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Diss Factsheets
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EC number: 410-210-8 | 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
![](https://echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_environmental-fate-and-pathways.png)
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:
- 1991-06-26 to 1991-08-22
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: OECD study, GLP
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 301 C (Ready Biodegradability: Modified MITI Test (I))
- Deviations:
- yes
- Principles of method if other than guideline:
- The volume of the test solution was reduced from 3.0 L to 1.5 L. The CO2 formed by biodegradation was absorbed with NaOH and determined on a carbon analyzer.
- GLP compliance:
- yes
Test material
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, non-adapted
- Details on inoculum:
- - Source of inoculum/activated sludge: Bacteria collected from activated sludge of the sewage treatment plant of CH-4153 Reinach on 24/06/91
- Preparation of inoculum for exposure: 1200 ml of the mineral solution with the inoculum were aerated for 24 hours in the test vessel. In 300 mL mineral solution 16.4 rsp. 30.1 mg of test substance were added and homogenized. This solution was given to the test vessel which was immediately connected to the CO2 traps. - Duration of test (contact time):
- 28 d
Initial test substance concentrationopen allclose all
- Initial conc.:
- 10.9 mg/L
- Based on:
- test mat.
- Initial conc.:
- 20.1 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- CO2 evolution
- Details on study design:
- TEST CONDITIONS
- Test temperature: 22 + 2°C
TEST SYSTEM
- Test medium was prepared according to the guideline
- Vessles: 2 Liter flasks (dark brown glass) equipped with gas inlet and magnetic stirrer.
- Air: = 25 ml/min purified from carbon dioxide.
CONTROL AND BLANK SYSTEM
- Inoculum blank: Test medium with inoculum.
STATISTICAL METHODS:
The biodegradation was calculated on the basis of the theoretical carbon content of the test substance and the cumulative quantities of carbon dioxide determined on the days of measurements. For the calculation the formula given in the guideline was used.
Reference substance
- Reference substance:
- aniline
Results and discussion
- Test performance:
- Determination of the initial CO2 of the 0.05 N sodium hydroxide and the CO2, absorbed in the absorbers filled with 200 ml 0.05 N sodium hydroxide on the days 3, 6, 10, 13, 17, 20, 24, 27 and 28.
% Degradationopen allclose all
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 9
- Sampling time:
- 28 d
- Remarks on result:
- other: 10.9 mg test substance/L
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 3
- Sampling time:
- 28 d
- Remarks on result:
- other: 20.1 mg test substance/L
- Details on results:
- Theoretical carbon dioxide evolution
Test substance : 16.4 mg/1.5L = 30.86 mg CO2/1.5 liter.
Test substance : 30.1 mg/1.5L = 56.64 mg CO2/1.5 liter.
This calculation is based on carbon analysis.
Applicant's summary and conclusion
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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