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EC number: 215-520-5 | CAS number: 1328-25-2 This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 65230.
- 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
Genetic toxicity: in vitro
Administrative data
- Endpoint:
- in vitro gene mutation study in bacteria
- Remarks:
- Ames test
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- 1989
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 989
- Report date:
- 1989
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 471 (Bacterial Reverse Mutation Assay)
- GLP compliance:
- yes
- Type of assay:
- bacterial reverse mutation assay
Test material
- Reference substance name:
- Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione, amino-, reaction products with 1-amino-9,10-anthracenedione and tetrabromo-8,16-pyranthrenedione
- EC Number:
- 215-520-5
- EC Name:
- Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione, amino-, reaction products with 1-amino-9,10-anthracenedione and tetrabromo-8,16-pyranthrenedione
- Cas Number:
- 1328-25-2
- Molecular formula:
- C126H58N4O10
- IUPAC Name:
- anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione, amino-, reaction products with 1-amino-9,10-anthracenedione and tetrabromo-8,16-pyranthrenedione
- Test material form:
- solid: particulate/powder
- Details on test material:
- Vat Black 9
Constituent 1
Method
- Target gene:
- histidine
Species / strain
- Species / strain / cell type:
- S. typhimurium TA 1535, TA 1537, TA 98 and TA 100
- Metabolic activation:
- with and without
- Metabolic activation system:
- S-9 fraction (rat liver homogenate)
- Test concentrations with justification for top dose:
- 0, 20, 100, 500, 2500 and 5000 µg/plate
- Vehicle / solvent:
- DMSO
Controls
- Untreated negative controls:
- yes
- Negative solvent / vehicle controls:
- yes
- Remarks:
- DMSO
- Positive controls:
- yes
- Positive control substance:
- 9-aminoacridine
- other: 2-aminoanthracene, N-methyl-N'-nitro-N-nitroso-guanidine, 4-nitro-o-phenylenediamine
- Details on test system and experimental conditions:
- METHOD OF APPLICATION:
Standard plate test
Test tubes containing 2 ml portions of soft agar which consists of 100 ml agar (0.6% agar + 0.6% NaCl) and 10 ml amino acid solution (minimal amino acid solution for the determination of mutants: 0.5 mM histidine + 0.5 mM biotin) are kept in a water bath at 45°C, and the remaining components are added in the following order:
0.1 ml test solution
0.1 ml bacterial suspension
0.5 ml S-9 mix (in tests with metabolic activation) or
0.5 ml phosphate buffer (in tests without metabolic activation)
After mixing, the samples are poured onto Vogel-Bonner agar plates (minimal glucose agar plates) within approx. 30 seconds.
Preincubation test
The experimental procedure is based on the method described by Yahagi et al. (5) and Matsushima et al. (6).
0.1 ml test solution, 0.1 ml bacterial suspension and
0.5 ml S-9 mix are incubated at 37°C for the duration of 20 minutes. Subsequently, 2 ml of soft agar is added and, after mixing, the samples are poured onto the Vogel-Bonner agar plates within approx. 30 seconds.
After incubation at 37°C for 48 hours in the dark, the bacterial colonies (his+ revertants) are counted.
- Evaluation criteria:
- Positive effects:
- doubling of the spontaneous mutation rate (control)
- dose-response relationship
- reproducibility of the results.
Results and discussion
Test resultsopen allclose all
- Key result
- Species / strain:
- S. typhimurium TA 1535
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- no cytotoxicity, but tested up to precipitating concentrations
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Key result
- Species / strain:
- S. typhimurium TA 1537
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- no cytotoxicity, but tested up to precipitating concentrations
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Key result
- Species / strain:
- S. typhimurium TA 98
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- no cytotoxicity, but tested up to precipitating concentrations
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Key result
- Species / strain:
- S. typhimurium TA 100
- Metabolic activation:
- with and without
- Genotoxicity:
- negative
- Cytotoxicity / choice of top concentrations:
- cytotoxicity
- Vehicle controls validity:
- valid
- Untreated negative controls validity:
- valid
- Positive controls validity:
- valid
- Additional information on results:
- Positive and negative controls were valid
Applicant's summary and conclusion
- Conclusions:
- Under the study conditions, the test substance was considered not to be mutagenic in Salmonella typhimurium TA98, TA100, TA1535, and TA1537.
- Executive summary:
A study was conducted to determine the mutagenic potential of the test substance according to OECD Guideline 471. Four strains of Salmonella typhimurium (TA98, TA100, TA1535 and TA1537) were exposed to the test substance at concentrations of 20 to 5000.0 µg/plate with or without metabolic activation (S-9 Mix) for 48 h.
A weakly, bacteriotoxic effect (slight decrease in the number of his+ revertants) was observed only using TA 100 in the standard plate test without S-9 mix at doses > 500 µg/plate. Incomplete solubility of test substance in DMSO was observed at from about 2500 µg/plate onward.
Negative and positive controls were valid. The test substance with and without metabolic activation did not induce mutagenic activity in bacteria. Under the study conditions, the test substance was considered not to be mutagenic.
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