer
Remarks on result:
other: Reading: 1st reading. Group: test group. No with. + reactions: 0.0. Clinical observations: Non-sensitizer.

Any other information on results incl. tables






The prediction was based on dataset comprised from the following descriptors: "S M W N"
Estimation method: Takes highest mode value from the 3 nearest neighbours
Domain  logical expression:Result: In Domain

(((("a" and ("b" and ( not "c") )  )  and "d" )  and ("e" and ( not "f") )  )  and ("g" and "h" )  )

Domain logical expression index: "a"

Similarity boundary:Target: c1(Nc2ccc(N)cc2)c(S(=O)(=O)O)cc(N)cc1
Threshold=50%,
Dice(Atom pairs)

Domain logical expression index: "b"

Referential boundary: The target chemical should be classified as Not possible to classify according to these rules (GSH) by Protein binding potency

Domain logical expression index: "c"

Referential boundary: The target chemical should be classified as Highly reactive (GSH) OR Highly reactive (GSH) >> 3-Alken-2-ones (MA) OR Moderately reactive (GSH) OR Moderately reactive (GSH) >> 2-Vinyl carboxamides (MA) OR Moderately reactive (GSH) >> Alkyl 2-alkenoates (MA) OR Moderately reactive (GSH) >> Substituted 1-Alken-3-ones (MA) OR Moderately reactive (GSH) >> Substituted 2-Alken-1-als (MA) OR Suspect (GSH) OR Suspect (GSH) >> 2-pyranones and 2-pyridinones (MA) by Protein binding potency

Domain logical expression index: "d"

Referential boundary: The target chemical should be classified as High (Class III) by Toxic hazard classification by Cramer (with extensions)

Domain logical expression index: "e"

Referential boundary: The target chemical should be classified as No alert found by Protein binding alerts for skin sensitization by OASIS v1.1

Domain logical expression index: "f"

Referential boundary: The target chemical should be classified as Acylation OR Acylation >> Ester aminolysis or thiolysis OR Acylation >> Ester aminolysis or thiolysis >> Activated alkyl or aryl esters OR Ionic OR Ionic >> Electrostatic interaction of tetraalkylammonium ions with protein carboxylates OR Ionic >> Electrostatic interaction of tetraalkylammonium ions with protein carboxylates >> Tetraalkylammonium ions by Protein binding alerts for skin sensitization by OASIS v1.1

Domain logical expression index: "g"

Parametric boundary:The target chemical should have a value of log Kow which is >= -3.41

Domain logical expression index: "h"

Parametric boundary:The target chemical should have a value of log Kow which is <= -2.36

Applicant's summary and conclusion

Interpretation of results:
not sensitising
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
According to the quantitative structure activity relationship model prediction, 5-amino-2-(p-aminoanilino)benzenesulphonic acid was predicted as a non- sensitizing to guinea pig skin by Guinea pig maximisation test
Executive summary:

According to the quantitative structure activity relationship model prediction, 5-amino-2-(p-aminoanilino)benzenesulphonic acid was predicted as a non- sensitizing to guinea pig skin by Guinea pig maximisation test