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EC number: 700-777-2 | 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
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Study test dates 2011.09.08 to 2011.10.12. Report completed 2011.12.20
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study meets the criteria as reliable without restriction according to Klimisch et al (1997).
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 011
- Report date:
- 2011
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Reference substance name:
- lithium 3-((3,4-dicyanophenyl)sulfonyl)propane-1-sulfonate)
- EC Number:
- 700-777-2
- Cas Number:
- 667889-11-4
- Molecular formula:
- C11H9N2O5S2Li
- IUPAC Name:
- lithium 3-((3,4-dicyanophenyl)sulfonyl)propane-1-sulfonate)
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- sewage, predominantly domestic (adaptation not specified)
- Details on inoculum:
- - Source of inoculum/activated sludge: Totnes Sewage Treatment Works, Totnes, Devon, UK
- Storage conditions: At the laboratory the sludge was kept aerated at room temperature and maintained at pH 7.
- Preparation of inoculum for exposure: 6 days prior to exposure the activated sludge was centrifuged, washed and resuspended in the mineral medium and solids concentration determined. This sludge was then diluted in medium added to test bottles and stirred until required. - Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 50 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
- Details on study design:
- TEST CONDITIONS
- Composition of medium: According to OECD 301F guideline
- Test temperature:22 +/-1 C
- pH:7.4 +/-0.2 C prior to start of test
- Continuous darkness: yes
TEST SYSTEM
- Measuring equipment:Oxitop Respirometer (Wissenschaftlich-Technische Werkstatten, GmbH, Germany.) Oxygen uptake was measured every 112 min during the 28 day experimental period.
CONTROL AND BLANK SYSTEM
- Inoculum blank: Containing mineral medium only (no test or reference material)
- Reference: Sodium benzoate at 100mg/l
Reference substance
- Reference substance:
- benzoic acid, sodium salt
- Remarks:
- 100 mg/l
Results and discussion
- Test performance:
- Mean oxygen uptake of the inoculum blank was <60mg/l. The differences of extremes of replicate biodegradation values was <20% for both sodium benzoate and the test material after the 10 day window, at plateau and at day 28 as required in the OECD guideline.
% Degradationopen allclose all
- Parameter:
- % degradation (O2 consumption)
- Value:
- < 3
- Sampling time:
- 5 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- < 3
- Sampling time:
- 10 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- < 3
- Sampling time:
- 15 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- < 3
- Sampling time:
- 20 d
- Parameter:
- % degradation (O2 consumption)
- Value:
- < 3
- Sampling time:
- 28 d
BOD5 / COD results
- Results with reference substance:
- The sodium benzoate reference attained a maximum mean level of biodegradation of 62% and >60% biodegradation was attained during the 10 day window confirming that the activated sludge contained viable organisms.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- under test conditions no biodegradation observed
- Conclusions:
- During this study the test material attained a maximum mean level of biodegradation of <3% therefore the test material cannot be classed as readily biodegradable.
- Executive summary:
Introduction
This study was undertaken to determine the Ready Biodegradability of the test material by the measurment of Biochemical Oxygen Demand (BOD) in a manometric respirometry test. The study was designed to meet the following guideline:
OECD 301F Ready Biodegradability: Manometric Respirometry
Results and Conclusions
During this study the test material attained a maximum mean level of biodegradation of <3% and therefore was determined to be not readily biodegradable.
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