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EC number: 274-426-2 | CAS number: 70210-30-9
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Endpoint summary
Administrative data
Description of key information
Skin Irritation:
The dermal irritation potential of Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] was estimated using OECD QSAR toolbox version 3.4 with logPow as the primary descriptor.
Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] was estimated to be not irritating to the skin of New Zealand White rabbits.
Based on the estimated result; Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] can be considered not irritating to skin and can be classified under the category “Not Classified” as per CLP regulation.
Eye Irritation:
The ocular irritation potential of Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] was estimated using OECD QSAR toolbox version 3.4 with logPow as the primary descriptor.
Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] was estimated to be not irritating to the eyes of New Zealand White rabbits.
Based on the estimated result; Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] can be considered not irritating to the eyes and can be classified under the category “Not Classified” as per CLP regulation.
Key value for chemical safety assessment
Skin irritation / corrosion
Link to relevant study records
- Endpoint:
- skin irritation: in vivo
- Type of information:
- (Q)SAR
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- results derived from a valid (Q)SAR model and falling into its applicability domain, with limited documentation / justification
- Justification for type of information:
- data is from OECD QSAR toolbox v3.4 and the QMRF report has been attached
- Qualifier:
- according to guideline
- Guideline:
- other: Estimated data
- Principles of method if other than guideline:
- Prediction was done using OECD QSAR toolbox v 3.3
- GLP compliance:
- not specified
- Specific details on test material used for the study:
- - Name of test material: Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate]
- IUPAC name: Tetrasodium 2-[(E)-2-{2-acetamido-4-[4-({3-acetamido-4-[(E)-2-{2-sulfonato-4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl} diazen-1-yl]phenyl}carbamoyl)benzamido]phenyl}diazen-1-yl]-5-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]benzene-1-sulfonate
- Molecular formula: C48H34N12Na4O16S4
- Molecular weight: 1255.09 g/mole
- Smiles : [Na+].[Na+].[Na+].[Na+].c1(ccc(cc1)C(=O)Nc1cc(c(cc1)\N=N\c1c(cc(cc1)\N=N\c1ccc(cc1)S(=O)(=O)[O-])S(=O)(=O)[O-])NC(=O)C)C (=O)Nc1cc(c(cc1)\N=N\c1c(cc(cc1)\N=N\c1ccc(cc1)S(=O)(=O)[O-])S(=O)(=O)[O-])NC(=O)C
- InChl: 1S/C48H38N12O16S4.4Na/c1-27(61)49-43-23-33(11-19-39(43)57-59-41-21-13-35(25-45(41)79(71,72)73)55-53-31-7-15-37(16-8-31) 77(65,66)67)51-47(63)29-3-5-30(6-4-29)48(64)52-34-12-20-40(44(24-34)50-28(2)62)58-60-42-22-14-36(26-46(42)80(74,75)76)56-54-32-9-17-38(18-10-32)78(68,69)70;;;;/h3-26H,1-2H3,(H,49,61)(H,50,62)(H,51,63)(H,52,64)(H,65,66,67)(H,68,69,70)(H,71,72,73)(H,74,75,76);;;;/q;4*+1/p-4/b55-53+,56-54+,59-57+,60-58+;;;;
- Substance type: Organic
- Physical state: Solid - Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or test system and environmental conditions:
- no data available
- Type of coverage:
- occlusive
- Preparation of test site:
- shaved
- Vehicle:
- not specified
- Controls:
- not specified
- Amount / concentration applied:
- 0.5 g
- Duration of treatment / exposure:
- 24 hours
- Observation period:
- 7 days
- Number of animals:
- 2
- Details on study design:
- no data availableo
- Irritation parameter:
- overall irritation score
- Basis:
- mean
- Time point:
- 7 d
- Reversibility:
- not specified
- Remarks on result:
- no indication of irritation
- Irritant / corrosive response data:
- No signs of irritation observed
- Interpretation of results:
- other: not irritating
- Conclusions:
- Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] was estimated to be not irritating to the skin of New Zealand White rabbits.
- Executive summary:
The dermal irritation potential of Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] was estimated using OECD QSAR toolbox version 3.4 with logPow as the primary descriptor.
Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] was estimated to be not irritating to the skin of New Zealand White rabbits.
