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Diss Factsheets
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EC number: 947-344-6 | 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
Short-term toxicity to fish
Administrative data
- Endpoint:
- short-term toxicity to fish
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2012
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2012
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 203 (Fish, Acute Toxicity Test)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- Dodecyl oleate
- EC Number:
- 252-862-4
- EC Name:
- Dodecyl oleate
- Cas Number:
- 36078-10-1
- Molecular formula:
- C30H58O2
- IUPAC Name:
- 9-Octadecenoic acid (9Z)-, dodecyl ester
- Test material form:
- liquid
Constituent 1
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: K120424B
- Expiration date of the lot/batch: April 2013
STABIILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Ambient temperature
- Stability under test conditions: Stable
Sampling and analysis
- Analytical monitoring:
- yes
- Details on sampling:
- - Concentrations: Samples were taken from the control and the exposure vessel (100 mg/L).
- Sampling method: Sampling at start (0 h) and end (96 h), 4.8 mL were taken from the test and the control aquarium for chemical analysis.
- Sample storage conditions before analysis: Sample storage in 4 mL brown glass vials (filled up to the brim to avoid oxidative processes), maximum storage period of 8 d at 5 °C ± 3 °C before analysis.
Test solutions
- Vehicle:
- no
- Details on test solutions:
- PREPARATION AND APPLICATION OF TEST SOLUTION (especially for difficult test substances)
- Method: Due to sparingly soluble properties of the test item, the study was performed with the water accommodated fraction (WAF) prepared with synthetic fish water according to OECD 203. The test solutions were withdrawn from the middle of the suspension of the beakers after 1 h settling using a glass tube and transferred into the test vessels (aquarium).
Two beakers were prepared like this and stirred for a period of 48 h at 12-22 °C in diffuse light. For stirring an overhead high-grade stainless steel radial impeller was used (about 500 rpm). The impeller was placed about 5 cm above the bottom of the beakers. The depth of the vortex was about 10% of the total height of the liquid. The test item is very mobile and was therefore added by pipetting. According to the density indicated by the sponsor of 0.8529 g/cm3 the amount to be added was converted into volume.
The filtration of the WAF to obtain the water soluble fraction (WSF) was not taken into consideration to avoid unwanted impacts of the filtration process and to have a worst case scenario.
- Evidence of undissolved material (e.g. precipitate, surface film, etc): Slightly whitish oily spots were still floating on the surface of the solutions. The test solutions were withdrawn from the middle of the suspension on the beakers using a glass tube and transferred into the test vessels (aquarium).
Test organisms
- Test organisms (species):
- Danio rerio (previous name: Brachydanio rerio)
- Details on test organisms:
- TEST ORGANISM
Common name: zebra fish
- Source: Aquarium Dietzenbach Fischzucht, Dietzenbach, Germany, delivery date: 20 Nov 2012
- Length at study initiation (length definition, mean, range and SD): 2 ± 1 cm
- Feeding during test: none
ACCLIMATION
- Acclimation period: 8 days before the test started.
- Acclimation conditions (same as test or not): same as test
- Feeding frequency: 2 x every working day.
- Health during acclimation (any mortality observed): No mortality, the fish behaved normally.
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 96 h
Test conditions
- Test temperature:
- 22.3 - 23.9°C
- pH:
- 8 - 8.1
- Dissolved oxygen:
- Control: 7.9 - 8.6 mg O2/L
100 mg/L: 7.9 - 8.7 mg O2/L - Nominal and measured concentrations:
- Nominal: control, 100 mg/L
- Details on test conditions:
- TEST SYSTEM
- Test vessel : Size: 8 L aquarium
- Aeration: yes
- No. of organisms per vessel: 7
- No. of vessels per concentration (replicates): 1
- No. of vessels per control (replicates): 1
TEST MEDIUM / WATER PARAMETERS
Source/preparation of dilution water: according to guideline
- Culture medium different from test medium: no
OTHER TEST CONDITIONS
- Adjustment of pH: no
- Photoperiod: 14 h light / 10 h dark
EFFECT PARAMETERS MEASURED (with observation intervals if applicable) :
mortality every 24 h (and 6 h after study initiation); behavioural abnormalities - Reference substance (positive control):
- no
Results and discussion
Effect concentrationsopen allclose all
- Key result
- Duration:
- 96 h
- Dose descriptor:
- LL50
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- other: Water Accomodated Fraction (WAF)
- Basis for effect:
- mortality (fish)
- Key result
- Duration:
- 96 h
- Dose descriptor:
- NOELR
- Effect conc.:
- >= 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- other: WAF
- Basis for effect:
- mortality (fish)
- Details on results:
- - Behavioural abnormalities: no
- Mortality of control: no
Applicant's summary and conclusion
- Validity criteria fulfilled:
- no
- Conclusions:
- No fish died or showed any abnormal behaviour during the 96 h exposure period.
For Lauryl Oleate, LL50 (96h) > 100 mg/L and NOELR >= 100 mg/L, the substance is not considered harmful to fish.
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.
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