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Diss Factsheets
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EC number: 700-268-5 | CAS number: 18143-33-4
- 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:
- 2002-07-23 until 2002-08-20
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Good laboratory practice guideline study (OECD).
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 002
- Report date:
- 2002
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
Test material
Reference
- Name:
- Unnamed
- Type:
- Constituent
- Details on test material:
- - Name of test material (as cited in study report): Silane 434099 VP
- Substance type: intermediate
- Physical state: liquid
- Stability under test conditions: pure: stable, in Water: hydrolysis in water with formulation of methanol
- Storage condition of test material: room temperature in the dark
- Specific details on test material used for the study:
- Details on properties of test surrogate or analogue material (migrated information):
not applicable
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, non-adapted
- Details on inoculum:
- - Source of inoculum/activated sludge (e.g. location, sampling depth, contamination history, procedure): sewage plant Groß-Zimmern, Germany
- Preparation of inoculum for exposure: Washing by centrifugation and supernatant phase was decanted. Solid material was resuspended and again again centrifuged. This procedure was repeated twice.
- Pretreatment: not applicable
- Concentration of sludge: 1.5 g/l - Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 100 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: a) buffer KH2PO4, K2HPO4, Na2HPO4, NH4Cl ; b) Mg2SO4 x 7 H2O ; c) CaCl2 x 2 H2O ; FeCl3 x 6 H2O
- Test temperature: 21-22 °C
- pH: 7.8
- pH adjusted:no
- CEC (meq/100 g):
- Aeration of dilution water:
- Suspended solids concentration: yes
- Continuous darkness: yes
TEST SYSTEM
- Number of culture flasks/concentration: 2
- Measuring equipment: nanometric (BSB/BOD-Sensor-System Aqualytic)
- Test performed in closed vessels due to significant volatility of test substance: no
- Test performed in open system: yes
CONTROL AND BLANK SYSTEM
- Inoculum blank: yes
- Abiotic sterile control: yes (test water)
- Toxicity control: yes (aniline and test substance)
- Other: procedure control (aniline)
Reference substance
- Reference substance:
- aniline
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- >= 9 - <= 10
- Sampling time:
- 1 d
- Details on results:
- Toxicity control, procedure control, inorganic control worked as expected.
BOD5 / COD results
- Results with reference substance:
- 94% biodegradation after 28 days
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- other: not readily biodegradable
- Conclusions:
- The subtance is not readily biodegradable but may be inherently biodegradable.
- Executive summary:
The test substance was not readily biodegradable in a manometric respiratory test performed according to OECD guideline 301F showing a degradation of 9 and 10% after 28 days.
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