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Skin irritation / corrosion

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Administrative data

Endpoint:
skin irritation: in vivo
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: Predicted data
Title:
[R]: not irritating; Estimation for Irritation / Corrosion for CAS 94158-80-2
Author:
Sustainability Support Services (Europe) AB
Year:
2016
Bibliographic source:
SSS QSAR Prediction Team

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: As menioned below
Principles of method if other than guideline:
Prediction is done using QSAR Toolbox version 3.3
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
7-[[2-[(aminocarbonyl)amino]-4-[[4-chloro-6-[[4-[vinylsulphonyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]phenyl]azo]naphthalene-1,3,6-trisulphonic acid, sodium salt
EC Number:
303-153-4
EC Name:
7-[[2-[(aminocarbonyl)amino]-4-[[4-chloro-6-[[4-[vinylsulphonyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]phenyl]azo]naphthalene-1,3,6-trisulphonic acid, sodium salt
Cas Number:
94158-80-2
Molecular formula:
C28H22ClN9O12S4.xNa
IUPAC Name:
7-[[2-[(aminocarbonyl)amino]-4-[[4-chloro-6-[[4-[vinylsulphonyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]phenyl]azo]naphthalene-1,3,6-trisulphonic acid, sodium salt
Constituent 2
Reference substance name:
1,3,6-Naphthalenetrisulfonic acid, 7-((2-((aminocarbonyl)amino)-4-((4-chloro-6-((4-(ethenylsulfonyl)phenyl)amino)-1,3,5-triazin-2-yl)amino)phenyl)azo)-, sodium salt
IUPAC Name:
1,3,6-Naphthalenetrisulfonic acid, 7-((2-((aminocarbonyl)amino)-4-((4-chloro-6-((4-(ethenylsulfonyl)phenyl)amino)-1,3,5-triazin-2-yl)amino)phenyl)azo)-, sodium salt
Test material form:
not specified
Details on test material:
- Name of test material (as cited in study report):1,3,6-Naphthalenetrisulfonic acid, 7-((2-((aminocarbonyl)amino)-4-((4-chloro-6-((4-(ethenylsulfonyl)phenyl)amino)-1,3,5-triazin-2-yl)amino)phenyl)azo)-, sodium salt
- Molecular formula : C28H22ClN9O12S4xNa
- Molecular weight : 906.1961 gm /mol
-SMILES:C=CS(=O)(=O)c1ccc(Nc2nc(Nc3ccc(N=Nc4cc5c(cc4S(O)(=O)=O)cc(S(O)(=O)=O)cc5S(O)(=O)=O)c(NC(N)=O)c3)nc(Cl)n2)cc1

Test animals

Species:
rabbit
Strain:
New Zealand White
Details on test animals or test system and environmental conditions:
- Source: Bred on the premises of the testing laboratory
- Age at study initiation: 3 to 4 months
- Weight at study initiation: Males: 2.33 kg; Females: 2.06 kg
- Housing: Caged singly
- Diet: A commercial irradiated diet (Styles-Oxoid), ad libitum
- Water: Sterile filtered water, ad libitum
- Acclimation period: 1 week

ENVIRONMENTAL CONDITIONS
- Temperature: 20 ± 1°C
- Humidity: 50-70 %
- Photoperiod: Animals were exposed to artificial light for 10 h daily from 08.00 - 18.00 h

Test system

Type of coverage:
occlusive
Preparation of test site:
other: both abraded and intact skin areas lateral to the midline of the back
Vehicle:
water
Controls:
not specified
Amount / concentration applied:
Concentration (if solution): 66.66 %
Duration of treatment / exposure:
24 h
Observation period:
Up to 72 h (The skin reactions were assessed at 24 and 72 h)
Number of animals:
6

Results and discussion

In vivo

Results
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 24 and 72 hours
Score:
0
Reversibility:
fully reversible
Remarks on result:
other: not irritating

Any other information on results incl. tables






Estimation method: Takes mode value from the 6 nearest neighbours
Domain  logical expression:Result: In Domain

((((("a" or "b" or "c" or "d" or "e" or "f" or "g" )  and ("h" and ( not "i") )  )  and ("j" and ( not "k") )  )  and "l" )  and ("m" and "n" )  )

Domain logical expression index: "a"

Referential boundary: The target chemical should be classified as Moderate reactive AND Moderate reactive >> Activated 1,3,5-triazine derivatives AND Not possible to classify according to these rules by DPRA Cysteine peptide depletion

Domain logical expression index: "b"

Referential boundary: The target chemical should be classified as SN1 AND SN1 >> Nitrenium Ion formation AND SN1 >> Nitrenium Ion formation >> Aromatic phenylureas by DNA binding by OECD

Domain logical expression index: "c"