Based on the estimated result; Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] can be considered not irritating to skin and can be classified under the category “Not Classified” as per CLP regulation
Reference
Estimation
method: Takes mode value from the 5 nearest neighbours
Domain logical expression:Result: In Domain
((((((("a"
or "b" or "c" or "d" or "e" )
and ("f"
and (
not "g")
)
)
and ("h"
and (
not "i")
)
)
and ("j"
and (
not "k")
)
)
and ("l"
and (
not "m")
)
)
and "n" )
and ("o"
and "p" )
)
Domain
logical expression index: "a"
Referential
boundary: The
target chemical should be classified as Non-covalent interaction AND
Non-covalent interaction >> DNA intercalation AND Non-covalent
interaction >> DNA intercalation >> DNA Intercalators with Carboxamide
and Aminoalkylamine Side Chain by DNA binding by OASIS v.1.4
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 azo by DNA
binding by OECD
Domain
logical expression index: "c"
Referential
boundary: The
target chemical should be classified as Acylation AND Acylation >>
Acylation involving an activated (glucuronidated) carboxamide group AND
Acylation >> Acylation involving an activated (glucuronidated)
carboxamide group >> Carboxylic Acid Amides AND Acylation >> Direct
acylation involving a leaving group AND Acylation >> Direct acylation
involving a leaving group >> Carboxylic Acid Amides AND Acylation >>
Ester aminolysis AND Acylation >> Ester aminolysis >> Amides AND AN2 AND
AN2 >> Michael-type addition to quinoid structures AND AN2 >>
Michael-type addition to quinoid structures >> Carboxylic Acid Amides
by Protein binding by OASIS v1.4
Domain
logical expression index: "d"
Referential
boundary: The
target chemical should be classified as Acylation AND Acylation >>
Direct Acylation Involving a Leaving group AND Acylation >> Direct
Acylation Involving a Leaving group >> Acetates by Protein binding by
OECD
Domain
logical expression index: "e"
Referential
boundary: The
target chemical should be classified as Acid moiety AND Amides AND Salt
by Aquatic toxicity classification by ECOSAR
Domain
logical expression index: "f"
Referential
boundary: The
target chemical should be classified as Non-covalent interaction AND
Non-covalent interaction >> DNA intercalation AND Non-covalent
interaction >> DNA intercalation >> DNA Intercalators with Carboxamide
and Aminoalkylamine Side Chain by DNA binding by OASIS v.1.4
Domain
logical expression index: "g"
Referential
boundary: The
target chemical should be classified as AN2 OR AN2 >> Michael-type
addition, quinoid structures OR AN2 >> Michael-type addition, quinoid
structures >> Quinones and Trihydroxybenzenes OR AN2 >> Carbamoylation
after isocyanate formation OR AN2 >> Carbamoylation after isocyanate
formation >> N-Hydroxylamines OR AN2 >> Michael-type addition on alpha,
beta-unsaturated carbonyl compounds OR AN2 >> Michael-type addition on
alpha, beta-unsaturated carbonyl compounds >> Four- and Five-Membered
Lactones OR AN2 >> Schiff base formation OR AN2 >> Schiff base formation
>> Dicarbonyl compounds OR AN2 >> Schiff base formation >> Polarized
Haloalkene Derivatives OR AN2 >> Schiff base formation by aldehyde
formed after metabolic activation OR AN2 >> Schiff base formation by
aldehyde formed after metabolic activation >> Geminal Polyhaloalkane
Derivatives OR AN2 >> Shiff base formation after aldehyde release OR AN2
>> Shiff base formation after aldehyde release >> Specific Acetate
Esters OR AN2 >> Thioacylation via nucleophilic addition after
cysteine-mediated thioketene formation OR AN2 >> Thioacylation via
nucleophilic addition after cysteine-mediated thioketene formation >>
Haloalkenes with Electron-Withdrawing Groups OR AN2 >> Thioacylation via
nucleophilic addition after cysteine-mediated thioketene formation >>
Polarized Haloalkene Derivatives OR No alert found OR Non-covalent
interaction >> DNA intercalation >> Amino Anthraquinones OR Non-covalent
interaction >> DNA intercalation >> Coumarins OR Non-covalent
interaction >> DNA intercalation >> Fused-Ring Primary Aromatic Amines
OR Non-covalent interaction >> DNA intercalation >> N-Hydroxyethyl
Lactams OR Non-covalent interaction >> DNA intercalation >> Organic
Azides OR Non-covalent interaction >> DNA intercalation >> Polycyclic
Aromatic Hydrocarbon and Naphthalenediimide Derivatives OR Non-covalent
interaction >> DNA intercalation >> Quinones and Trihydroxybenzenes OR
Non-specific OR Non-specific >> Incorporation into DNA/RNA, due to
structural analogy with nucleoside bases OR Non-specific >>
Incorporation into DNA/RNA, due to structural analogy with nucleoside
bases >> Specific Imine and Thione Derivatives OR Radical OR Radical
>> Generation of ROS by glutathione depletion (indirect) OR Radical >>
Generation of ROS by glutathione depletion (indirect) >> Haloalkanes
Containing Heteroatom OR Radical >> Radical mechanism by ROS formation
OR Radical >> Radical mechanism by ROS formation >> Organic Azides OR
Radical >> Radical mechanism via ROS formation (indirect) OR Radical >>
Radical mechanism via ROS formation (indirect) >> Amino Anthraquinones
