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Diss Factsheets
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EC number: 946-756-3 | 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:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 996
- Report date:
- 1996
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Reference substance name:
- Oleic acid
- EC Number:
- 204-007-1
- EC Name:
- Oleic acid
- Cas Number:
- 112-80-1
- Molecular formula:
- C18H34O2
- IUPAC Name:
- octadec-9-enoic acid
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, non-adapted
- Details on inoculum:
- Source of Inoculum: activated sludge from a STP effluent from the STP Hochdahl (1 ml/L culture solution), with primarliy munucipal sewage effluent.
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 2 - 5 mg/L
- Based on:
- act. ingr.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
- Details on study design:
- TEST CONDITIONS
- Composition of medium: according to OECD 301 D
- Additional substrate:
- Solubilising agent (type and concentration if used): Disponil NP 9.5EO 5PO
- Test temperature: troom temperature
- pH: not indicated
- pH adjusted: not indicated
- Suspended solids concentration:
TEST SYSTEM
- Culturing apparatus:
- Number of culture flasks/concentration: 2 per concentration
- Method used to create aerobic conditions: stirring
- Test performed in open system: no
SAMPLING
- Sampling frequency: after 0, 7, 21, 28 d
- sampling storage before analysis: no
CONTROL AND BLANK SYSTEM
- Inoculum blank: 4
- Solvent control: 2 per concentration
- Reference substance: 2
STATISTICAL METHODS: not applicable
Reference substance
- Reference substance:
- benzoic acid, sodium salt
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (O2 consumption)
- Value:
- < 0
- Sampling time:
- 0 d
- Remarks on result:
- other:
- Remarks:
- Based on test 2 mg/L AS
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- 70 - 80
- Sampling time:
- 7 d
- Remarks on result:
- other:
- Remarks:
- Based on test 2 mg/L AS
- Parameter:
- % degradation (O2 consumption)
- Value:
- 80 - 90
- Sampling time:
- 21 d
- Remarks on result:
- other:
- Remarks:
- Based on test 2 mg/L AS
- Parameter:
- % degradation (O2 consumption)
- Value:
- 90 - 100
- Sampling time:
- 28 d
- Remarks on result:
- other:
- Remarks:
- Based on test 2 mg/L AS
- Details on results:
- degradation profile of 5 mg/L AS:
day 7: 60 - 70 %
Day 21: 60 - 70 %
day 28: 60 - 70 %
BOD5 / COD results
- Results with reference substance:
- sodium benzoate:
day 7: 70 - 80 %
day 21: 90 - 100 %
day 28: 90 - 100 %
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.