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EC number: 212-595-6 | CAS number: 830-13-7
- 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
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1989-04-21 to 1989-05-19
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Comparable to guideline study with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 989
- Report date:
- 1989
Materials and methods
- Principles of method if other than guideline:
- Method: BODIS Test (ISO 10708, in preparation)
- GLP compliance:
- no
Test material
- Reference substance name:
- Cyclododecanone
- EC Number:
- 212-595-6
- EC Name:
- Cyclododecanone
- Cas Number:
- 830-13-7
- Molecular formula:
- C12H22O
- IUPAC Name:
- cyclododecanone
- Details on test material:
- Test substance: Cyclododecanone of Hüls AG, no further details
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Details on inoculum:
- INOCULUM/TEST ORGANISM
- Type of sludge: 3.6 g dry weight/l - Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 47.8 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
- Details on study design:
- TEST SYSTEM
- Culturing apparatus: 300 ml precision glass bottles
- Number of culture flasks per concentration: 3
- Measuring equipment: oxygen electrode
- Closed vessels used: yes
METHOD OF PREPARATION OF TEST SOLUTION
- Addition of test substance in acetone 24 hours prior to begin of test
TEST CONDITIONS
- Test temperature: 20 °C
ANALYTICAL PARAMETER: dissolved oxygen
Reference substance
- Reference substance:
- diethylene glycol
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- 93
- Sampling time:
- 28 d
- Details on results:
- Kinetic of test substance (in %):
= 47 after 7 day(s)
= 73 after 14 day(s)
= 84 after 21 day(s)
Degradation products: not measured
BOD5 / COD results
- Results with reference substance:
- Kinetic of reference substance (in %):
= 81 after 14 day(s)
= 99 after 21 day(s)
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Interpretation of results:
- readily biodegradable
- Conclusions:
- The test substance was found to be readily biodegradable.
- Executive summary:
The ultimate biodegradability of cyclododecanone was tested in the BODIS test (Two Phase Closed-Bottle test) according to the draft ISO guideline 10708 by Hüls AG (1989). The test media were inoculated with activated sludge and the oxygen consumption was monitored at weekly intervals over a period of 28 days. The test substance was observed to be readily biodegradable (93% degradation within 28 days).
The study was assessed as "reliable with restrictions".
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