OR Radical >> Radical mechanism via ROS formation (indirect) >>
Coumarins OR Radical >> Radical mechanism via ROS formation (indirect)
>> Fused-Ring Primary Aromatic Amines OR Radical >> Radical mechanism
via ROS formation (indirect) >> Geminal Polyhaloalkane Derivatives OR
Radical >> Radical mechanism via ROS formation (indirect) >>
N-Hydroxylamines OR Radical >> Radical mechanism via ROS formation
(indirect) >> Nitro Azoarenes OR Radical >> Radical mechanism via ROS
formation (indirect) >> Nitroaniline Derivatives OR Radical >> Radical
mechanism via ROS formation (indirect) >> Nitroarenes with Other Active
Groups OR Radical >> Radical mechanism via ROS formation (indirect) >>
Nitrophenols, Nitrophenyl Ethers and Nitrobenzoic Acids OR Radical >>
Radical mechanism via ROS formation (indirect) >> p-Substituted
Mononitrobenzenes OR Radical >> Radical mechanism via ROS formation
(indirect) >> Quinones and Trihydroxybenzenes OR Radical >> Radical
mechanism via ROS formation (indirect) >> Single-Ring Substituted
Primary Aromatic Amines OR Radical >> Radical mechanism via ROS
formation (indirect) >> Specific Imine and Thione Derivatives OR SN1 OR
SN1 >> Alkylation after metabolically formed carbenium ion species OR
SN1 >> Alkylation after metabolically formed carbenium ion species >>
Polycyclic Aromatic Hydrocarbon and Naphthalenediimide Derivatives OR
SN1 >> Nucleophilic attack after carbenium ion formation OR SN1 >>
Nucleophilic attack after carbenium ion formation >> Specific Acetate
Esters OR SN1 >> Nucleophilic attack after diazonium or carbenium ion
formation OR SN1 >> Nucleophilic attack after diazonium or carbenium ion
formation >> Nitroarenes with Other Active Groups OR SN1 >> Nucleophilic
attack after metabolic nitrenium ion formation OR SN1 >> Nucleophilic
attack after metabolic nitrenium ion formation >> Amino Anthraquinones
OR SN1 >> Nucleophilic attack after metabolic nitrenium ion formation >>
Fused-Ring Primary Aromatic Amines OR SN1 >> Nucleophilic attack after
nitrene formation OR SN1 >> Nucleophilic attack after nitrene formation
>> Organic Azides OR SN1 >> Nucleophilic attack after nitrenium ion
formation OR SN1 >> Nucleophilic attack after nitrenium ion formation >>
N-Hydroxylamines OR SN1 >> Nucleophilic attack after nitrenium ion
formation >> Single-Ring Substituted Primary Aromatic Amines OR SN1 >>
Nucleophilic attack after reduction and nitrenium ion formation OR SN1
>> Nucleophilic attack after reduction and nitrenium ion formation >>
Nitro Azoarenes OR SN1 >> Nucleophilic attack after reduction and
nitrenium ion formation >> Nitroaniline Derivatives OR SN1 >>
Nucleophilic attack after reduction and nitrenium ion formation >>
Nitroarenes with Other Active Groups OR SN1 >> Nucleophilic attack after
reduction and nitrenium ion formation >> Nitrophenols, Nitrophenyl
Ethers and Nitrobenzoic Acids OR SN1 >> Nucleophilic attack after
reduction and nitrenium ion formation >> p-Substituted Mononitrobenzenes
OR SN1 >> Nucleophilic substitution on diazonium ion OR SN1 >>
Nucleophilic substitution on diazonium ion >> Specific Imine and Thione
Derivatives OR SN2 OR SN2 >> Acylation OR SN2 >> Acylation >>
N-Hydroxylamines OR SN2 >> Acylation >> Specific Acetate Esters OR SN2
>> Acylation involving a leaving group after metabolic activation OR SN2
>> Acylation involving a leaving group after metabolic activation >>
Geminal Polyhaloalkane Derivatives OR SN2 >> Alkylation, direct acting
epoxides and related OR SN2 >> Alkylation, direct acting epoxides and
related >> Epoxides and Aziridines OR SN2 >> Alkylation, direct acting
epoxides and related after P450-mediated metabolic activation OR SN2 >>
Alkylation, direct acting epoxides and related after P450-mediated
metabolic activation >> Haloalkenes with Electron-Withdrawing Groups OR
SN2 >> Alkylation, direct acting epoxides and related after
P450-mediated metabolic activation >> Polarized Haloalkene Derivatives
OR SN2 >> Alkylation, direct acting epoxides and related after
P450-mediated metabolic activation >> Polycyclic Aromatic Hydrocarbon
and Naphthalenediimide Derivatives OR SN2 >> Alkylation, nucleophilic
substitution at sp3-carbon atom OR SN2 >> Alkylation, nucleophilic
substitution at sp3-carbon atom >> Haloalkanes Containing Heteroatom OR
SN2 >> Alkylation, nucleophilic substitution at sp3-carbon atom >>
Sulfonates and Sulfates OR SN2 >> Alkylation, ring opening SN2 reaction
OR SN2 >> Alkylation, ring opening SN2 reaction >> Four- and
Five-Membered Lactones OR SN2 >> Direct acting epoxides formed after
metabolic activation OR SN2 >> Direct acting epoxides formed after
metabolic activation >> Coumarins OR SN2 >> Direct acting epoxides
formed after metabolic activation >> Quinoline Derivatives OR SN2 >>
Direct acylation involving a leaving group OR SN2 >> Direct acylation
involving a leaving group >> Acyl Halides OR SN2 >> DNA alkylation OR
SN2 >> DNA alkylation >> Vicinal Dihaloalkanes OR SN2 >> Internal SN2
reaction with aziridinium and/or cyclic sulfonium ion formation
(enzymatic) OR SN2 >> Internal SN2 reaction with aziridinium and/or
cyclic sulfonium ion formation (enzymatic) >> Vicinal Dihaloalkanes OR
