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Diss Factsheets
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EC number: 202-669-6 | CAS number: 98-44-2
- 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
![](https://echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_toxicological-information.png)
Genetic toxicity: in vitro
Administrative data
- Endpoint:
- in vitro gene mutation study in bacteria
- Remarks:
- Type of genotoxicity: other: "Gene Mutation"
- 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: QSAR toolbox
- Title:
- R: QSAR Toolbox 2.3.0.1132 prediction for "Gene Mutation" read across evaluation for 98-44-2
- Author:
- Sustainbaility Support Services (Europe) AB
- Year:
- 2 012
- Bibliographic source:
- shri_OECD QSAR toolbox version 2.2, 2011;
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other:
- Principles of method if other than guideline:
- QSAR toolbox estimation
- GLP compliance:
- no
- Type of assay:
- bacterial reverse mutation assay
Test material
- Reference substance name:
- 2-aminobenzene-1,4-disulphonic acid
- EC Number:
- 202-669-6
- EC Name:
- 2-aminobenzene-1,4-disulphonic acid
- Cas Number:
- 98-44-2
- Molecular formula:
- C6H7NO6S2
- IUPAC Name:
- 2-aminobenzene-1,4-disulphonic acid
- Details on test material:
- SMILES:c1(S(=O)(=O)O)c(N)cc(S(=O)(=O)O)cc1
Constituent 1
Results and discussion
Test results
- Species / strain:
- S. typhimurium TA 100
- Metabolic activation:
- without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- not determined
- Vehicle controls validity:
- not applicable
- Untreated negative controls validity:
- not applicable
- Positive controls validity:
- not applicable
- Remarks on result:
- other: all strains/cell types tested
- Remarks:
- Migrated from field 'Test system'.
Any other information on results incl. tables
The prediction was based on dataset comprised from the following descriptors: "Gene mutation"
Estimation method: Taking highest mode value from the 5 nearest neighbours
Domain logical expression:Result: In Domain
((("a" and "b" ) and ("c" and ( not "d") ) ) and ("e" and "f" ) )
Domain logical expression index: "a"
Similarity boundary:Target: c1(S(=O)(=O)O)c(N)cc(S(=O)(=O)O)cc1
Threshold=50%,
Dice(Atom pairs)
Domain logical expression index: "b"
Similarity boundary:Target: c1(S(=O)(=O)O)c(N)cc(S(=O)(=O)O)cc1
Threshold=60%,
Dice(Atom pairs)
Domain logical expression index: "c"
Referential boundary: The target chemical should be classified as No alert found by DNA binding by OECD
Domain logical expression index: "d"
Referential boundary: The target chemical should be classified as Alkyl phenols OR Aromatic nitro OR Epoxides OR MA: Direct Acting Epoxides and related OR MA: Nitrenium Ion Formation OR MA: P450 Mediated Activation to Quinones and Quinone-type Chemicals OR Mechanistic Domain: Michael addition OR Mechanistic Domain: SN1 OR Mechanistic Domain: SN2 by DNA binding by OECD
Domain logical expression index: "e"
Parametric boundary:The target chemical should have a value of log Kow which is >= -3.55
Domain logical expression index: "f"
Parametric boundary:The target chemical should have a value of log Kow which is <= -2.18
Applicant's summary and conclusion
- Conclusions:
- Interpretation of results (migrated information):
negative - Executive summary:
2-aminobenzene-1,4-disulphonic acid will have no genetic toxicity effect as per QSAR prediction.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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