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Diss Factsheets
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EC number: 403-960-2 | CAS number: 126877-05-2 C.I. DISPERSE RED 367
- 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)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 989
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 474 (Mammalian Erythrocyte Micronucleus Test)
- Deviations:
- yes
- Remarks:
- less animals than required
- GLP compliance:
- yes
- Type of assay:
- micronucleus assay
Test material
- Reference substance name:
- 2-ethoxyethyl-2-(4-(2,6-dihydro-2,6-dioxo-7-phenyl-1,5-dioxaindacen-3-yl)phenoxy)acetate
- EC Number:
- 403-960-2
- EC Name:
- 2-ethoxyethyl-2-(4-(2,6-dihydro-2,6-dioxo-7-phenyl-1,5-dioxaindacen-3-yl)phenoxy)acetate
- Cas Number:
- 126877-05-2
- Molecular formula:
- C28H22O8
- IUPAC Name:
- 2-ethoxyethyl 2-(4-{5,11-dioxo-12-phenyl-4,10-dioxatricyclo[7.3.0.0³,⁷]dodeca-1(12),2,6,8-tetraen-6-yl}phenoxy)acetate
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- - Test sample reference: NBW 8809/52
- Physical state: dark red powder
- Moisture: < 0.2%
- Assumed purity: lOO% w/w
- CTL reference: Y04203/002/00
Constituent 1
Test animals
- Species:
- mouse
- Strain:
- other: C57BL/6JfCD-l
- Sex:
- male/female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Barriered Animal Breeding Unit, ICI Pharmaceuticals, Alderley Park, Macclesfield, Cheshire, UK.
- Age at study initiation: 12-14 weeks for Phase I and 10-12 weeks for Phase II
- Assigned to test groups randomly: [no/yes, under following basis: ]
- Housing: seven per cage on mobile mouse racks
- Diet (e.g. ad libitum): Parton Combined Diet [PCD]
- Water (e.g. ad libitum): filtered tap water ad libitum
- Acclimation period: yes
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 18-22°C
- Humidity (%): 56-76%
- Air changes (per hr): 15 air changes per hour
- Photoperiod (hrs dark / hrs light): 12 hours light and dark.
Administration / exposure
- Route of administration:
- oral: unspecified
- Vehicle:
- - Vehicle/solvent used: corn oil
- Concentration of test material in vehicle: volume of 10ml/kg bodyweight (0.1ml/10g) to groups 1, 2 and 3 but due to the viscous consistency of the suspension (at 500mg/ml) all further test substance suspensions/solutions were administered at a dose-volume of 20ml/kg bodyweight (0.2ml/10g). - Details on exposure:
- Phase I : The test sample of the Substance was initially administered as a single intragastric dose to three groups of two female mice at dose levels of 20, 200, and 2000mg/kg. No mortalities were observed at any of the dose groups. Based on these data, five female and five male mice were dosed at a level of 5000mg/kg.
Phase II : animals were given a single dose of the test sample of Substance by the intragastric route, at dose levels of 5000mg/kg or 3l25mg/kg bodyweight.
Bone marrow smears were prepared at 24, 48 and 72 hours after dosing. - Duration of treatment / exposure:
- single dose
- Post exposure period:
- 24, 48, 72 hours
- Positive control(s):
- cyclophosphamide (CTL reference number Y01259/001)
Examinations
- Tissues and cell types examined:
- Bone marrow smears were stained with polychrome methylen blue and eosin to visualise the various cell types. 1000 polychromatic erythrocytes (PE) per slide were evaluated for the presence of micronuclei, and 1000 erythrocytes were counted to determine the percentage of PE in the total erythrocyte population to obtain an indication of cytotoxicity.
Results and discussion
Any other information on results incl. tables
No statistically or biologically significant increases in MPE above control levels were observed in either male or female mice treated with either dose level of the test sampl e of Substance H107597 at any of the sampling times investigated, indicating that the Substance is not clastogenlc in the mouse micronucleus test.
Applicant's summary and conclusion
- Conclusions:
- Interpretation of results (migrated information): negative
The results indicate that Substance is not clastogenic in the mouse micronucleus test. - Executive summary:
not clastogenic
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