SN2 >> Nucleophilic substitution at sp3 Carbon atom OR SN2 >>
Nucleophilic substitution at sp3 Carbon atom >> Haloalkanes Containing
Heteroatom OR SN2 >> Nucleophilic substitution at sp3 Carbon atom >>
Specific Acetate Esters OR SN2 >> Nucleophilic substitution at sp3
carbon atom after thiol (glutathione) conjugation OR SN2 >> Nucleophilic
substitution at sp3 carbon atom after thiol (glutathione) conjugation >>
Geminal Polyhaloalkane Derivatives OR SN2 >> SN2 at an activated carbon
atom OR SN2 >> SN2 at an activated carbon atom >> Quinoline Derivatives
OR SN2 >> SN2 at sp3 and activated sp2 carbon atom OR SN2 >> SN2 at sp3
and activated sp2 carbon atom >> Polarized Haloalkene Derivatives OR SN2
>> SN2 at sulfur atom OR SN2 >> SN2 at sulfur atom >> Sulfonyl Halides
OR SN2 >> SN2 attack on activated carbon Csp3 or Csp2 OR SN2 >> SN2
attack on activated carbon Csp3 or Csp2 >> Nitroarenes with Other Active
Groups by DNA binding by OASIS v.1.4
Domain
logical expression index: "h"
Referential
boundary: The
target chemical should be classified as Acylation AND Acylation >>
Acylation involving an activated (glucuronidated) carboxamide group AND
Acylation >> Acylation involving an activated (glucuronidated)
carboxamide group >> Carboxylic Acid Amides AND Acylation >> Direct
acylation involving a leaving group AND Acylation >> Direct acylation
involving a leaving group >> Carboxylic Acid Amides AND Acylation >>
Ester aminolysis AND Acylation >> Ester aminolysis >> Amides AND AN2 AND
AN2 >> Michael-type addition to quinoid structures AND AN2 >>
Michael-type addition to quinoid structures >> Carboxylic Acid Amides
by Protein binding by OASIS v1.4
Domain
logical expression index: "i"
Referential
boundary: The
target chemical should be classified as Acylation >> Acylation involving
an activated (glucuronidated) ester group OR Acylation >> Acylation
involving an activated (glucuronidated) ester group >> Arenecarboxylic
Acid Esters OR Acylation >> Acylation involving an activated
(glucuronidated) sulfonamide group OR Acylation >> Acylation involving
an activated (glucuronidated) sulfonamide group >> Arenesulfonamides OR
AN2 >> Michael-type addition to quinoid structures >> Substituted
Anilines OR AN2 >> Michael-type addition to quinoid structures >>
Substituted Phenols OR AN2 >> Nucleophilic addition at polarized
N-functional double bond OR AN2 >> Nucleophilic addition at polarized
N-functional double bond >> Arenesulfonamides OR Schiff base formation
OR Schiff base formation >> Schiff base formation with carbonyl
compounds OR Schiff base formation >> Schiff base formation with
carbonyl compounds >> Aldehydes OR SN2 OR SN2 >> Interchange reaction
with sulphur containing compounds OR SN2 >> Interchange reaction with
sulphur containing compounds >> Thiols and disulfide compounds by
Protein binding by OASIS v1.4
Domain
logical expression index: "j"
Referential
boundary: The
target chemical should be classified as Inclusion rules not met by Skin
irritation/corrosion Inclusion rules by BfR
Domain
logical expression index: "k"
Referential
boundary: The
target chemical should be classified as Esters of organic sulfonic or
sulfuric esters OR Ketones OR Phenols by Skin irritation/corrosion
Inclusion rules by BfR
Domain
logical expression index: "l"
Referential
boundary: The
target chemical should be classified as Group 1 - Alkali Earth
Li,Na,K,Rb,Cs,Fr AND Group 14 - Carbon C AND Group 15 - Nitrogen N AND
Group 16 - Oxygen O AND Group 16 - Sulfur S by Chemical elements
Domain
logical expression index: "m"
Referential
boundary: The
target chemical should be classified as Group 17 - Halogens I by
Chemical elements
Domain
logical expression index: "n"
Similarity
boundary:Target:
CC(=O)Nc1cc(NC(=O)c2ccc(C(=O)Nc3ccc(N=Nc4ccc(N=Nc5ccc(S(=O)(=O)O{-}.[Na]{+})cc5)cc4S(=O)(=O)O{-}.[Na]{+})c(NC(C)=O)c3)cc2)ccc1N=Nc1ccc(N=Nc2ccc(S(=O)(=O)O{-}.[Na]{+})cc2)cc1S(=O)(=O)O{-}.[Na]{+}
Threshold=40%,
Dice(Atom centered fragments)
Atom type; Count H attached; Hybridization
Domain
logical expression index: "o"
Parametric
boundary:The
target chemical should have a value of log Kow which is >= 0.00691
Domain
logical expression index: "p"
Parametric
boundary:The
target chemical should have a value of log Kow which is <= 3.1
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed (not irritating)
Eye irritation
Link to relevant study records
- Endpoint:
- eye irritation: in vivo
- Type of information:
- (Q)SAR
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- results derived from a valid (Q)SAR model and falling into its applicability domain, with limited documentation / justification
- Justification for type of information:
- data is from OECD QSAR toolbox v3.4 and the QMRF report has been attached
- Qualifier:
- according to guideline
- Guideline:
- other: Estimated data
- Principles of method if other than guideline:
- Prediction was done using OECD QSAR toolbox v3.4
- GLP compliance:
- not specified
- Specific details on test material used for the study:
- - Name of test material: Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate]
