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Diss Factsheets
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EC number: 907-242-4 | 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
- Study period:
- 1995-11-24 to 1996-01-17
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 996
- Report date:
- 1995
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.4-C (Determination of the "Ready" Biodegradability - Carbon Dioxide Evolution Test)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: 92/69/EWG
- Deviations:
- no
- Principles of method if other than guideline:
- Method: other: Directive 92/69/EEC, C.4.-C
- GLP compliance:
- yes
Test material
- Reference substance name:
- 1-chlorotetradecane
- EC Number:
- 219-368-0
- EC Name:
- 1-chlorotetradecane
- Cas Number:
- 2425-54-9
- Molecular formula:
- C14H29Cl
- IUPAC Name:
- 1-chlorotetradecane
- Test material form:
- liquid
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic (adaptation not specified)
- Details on inoculum:
- - Source of inoculum/activated sludge: municipal sewage treatment plant
- Preparation of inoculum for exposure: according to guidance
- Concentration of sludge: 4.3 g/L dry weight, 28.7mg/L suspended solid per test vessel.
- Initial cell/biomass concentration: 105 * 10^4 CFU/ml - Duration of test (contact time):
- 29 d
Initial test substance concentrationopen allclose all
- Initial conc.:
- 14.95 mg/L
- Based on:
- DOC
- Remarks:
- DOC has been calculated theoretically.
- Initial conc.:
- 20.75 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
- Test temperature: mean 21.5°C (20.7 °C -22.4 °C)
- pH: 7.4-7.6
- Aeration of dilution water: yes
- Suspended solids concentration: 28.7 mg/L
TEST SYSTEM
- Number of culture flasks/concentration: 2
- Method used to create aerobic conditions: aeration not further specified
- Measuring equipment: TAC analysis
- Details of trap for CO2: addition of NaOH, formation of Sodium carbonate
SAMPLING
- Sampling frequency: 9x during 29 days (on day 0, 2, 5, 9, 12, 16, 22, 28, and 29)
- Sampling method: TAC analysis
CONTROL AND BLANK SYSTEM
- Inoculum blank: medium without test substance, 2 replicates
- Toxicity control: medium with reference substance Sodium benzoat, 1 replicate
Reference substance
- Reference substance:
- benzoic acid, sodium salt
Results and discussion
% Degradation
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 75
- Sampling time:
- 28 d
- Details on results:
- Kinetic of test substance (in %):
= 30 after 5 day(s)
= 66 after 12 day(s)
= 69 after 16 day(s)
= 74 after 22 day(s)
= 74 after 28 day(s)
BOD5 / COD results
- Results with reference substance:
- 92% after 28 days.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Interpretation of results:
- readily biodegradable
- Conclusions:
- A biodegradation rate of 75% of the test substance after 28 days has been observed. More than 60% of the test substance were degraded within the 10-day window. Therefore, the test substance is readily biodegradable.
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