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EC number: 280-116-8 | CAS number: 83006-67-1
- 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
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: inherent biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From April 16 to May 14, 1991
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 991
- Report date:
- 1991
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 302 B (Inherent biodegradability: Zahn-Wellens/EMPA Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- Sodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate)
- EC Number:
- 224-748-4
- EC Name:
- Sodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate)
- Cas Number:
- 4474-24-2
- Molecular formula:
- C32H30N2O8S2.2Na
- IUPAC Name:
- disodium 3,3'-[(9,10-dioxo-9,10-dihydroanthracene-1,4-diyl)diimino]bis(2,4,6-trimethylbenzenesulfonate)
- Test material form:
- solid: particulate/powder
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge (adaptation not specified)
- Details on inoculum:
- - Source of inoculum/activated sludge: the aeration stage of the Severn Trent Plc sewage treatment plant at Belper, Derbyshire, treating predominantly domestic sewage.
- Pretreatment: The sample was maintained at 21°C with continuous aeration and washed by settlement and resuspension in test medium prior to use.
Equivalent to 1.0 g dry weight/l. - Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- ca. 100 mg/L
- Based on:
- act. ingr.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- DOC removal
- Details on study design:
- Temperature: 22°C ± 1°C
Lighting: the test was conducted in darkness
Evaporation: Losses by evaporation were made good by the addition of deionised water immediately prior to sampling.
Sampling: Aeration of the test vessels was stopped and the contents of the vessels allowed to Bettle for 20 minutes. Samples (appoximately 20 ml) were withdrawn from the supernatent and centrifuged at 3900 rpm for 15 minutes to remove any further suspended solids. Samples were analysed immediately. Samples were taken at O and 3 hours and an Days 7, 14, 21, 27 and 28 for dissolved organic carbon and spectrophotometric analysis.
Reference substance
- Reference substance:
- diethylene glycol
Results and discussion
% Degradation
- Parameter:
- % degradation (DOC removal)
- Value:
- > 4 - < 16
- Sampling time:
- 28 d
BOD5 / COD results
- Results with reference substance:
- Diethylene glycol attained 100 % degradation within 14 days.
Any other information on results incl. tables
pH values did not drop below 5.2 in any culture vessel during the course of the study and were readjusted to between pH 7 and 8 daily. Dissolved oxygen levels remained at approximately 7.4 mg O2/l or above in all culture vessels at all times.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- not inherently biodegradable
- Conclusions:
- The DOC removal of Acid Blue 80 was between 4 % and 16 % in 28 d. The substance is not inherently biodegradable.
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