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Diss Factsheets
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EC number: 236-211-1 | CAS number: 13236-02-7
- 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 C (Ready Biodegradability: Modified MITI Test (I))
- GLP compliance:
- yes (incl. QA statement)
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge (adaptation not specified)
- Details on inoculum:
- Inoculum used in this study was collected from 12 sites in Korea including 5 rivers(Gangjeong, Mulgeum, Gurye, Gapcheon, Paldang), 4 domestic sewage treatment plants(Dalseo, Gumi, Busan, Asan) and 3 industrial wastewater treatment plants(Dalseo, Yeosu, Tancheon). Fresh samples collected from these sites were incubated for over one month and the activated sludge greater than 10^7 cells/mL was used in this test.
- Duration of test (contact time):
- <= 28 d
- Parameter followed for biodegradation estimation:
- O2 consumption
- Details on study design:
- This study is to screen the chemical for ready biodegradability in an aerobic aqueous medium. The method is applicable to the organic test substance of non-volatile, Cwater : Cair ≥ 1, with no inhibitory to microorganism, and with no reaction by the CO2 absorbent.
The oxygen uptake of test substance in a mineral medium is measured automatically over a period of 28 days in darkened and enclosed respirometer at 25 ± 1℃. If the biodegradability is calculated by the percentage oxygen uptake of theoretical uptake (ThOD) of the test substance is 60% or more, the test substance could be concluded as a readily degradable substance by microorganisms in the aquatic environment. - Reference substance:
- aniline
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- 1.1
- Sampling time:
- 28 d
- Remarks on result:
- other:
- Remarks:
- not readily biodegrable
- Details on results:
- The percentage biodegradations of the test substance was observed by BOD measurement was calculated with a range of 0.0 ~ 3.3% and the average percentage biodegradation was calculated to be 1.1% for 28 days. Therefore, these results indicate that the test substance is not biodegradable in aqueous condition.
- Results with reference substance:
- The percentage biodegradations of the reference compound, aniline, observed by BOD measurement were 67.0% after 7 days and 71.6% after 14 days.
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- not readily biodegradable
- Conclusions:
- The test substance could not be concluded as a readily degradable substance by microorganisms in the aquatic environment because the percentage biodegradation of the test substance by BOD measurement was less than pass level for ready biodegradability (60%) specified in the OECD guideline.
Reference
Description of key information
Key value for chemical safety assessment
- Biodegradation in water:
- not biodegradable
Additional information
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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