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Diss Factsheets
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EC number: 428-710-1 | CAS number: 207574-76-3
- 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
Link to relevant study record(s)
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- GLP compliance:
- yes (incl. QA statement)
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Details on inoculum:
- - Source of inoculum/activated sludge (e.g. location, sampling depth, contamination history, procedure): ARA Ergolz II, Füllinsdorf/Switzerland
- Duration of test (contact time):
- ca. 28 d
- Initial conc.:
- ca. 100 mg/L
- Based on:
- test mat.
- Reference substance:
- other: sodium benzoate
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- < 10
- Sampling time:
- 28 d
- Details on results:
- Points of degradation plot (test substance):
2 % degradation after 2 d
2 % degradation after 7 d
2 % degradation after 14 d
3 % degradation after 21 d
3 % degradation after 28 d - Results with reference substance:
- Points of degradation plot (reference substance):
47 % degradation after 2 d
71 % degradation after 7 d
81 % degradation after 14 d
85 % degradation after 21 d
88 % degradation after 28 d - Validity criteria fulfilled:
- yes
- Interpretation of results:
- under test conditions no biodegradation observed
- Conclusions:
- The test item was found to be not biodegradable within 28 days according to the OECD guideline 301F.
- Executive summary:
Test item was investigated for its ready biodegradability in a '28 -day manometric respirometry test' acc. to the OECD guideline 301F (1992).
The biochemical oxygen demand (BOD) in the test media was within the range of the inoculum controls.
Therefore, test item was found to be not biodegradable under the test conditions within 28 days.
In the toxicity control, no inhibitory effect of test item was observed.
The suitability of the activated sludge was confirmed by appropriate biodegradation of the reference control sodium benzoate.
Reference
Description of key information
Biodegradation in water: screening tests: not biodegradable: 3 % degradation after 28 d: < 10% degradation, parameter O2 consumption
Key value for chemical safety assessment
- Biodegradation in water:
- not biodegradable
- Type of water:
- freshwater
Additional information
Most probably due to insolubility and non bioavailability, no biodegradation could be observed. Further details of evaluation of the P criterion can be found in the PBT assessment (section 8 of the CSR).
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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