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Reaction mass of 3-[(4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphtyl)amino]-N,N,N-trimethylanilinium chloride and 3-[(8-amino-dibromo-5-hydroxy-4-imino-1-oxo-1,4-dihydronaphthalenyl)amino]-N,N,N-trimethylbenzenaminium chloride and 3-[(bromo-1,4-dihydroxy-8-imino-5-oxo-5,8-dihydronaphthalenyl)amino]-N,N,N-trimethylbenzenaminium chloride
EC number: 916-466-1 | CAS number: -
- 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 vivo
Administrative data
- Endpoint:
- in vivo mammalian somatic cell study: cytogenicity / erythrocyte micronucleus
- Remarks:
- Type of genotoxicity: chromosome aberration
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 005
- Report date:
- 2005
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 474 (Mammalian Erythrocyte Micronucleus Test)
- GLP compliance:
- yes
- Type of assay:
- micronucleus assay
Test material
- Reference substance name:
- Reaction mass of 3-[(4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphtyl)amino]-N,N,N-trimethylanilinium chloride and 3-[(8-amino-dibromo-5-hydroxy-4-imino-1-oxo-1,4-dihydronaphthalenyl)amino]-N,N,N-trimethylbenzenaminium chloride and 3-[(bromo-1,4-dihydroxy-8-imino-5-oxo-5,8-dihydronaphthalenyl)amino]-N,N,N-trimethylbenzenaminium chloride
- EC Number:
- 916-466-1
- IUPAC Name:
- Reaction mass of 3-[(4-amino-6-bromo-5,8-dihydro-1-hydroxy-8-imino-5-oxo-2-naphtyl)amino]-N,N,N-trimethylanilinium chloride and 3-[(8-amino-dibromo-5-hydroxy-4-imino-1-oxo-1,4-dihydronaphthalenyl)amino]-N,N,N-trimethylbenzenaminium chloride and 3-[(bromo-1,4-dihydroxy-8-imino-5-oxo-5,8-dihydronaphthalenyl)amino]-N,N,N-trimethylbenzenaminium chloride
- Details on test material:
- Identification : C059 (Basic Blue 99)
Batch number : 74/75
3-[(Bromo-8-amino-5-hydroxy-4-imino-1-oxo-1,4-dihydronaphthalenyl)amino]-N,N,N-trimethylbenzeneaminium cation (main) : 62.8a/a%
3-[(Dibromo-8-amino-5-hydroxy-4-imino-1-oxo-1,4-dihydronaphthalenyl)amino]-N,N,N-trimethylbenzeneaminium cation (E) : 11.8a/a% 3-[(Bromo-8-amino-5-hydroxy-1,4-dioxo-1,4-dihydronaphthalenyl)amino]-N,N,N-trimethylbenzeneaminium cation (F) : 8.4a/a%
3-[(Bromo-5,8-dihydroxy-1,4-dioxo-1,4-dihydronaphthalenyl)amino]-N,N,N-trimethylbenzeneaminium cation (J) : 4.1a/a% 3-[(8-Amino-5-hydroxy-4-imino-1-oxo-1,4-dihydronaphthalenyl)amino]-N,N,N-trimethylbenzeneaminium cation (A) : 1.7a/a% 3-[(Sulpho-8-amino-5-hydroxy-1,4-dioxo-1,4-dihydronaphthalenyl)amino]-N,N,N-trimethylbenzeneaminium cation (B) : 1.8a/a%
3-[(Dibromo-8-amino-5-hydroxy-1,4-dioxo-1,4-dihydronaphthalenyl)amino]-N,N,N-trimethylbenzeneaminium cation (G): 2.1a/a%
3-[(Sulpho-8-amino-5-hydroxy-4-imino-1-oxo-1,4-dihydronaphthalenyl)amino]-N,N,N-trimethylbenzeneaminium cation (O) :1.0a/a%
3-[(Bromo-sulpho-8-amino-5-hydroxy-1,4-dioxo-1,4-dihydronaphthalenyl)amino]-N,N,N-trimethylbenzeneaminium cation (N) : 0.7a/a%
Tribromo-8-amino-5-hydroxy-1,4-naphthoquinone (L) : 2.6a/a%
Chloride ion : 20.2%
Sulphate ion : 0.5%
Acetate ion : 2.0%
Zinc ion : 6.6%
Water : 7.9%
Constituent 1
Test animals
- Species:
- mouse
- Strain:
- NMRI
- Sex:
- male/female
Administration / exposure
- Route of administration:
- intraperitoneal
- Vehicle:
- Deionised water
- Details on exposure:
- On the day of the experiment, the test item was dissolved in deionised water.