Referential boundary: The target chemical should be classified as Moderate reactive AND Moderate reactive >> Activated 1,3,5-triazine derivatives by DPRA Cysteine peptide depletion

Domain logical expression index: "d"

Referential boundary: The target chemical should be classified as High reactive AND High reactive >> Activated 1,3,5-triazine derivatives by DPRA Lysine peptide depletion

Domain logical expression index: "e"

Referential boundary: The target chemical should be classified as Michael addition AND Michael addition >> Michael addition on polarised Alkenes AND Michael addition >> Michael addition on polarised Alkenes >> Polarised Alkenes - sulfones  AND SNAr AND SNAr >> Nucleophilic aromatic substitution on activated aryl and heteroaryl compounds AND SNAr >> Nucleophilic aromatic substitution on activated aryl and heteroaryl compounds >> Activated aryl and heteroaryl compounds by Protein binding by OASIS v1.4

Domain logical expression index: "f"

Referential boundary: The target chemical should be classified as Michael addition AND Michael addition >> Polarised Alkenes AND Michael addition >> Polarised Alkenes >> Polarised alkene - sulfinyl AND Michael addition >> Polarised Alkenes >> Polarised alkene - sulfone AND SNAr AND SNAr >> Nucleophilic aromatic substitution AND SNAr >> Nucleophilic aromatic substitution >> Halo-triazines by Protein binding by OECD

Domain logical expression index: "g"

Referential boundary: The target chemical should be classified as Highly reactive (GSH) AND Highly reactive (GSH) >> Phenyl vinyl sulfone (MA) by Protein binding potency

Domain logical expression index: "h"

Referential boundary: The target chemical should be classified as Non binder, MW>500 by Estrogen Receptor Binding

Domain logical expression index: "i"

Referential boundary: The target chemical should be classified as Non binder, without OH or NH2 group by Estrogen Receptor Binding

Domain logical expression index: "j"

Referential boundary: The target chemical should be classified as Michael addition AND Michael addition >> Michael addition on polarised Alkenes AND Michael addition >> Michael addition on polarised Alkenes >> Polarised Alkenes - sulfones  AND SNAr AND SNAr >> Nucleophilic aromatic substitution on activated aryl and heteroaryl compounds AND SNAr >> Nucleophilic aromatic substitution on activated aryl and heteroaryl compounds >> Activated aryl and heteroaryl compounds by Protein binding by OASIS v1.4

Domain logical expression index: "k"

Referential boundary: The target chemical should be classified as AN2 OR AN2 >> Michael-type addition to quinoid structures  OR AN2 >> Michael-type addition to quinoid structures  >> Quinoneimine OR AN2 >> Michael-type addition to quinoid structures  >> Substituted Anilines OR Nucleophilic addition OR Nucleophilic addition >> Addition to carbon-hetero double bonds OR Nucleophilic addition >> Addition to carbon-hetero double bonds >> Ketones by Protein binding by OASIS v1.4

Domain logical expression index: "l"

Similarity boundary:Target: C=CS(=O)(=O)c1ccc(Nc2nc(Nc3ccc(N=Nc4cc5c(cc4S(O)(=O)=O)cc(S(O)(=O)=O)cc5S(O)(=O)=O)c(NC(N)=O)c3)nc(Cl)n2)cc1
Threshold=50%,
Dice(Atom centered fragments)
Atom type; Count H attached; Hybridization

Domain logical expression index: "m"

Parametric boundary:The target chemical should have a value of log Kow which is >= -2.99

Domain logical expression index: "n"

Parametric boundary:The target chemical should have a value of log Kow which is <= 0.624

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
The test substance 1,3,6-Naphthalenetrisulfonic acid, 7-((2-((aminocarbonyl)amino)-4-((4-chloro-6-((4-(ethenylsulfonyl)phenyl)amino)-1,3,5-triazin-2-yl)amino)phenyl)azo)-, sodium salt is estimated to be not irritating to skin of New Zealand White rabbit.
Executive summary:
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The skin irritation potential for 1,3,6-Naphthalenetrisulfonic acid, 7-((2-((aminocarbonyl)amino)-4 -((4-chloro-6- ((4- (ethenylsulfonyl)phenyl)amino) -1,3,5-triazin-2-yl)amino)phenyl)azo)-, sodium salt is estimated using OECD QSAR toolbox version 3.3. The test substance 1,3,6- Naphthalenetrisulfonic acid, 7-((2-((aminocarbonyl)amino) -4-((4-chloro-6- ((4- (ethenylsulfonyl) phenyl)amino) -1,3,5-triazin-2-yl) amino)phenyl)azo)-, sodium salt is estimated to be not irritating to skin of New Zealand White rabbit.

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