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Diss Factsheets
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EC number: 908-820-9 | 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
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP study according to Guideline
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 001
- Report date:
- 2002
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- Version / remarks:
- 1992
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.4-C (Determination of the "Ready" Biodegradability - Carbon Dioxide Evolution Test)
- Version / remarks:
- 1992
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Ministerium für Umwelt, Raumordnung und Landwirtschaft des Landes Nordrhein-Westfalen
Test material
- Reference substance name:
- Reaction mass of (E)-1-chlorobut-2-ene and 3-chlorobut-1-ene
- EC Number:
- 908-820-9
- Molecular formula:
- not applicable
- IUPAC Name:
- Reaction mass of (E)-1-chlorobut-2-ene and 3-chlorobut-1-ene
Constituent 1
- Specific details on test material used for the study:
- Details on properties of test surrogate or analogue material (migrated information):
- Water solubility (under test conditions): test item reacts with water
OTHER PROPERTIES (if relevant for this endpoint)
- Adsorption characteristics:
- Toxicity to microorganisms:
- Other:
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): Marl-Ost municipal sewage treatment plant
- Storage conditions: aerated with moist air in the dark
- Storage length: six days with mineral medium
- Preparation of inoculum for exposure: 2x5990 ml mineral medium were inoculated with 10 ml of inoculum
- Pretreatment:
- Concentration of sludge: 4.7 mg/l suspended solids, 2.1818 g/l dry matter
- Initial cell/biomass concentration: 86 x 10^4 CFU/ml
- Water filtered: no - Duration of test (contact time):
- ca. 28 d
Initial test substance concentration
- Initial conc.:
- ca. 37.7 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- CO2 evolution
- Details on study design:
- TEST CONDITIONS
- Composition of medium: mineral medium
- Solubilising agent (type and concentration if used): not used
- Test temperature: 21.4-22.7°C
- pH: 7.2 at the end of the test
- pH adjusted: no
- CEC (meq/100 g):
- Aeration of dilution water: no
- Suspended solids concentration: no data
- Continuous darkness: yes
TEST SYSTEM
- Culturing apparatus:
- Number of culture flasks/concentration:
- Method used to create aerobic conditions:
- Method used to create anaerobic conditions:
- Measuring equipment:
- Test performed in closed vessels due to significant volatility of test substance:
- Test performed in open system:
- Details of trap for CO2 and volatile organics if used:
- Other:
SAMPLING
- Sampling frequency:
- Sampling method:
- Sterility check if applicable:
- Sample storage before analysis:
- Other:
CONTROL AND BLANK SYSTEM
- Inoculum blank:
- Abiotic sterile control:
- Toxicity control:
- Other:
STATISTICAL METHODS:
Reference substance
- Reference substance:
- benzoic acid, sodium salt
Results and discussion
- Preliminary study:
- not performed
- Test performance:
- Test is considered as valid if
- the mean percentage degradation in the vessels containing the reference compound is >= 60% on the 14th day of incubation (here 90%)
- The mean amount of IC produced from the test blank controls at the end of the test is <= 15% of the organic carbon added initially as the test compound (here -2.0%)
% Degradationopen allclose all
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 1
- Sampling time:
- 3 d
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 20
- Sampling time:
- 7 d
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 18
- Sampling time:
- 14 d
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 23
- Sampling time:
- 23 d
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 25
- Sampling time:
- 28 d
BOD5 / COD results
- Results with reference substance:
- 71% degradation after 3 days
94% degradation after 28 days
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- under test conditions no biodegradation observed
- Conclusions:
- Test substance is considered not readily biodegradable under conditions tested
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