- Duration of treatment / exposure:
- 48 hours
- Frequency of treatment:
- Single treatment
- Post exposure period:
- 24 and 48 hours
Doses / concentrationsopen allclose all
- Remarks:
- Doses / Concentrations:
1.25 mg/kg bw
Basis:
other: administered intraperitoneally, sampling time 24 hours
- Remarks:
- Doses / Concentrations:
2.5 mg/kg bw
Basis:
other: administered intraperitoneally, sampling time 24 hours
- Remarks:
- Doses / Concentrations:
5.0 mg/kg bw
Basis:
other: administered intraperitoneally, sampling time, 24 hours
- Remarks:
- Doses / Concentrations:
5.0 mg/kg bw
Basis:
other: administered intraperitoneally, sampling time 48 hours
- No. of animals per sex per dose:
- Six/sex/dose group
- Control animals:
- yes, concurrent vehicle
- Positive control(s):
- Positive control : Cyclophosphamide
Examinations
- Tissues and cell types examined:
- Bone marrow
Results and discussion
Test results
- Sex:
- male/female
- Genotoxicity:
- negative
- Toxicity:
- yes
- Vehicle controls validity:
- valid
- Negative controls validity:
- valid
- Positive controls validity:
- valid
- Additional information on results:
- In comparison to the corresponding vehicle controls there was no statistically significant or biologically relevant enhancement in the frequency of the detected micronuclei at any preparation interval and dose level after administration of the test item. The mean values of micronuclei observed after treatment with the test item were below or near to the value of the vehicle control group. The positive control showed a statistically significant increase of induced micronucleus frequency.
Applicant's summary and conclusion
- Conclusions:
- Interpretation of results (migrated information): negative
Under the experimental conditions reported, the test item did not induce micronuclei as determined by the micronucleus test with bone marrow cells of the mouse. The test item is considered to be non-mutagenic in this micronucleus assay. - Executive summary:
The study was performed to investigate the potential of Basic Blue 99 to induce micronuclei in polychromatic erythrocytes in the bone marrow of the mouse. The test item was formulated in deionised water which was also used as the vehicle control. The volume administered intraperitoneally was 10 mL/kg bw, 24 and 48 hours after a single administration of the test item the bone marrow cells were collected for micronuclei analysis. Ten animals (5 males, 5 females) per test group were evaluated for the occurrence of micronuclei. At least 2000 polychromatic erythrocytes per animal were scored for micronuclei. Test item dose levels of 1.25, 2.5, 5.0 mg/kg bw (24 hours preparation interval) and 5.0 mg/kg bw (48 hours preparation interval) were investigated. As estimated by pre-experiments 5.0 mg/kg bw was the highest applicable dose without significant effects on the survival rates but with clear signs of toxicity. At the next higher dose (7.5 mg/kg bw) one female died. After treatment with the test item the number of polychromatic erythrocytes was not substantially decreased as compared to the mean value of polychromatic erythrocytes of the vehicle control thus indicating that Basic Blue 99 did not exert any cytotoxic effects in the bone marrow. The bedding of the treated animals was stained blue, most probably resulting from the test item content in urine. This indicates the systemic distribution of the test item and thus confirms bioavailability of the test item. In comparison to the corresponding vehicle controls there was no biologically relevant enhancement in the frequency of the detected micronuclei at any preparation interval after administration of the test item and with any dose level used. Cyclophosphamide (40 mg/kg bw) administered intraperitoneally was used as a positive control which showed a substantial increase of induced micronucleus frequency. Under the experimental conditions reported, the test item did not induce micronuclei as determined by the micronucleus test with bone marrow cells of the mouse. Basic Blue 99 is considered to be non-mutagenic in this micronucleus assay.
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