- IUPAC name: Tetrasodium 2-[(E)-2-{2-acetamido-4-[4-({3-acetamido-4-[(E)-2-{2-sulfonato-4-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]phenyl} diazen-1-yl]phenyl}carbamoyl)benzamido]phenyl}diazen-1-yl]-5-[(E)-2-(4-sulfonatophenyl)diazen-1-yl]benzene-1-sulfonate
- Molecular formula: C48H34N12Na4O16S4
- Molecular weight: 1255.09 g/mole
- Smiles : [Na+].[Na+].[Na+].[Na+].c1(ccc(cc1)C(=O)Nc1cc(c(cc1)\N=N\c1c(cc(cc1)\N=N\c1ccc(cc1)S(=O)(=O)[O-])S(=O)(=O)[O-])NC(=O)C)C (=O)Nc1cc(c(cc1)\N=N\c1c(cc(cc1)\N=N\c1ccc(cc1)S(=O)(=O)[O-])S(=O)(=O)[O-])NC(=O)C
- InChl: 1S/C48H38N12O16S4.4Na/c1-27(61)49-43-23-33(11-19-39(43)57-59-41-21-13-35(25-45(41)79(71,72)73)55-53-31-7-15-37(16-8-31) 77(65,66)67)51-47(63)29-3-5-30(6-4-29)48(64)52-34-12-20-40(44(24-34)50-28(2)62)58-60-42-22-14-36(26-46(42)80(74,75)76)56-54-32-9-17-38(18-10-32)78(68,69)70;;;;/h3-26H,1-2H3,(H,49,61)(H,50,62)(H,51,63)(H,52,64)(H,65,66,67)(H,68,69,70)(H,71,72,73)(H,74,75,76);;;;/q;4*+1/p-4/b55-53+,56-54+,59-57+,60-58+;;;;
- Substance type: Organic
- Physical state: Solid - Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or tissues and environmental conditions:
- no data available
- Vehicle:
- not specified
- Controls:
- not specified
- Amount / concentration applied:
- 100mg
- Duration of treatment / exposure:
- 24 hours
- Observation period (in vivo):
- 72 hours
- Duration of post- treatment incubation (in vitro):
- no data available
- Number of animals or in vitro replicates:
- 6
- Details on study design:
- no data available
- Irritation parameter:
- overall irritation score
- Basis:
- mean
- Time point:
- 72 h
- Reversibility:
- not specified
- Remarks on result:
- no indication of irritation
- Irritant / corrosive response data:
- no signs of irritation observed
- Interpretation of results:
- other: not irritating
- Conclusions:
- Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] was estimated to be not irritating to the eyes of New Zealand White rabbits.
- Executive summary:
The ocular irritation potential of Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] was estimated using OECD QSAR toolbox version 3.4 with logPow as the primary descriptor.
Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] was estimated to be not irritating to the eyes of New Zealand White rabbits.
Based on the estimated result; Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] can be considered not irritating to the eyes and can be classified under the category “Not Classified” as per CLP regulation.
Reference
Estimation
method: Takes mode value from the 9 nearest neighbours
Domain logical expression:Result: In Domain
((((((("a"
or "b" or "c" or "d" or "e" )
and ("f"
and (
not "g")
)
)
and ("h"
and (
not "i")
)
)
and ("j"
and (
not "k")
)
)
and ("l"
and (
not "m")
)
)
and ("n"
and (
not "o")
)
)
and ("p"
and "q" )
)
Domain
logical expression index: "a"
Referential
boundary: The
target chemical should be classified as Non-covalent interaction AND
Non-covalent interaction >> DNA intercalation AND Non-covalent
interaction >> DNA intercalation >> DNA Intercalators with Carboxamide
and Aminoalkylamine Side Chain by DNA binding by OASIS v.1.4
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 azo by DNA
binding by OECD
Domain
logical expression index: "c"
Referential
boundary: The
target chemical should be classified as Acylation AND Acylation >>
Acylation involving an activated (glucuronidated) carboxamide group AND
Acylation >> Acylation involving an activated (glucuronidated)
carboxamide group >> Carboxylic Acid Amides AND Acylation >> Direct
acylation involving a leaving group AND Acylation >> Direct acylation
involving a leaving group >> Carboxylic Acid Amides AND Acylation >>
Ester aminolysis AND Acylation >> Ester aminolysis >> Amides AND AN2 AND
AN2 >> Michael-type addition to quinoid structures AND AN2 >>
Michael-type addition to quinoid structures >> Carboxylic Acid Amides
by Protein binding by OASIS v1.4
Domain
logical expression index: "d"
Referential
boundary: The
target chemical should be classified as Acylation AND Acylation >>
Direct Acylation Involving a Leaving group AND Acylation >> Direct
Acylation Involving a Leaving group >> Acetates by Protein binding by
OECD
Domain
logical expression index: "e"
Referential
boundary: The
target chemical should be classified as Acid moiety AND Amides AND Salt
by Aquatic toxicity classification by ECOSAR
Domain
logical expression index: "f"
Referential
boundary: The
target chemical should be classified as SN1 AND SN1 >> Nitrenium Ion
formation AND SN1 >> Nitrenium Ion formation >> Aromatic azo by DNA
binding by OECD
Domain
logical expression index: "g"
Referential
boundary: The
target chemical should be classified as Acylation OR Acylation >> Direct
Addition of an Acyl Halide OR Acylation >> Direct Addition of an Acyl
Halide >> Acyl halide OR Acylation >> P450 Mediated Activation to
Isocyanates or Isothiocyanates OR Acylation >> P450 Mediated Activation
to Isocyanates or Isothiocyanates >> Formamides OR Michael addition OR
Michael addition >> P450 Mediated Activation of Heterocyclic Ring
Systems OR Michael addition >> P450 Mediated Activation of Heterocyclic
Ring Systems >> Furans OR Michael addition >> P450 Mediated Activation
to Quinones and Quinone-type Chemicals OR Michael addition >> P450
Mediated Activation to Quinones and Quinone-type Chemicals >> Alkyl
phenols OR Michael addition >> P450 Mediated Activation to Quinones and
Quinone-type Chemicals >> Arenes OR Michael addition >> P450 Mediated
Activation to Quinones and Quinone-type Chemicals >> Hydroquinones OR
Michael addition >> Polarised Alkenes-Michael addition OR Michael
addition >> Polarised Alkenes-Michael addition >> Alpha, beta-
unsaturated amides OR Michael addition >> Polarised Alkenes-Michael
addition >> Alpha, beta- unsaturated esters OR Michael addition >>
Polarised Alkenes-Michael addition >> Alpha, beta- unsaturated ketones
OR No alert found OR Schiff base formers OR Schiff base formers >>
Chemicals Activated by P450 to Glyoxal OR Schiff base formers >>
Chemicals Activated by P450 to Glyoxal >> Ethanolamines (including
morpholine) OR SN1 >> Carbenium Ion Formation OR SN1 >> Carbenium Ion
Formation >> Allyl benzenes OR SN1 >> Iminium Ion Formation OR SN1 >>
Iminium Ion Formation >> Aliphatic tertiary amines OR SN1 >> Nitrenium
Ion formation >> Aromatic nitro OR SN1 >> Nitrenium Ion formation >>
Aromatic phenylureas OR SN1 >> Nitrenium Ion formation >> Primary
(unsaturated) heterocyclic amine OR SN1 >> Nitrenium Ion formation >>
Primary aromatic amine OR SN1 >> Nitrenium Ion formation >> Tertiary
aromatic amine OR SN1 >> Nitrenium Ion formation >> Unsaturated
heterocyclic azo OR SN2 OR SN2 >> P450 Mediated Epoxidation OR SN2 >>
P450 Mediated Epoxidation >> Coumarins OR SN2 >> SN2 at an sp3 Carbon
atom OR SN2 >> SN2 at an sp3 Carbon atom >> Aliphatic halides OR SN2 >>
SN2 at an sp3 Carbon atom >> Sulfonates by DNA binding by OECD
Domain
logical expression index: "h"
Referential
boundary: The
target chemical should be classified as No alert found by Protein
binding alerts for Chromosomal aberration by OASIS v.1.2
Domain
logical expression index: "i"
Referential
boundary: The
target chemical should be classified as Acylation OR Acylation >>
Acylation involving an activated (glucuronidated) carboxamide group OR
Acylation >> Acylation involving an activated (glucuronidated)
carboxamide group >> Carboxylic Acid Amides OR Acylation >> Direct
acylation involving a leaving group OR Acylation >> Direct acylation
involving a leaving group >> Carboxylic Acid Amides OR AN2 OR AN2 >>
Michael addition to the quinoid type structures OR AN2 >> Michael
addition to the quinoid type structures >> Carboxylic Acid Amides OR AN2
>> Michael addition to the quinoid type structures >> N-Subsituted
Aromatic Amines by Protein binding alerts for Chromosomal aberration by
OASIS v.1.2
Domain
logical expression index: "j"
Referential
boundary: The
target chemical should be classified as Alkali Earth AND Non-Metals by
Groups of elements
Domain
logical expression index: "k"
Referential
boundary: The
target chemical should be classified as Alkaline Earth OR Halogens OR
Transition Metals by Groups of elements
Domain
logical expression index: "l"
Referential
boundary: The
target chemical should be classified as Aryl AND Azo AND Benzamide AND
Organic amide and thioamide AND Sulfonic acid by Organic Functional
groups
Domain
logical expression index: "m"
Referential
boundary: The
target chemical should be classified as Alkyl arenes by Organic
Functional groups
Domain
logical expression index: "n"
Referential
boundary: The
target chemical should be classified as Aryl AND Azo AND Benzamide AND
Organic amide and thioamide AND Sulfonic acid by Organic Functional
groups
Domain
logical expression index: "o"
Referential
boundary: The
target chemical should be classified as Triazine by Organic Functional
groups
Domain
logical expression index: "p"
Parametric
boundary:The
target chemical should have a value of log Kow which is >= 0.295
Domain
logical expression index: "q"
Parametric
boundary:The
target chemical should have a value of log Kow which is <= 4.84
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed (not irritating)
Respiratory irritation
Endpoint conclusion
- Endpoint conclusion:
- no study available
Additional information
Skin irritation:
Various studies have been investigated to ascertain the dermal irritation potential of chemical, Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate]. These include in vivo experiments in rabbits for the target chemical as well as its structurally similar read across chemicals ,Copper,[tetrahydrogen-3,3'-[(3,3'-dihydroxy-4,4'-biphenylylene)bis(azo)]bis[5-amino-4-hydroxy-2,7-naphthalenedisulfonato](4-)]di-,tetrasodium salt (7CI)(C.I Direct Blue 218)[CAS:28407-37-6], trisodium 5-amino-3-[(E)-2-(4-{4-[(E)-2-(7-amino-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazen-1-yl]phenyl}phenyl)diazen-1-yl]-4-hydroxynaphthalene-2,7-disulfonate(Chlorazol Black BH)[CAS: 2429-73-4] andDisodium 6-hydroxy-5-[(4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate(Sunset Yellow FCF)[CAS: 2783-94-0]. The experimental results have also been compared with the predictions obtained from OECD QSAR toolbox.
In a prediction done by SSS (2018) using the OECD QSAR toolbox v3.4 with log kow as the primary descriptor, the skin irritation potential was estimated for test chemical, Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate]. Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2 -acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] was estimated to be not irritating to skin of New Zealand White rabbits.
A study was performed (Hazardous Substances Databank [HSDB], U.S National Library of Medicine, last updated 2003) in rabbits to determine the dermal irritation potential of thestructurally similar read across chemicals,Copper,[tetrahydrogen-3,3'-[(3,3'-dihydroxy-4,4'-biphenylylene)bis(azo)]bis[5-amino-4-hydroxy-2,7-naphthalenedisulfonato](4-)]di-,tetrasodium salt (7CI)(C.I Direct Blue 218)[CAS:28407-37-6]. The study was conducted as per 16 CFR 1500.41 &16 CFR 1500.3 Guidelines.6 New Zealand white rabbits were used for the study. After at least seven days of equilibration, the back and sides of each rabbit were clipped free of fur with an electric clipper. Rabbits with dermal lesions or irritation were replaced. One day after clipping, the left side of the spinal column was abraded (minor incisions which did not disturb the derma or produce bleeding). 0.5 g of the test material was applied to the intact and abraded skin of the back of the rabbits. The material was covered with dry surgical gauze, one inch square, two layers thick. The patches were secured with adhesive tape; the trunk was wrapped with impervious material. After 24 hours, the patches were removed. The dermal reactions were scored by the Draize technique at 24 and 72 hours. The primary dermal index was calculated.
No signs of erythema or edema were observed on the intact and abraded skin of the 6 rabbits after 24 and 72 hours of patch removal.
The Primary Irritation Index was calculated to be 0.0.
Based on the scores and observations, it was concluded that C.I. Direct Blue 218 [CAS: 28407-37-6] was not irritating to skin.
The above studies are further supported by the experimental study summarized in BIBRA Report (1995), (Order No. BIBRA196GAR), 6 pp, for the structurally similar read across chemical, Disodium 6-hydroxy-5-[(4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate(Sunset Yellow FCF)[CAS: 2783-94-0]. Sunset Yellow FCF in petrolatum or as a aqueous solution was applied to the skin of rabbits and observed for signs of irritation (duration, dose, number of animals not mentioned). Sunset Yellow FCF did not cause any irritation to rabbit skin.
Hence, Sunset Yellow FCF can be considered to be not irritating to skin.
These results are also supported by the study summarized in OTS0215154, NTRL report, last updated 1983; for the structurally similar read across chemical,trisodium 5-amino-3-[(E)-2-(4-{4-[(E)-2-(7-amino-1-hydroxy-3-sulfonatonaphthalen-2-yl)diazen-1-yl]phenyl}phenyl)diazen-1-yl]-4-hydroxynaphthalene-2,7-disulfonate(Chlorazol Black BH)[CAS: 2429-73-4].6 New Zealand white rabbits were used for the study. The backs of the animals were clipped free of hair and the skin examined before testing. Only those animals without skin defects or irritation were used. Abrasions (minor incisions through the stratum corneum, but not sufficiently deep to disturb the derma) were made on one area of the backs while other area was left intact. The animals were immobilized in animal holders. 0.5 gm of a 50% w/v aqueous dilution of Chlorazol Black BH was applied under each of two one-inch square gauze patches to the prepared areas on the back of the animals. After the patches had been secured by adhesive tape, the entire trunk of each animal was wrapped with a plastic binder to keep the material in position and in contact with the skin for 24 hours. Following the 24 hours of exposure, the patches were removed; any remaining material was washed off the treated areas. The test sites were observed at 24 and 72 hours after removal of patches. The dermal reactions were scored by the Draize technique at 24, 72 hours and the Primary Irritation Index (PII) was calculated. The average values for erythema and eschar formation at 24 hours and 72 hours for the intact skin areas of exposure were added to the average values of the abraded skin areas of exposure at 24 hours and 72 hours (four values). Similarly, the average values for edema formation at 24 hours and at 72 hours for the intact and abraded skin areas of exposure were added (four values). The Primary Irritation Index is the total of the eight average values divided by four. According to the F.H.S.A method of testing, a Primary Irritant is a substance which produces a skin reaction resulting in a score of five or greater.
Chlorazol Black BH [CAS: 2429-73-4] when applied as a 50% w/v suspension with deionized water to the intact and abraded skin of New Zealand albino rabbits produced mild skin damage (abraded skin only) which persisted till 72 hours. No gross signs of local irritation were observed in the intact skin throughout the study. A deep bluish- purple was present at the abrasion of each animal at each reading; a light stain of similar color of the intact skin was observed at the 24-hour reading (all animals) and 48 hour reading (4 animals).
The Primary Irritation Index was calculated to be 0.50.According to F.H.S.A method of testing, Chlorazol Black BH [CAS: 2429-73-4] was considered to be not irritating to skin.
Based on the available data for the target and applying the weight of evidence approach, Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4 -sulphonatophenyl)azo] benzenesulphonate] was considered not irritating to skin.Comparing the above annotations with the criteria of CLP regulation, test chemical can be classified under the category “Not Classified”.
Eye Irritation:
Various studies have been investigated to ascertain the ocular irritation potential of chemical, Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5 -[(4-sulphonatophenyl)azo] benzenesulphonate]. These include in vivo experiments in rabbits for the target chemical as well as its structurally similar read across chemicals, Trisodium 5-hydroxy-1-(4-sulphophenyl)-4-(4-sulphophenylazo)pyrazole-3-carboxylate(Tartrazine)[CAS: 1934-21-0] and Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-nitro-, disodium salt, reaction products with 4-[(4-aminophenyl)azo]benzenesulfonic acid, sodium salts(C.I. Direct Orange 39)[CAS: 1325-54-8]. The experimental results have also been compared with the predictions obtained from OECD QSAR toolbox.
In a prediction done by SSS (2018) using the OECD QSAR toolbox v3.4 with log kow as the primary descriptor, the eye irritation potential was estimated for test chemical, Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate]. Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2 -acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] was estimated to be not irritating to eyes of New Zealand White rabbits.
A study was performed by S.D. Gettings et.al, 1992 to determine the ocular irritation potential of the structurally similar read across chemical,Trisodium 5-hydroxy-1-(4-sulphophenyl)-4 -(4-sulphophenylazo)pyrazole-3-carboxylate(Tartrazine)[CAS: 1934-21-0].The study was performed according to a modification of the Draize test (Draize, 1959).
Tartrazine (FD & C Yellow No. 5) was prepared daily as a 3% (w/v) suspension in aqueous vehicle containing 0.5% (w/v) hydroxypropyl methylcellulose and 0.25% (w/v) laureth -10 acetate. Tartrazine (FD & C Yellow No. 5) 3% w/v in aqueous vehicle was administered once daily, for a total of 21 days, to the conjunctival sac of the right eye of New Zealand White Rabbits (6 of each sex/ group) at a dose volume of 30µl. Control animals (6 of each sex) received 30/µl of the vehicle daily. Ocular irritation was determined according to a modification of the Draize test (Draize, 1959). Interpretation of observations and assignment of scores were consistent with those described by the Consumer Product Safety Commission (1972).All eyes were scored for ocular irritation pretest (8 days, 24 hr and immediately prior to the initial dose) and approximately 24 hr after each treatment, prior to the next instillation of test material; on days 1, 3, 7, 14 and 21, the eyes were also evaluated for irritation 1 hr after treatment. In addition, all readily observable ocular structures were evaluated for eye stain and particle embedment 24 hr after each treatment.
No lethality or significant clinical signs, and no substance-related weight change were observed. Except slight conjunctival redness or discharge, that were seen sporadically in the eyes of the animals, all animals were free of significant signs of ocular irritation. No significant signs of eye staining or particle depositions were observed. At ophthalmoscopic examinations, no ocular abnormities were noticed.
Hence, FD&C Yellow No.5 (tartrazine) was not expected to cause any irritant effects following repeated exposure to rabbit eyes.
The above results are supported by the experimental study summarized in Scientific Committee on Cosmetology (seventh series),1988; for the structurally similar read across chemical,Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-nitro-, disodium salt, reaction products with 4-[(4-aminophenyl)azo]benzenesulfonic acid, sodium salts(C.I. Direct Orange 39)[CAS: 1325-54-8].
0.1 ml of 2% aqueous solution of C.I. Direct Orange 39[CAS: 1325-54-8] was instilled in the eyes of guinea pigs and observed for effects (dose duration and observation period not mentioned).
No signs of irritation were observed when guinea pigs were exposed to 2% aqueous solution of C.I. Direct Orange 39[CAS: 1325-54-8].
Hence, C.I. Direct Orange 39[CAS: 1325-54-8] can be considered to be not irritating to eyes.
Based on the available data for the target and applying the weight of evidence approach, Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] was considered not irritating to eyes.Comparing the above annotations with the criteria of CLP regulation, test chemical can be classified under the category “Not Classified”.
Justification for classification or non-classification
Available data for Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] indicates that it is not likely to cause severe irritation or corrosion to eyes and skin.
Hence, Tetrasodium 2,2'-[1,4-phenylenebis[carbonylimino[2-acetamido-4,1-phenylene]azo]]bis[5-[(4-sulphonatophenyl)azo] benzenesulphonate] can be classified under the category “Not Classified” for skin and eye irritation as per CLP regulation.
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