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EC number: 282-486-6 | CAS number: 84238-17-5
- 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
Toxicity to aquatic algae and cyanobacteria
Administrative data
- Endpoint:
- toxicity to aquatic algae and cyanobacteria
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- supporting study
- Study period:
- From Apr. 2010 to Sept. 2010
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: The study was conducted according to standard guidelines in compliance with GLP. TOC analyses conducted as dose verification.
- Justification for data waiving:
- other:
Cross-referenceopen allclose all
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 201 (Alga, Growth Inhibition Test)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.3 (Algal Inhibition test)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: OECD Series on testing and assessment No. 23: Guidance Document on Aquatic Toxicity Testing of Difficult Substances and Mixtures, 2000
- Deviations:
- no
- Principles of method if other than guideline:
- Not applicable
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- Soybean oil, deodorizer distillate
- EC Number:
- 272-211-8
- EC Name:
- Soybean oil, deodorizer distillate
- Cas Number:
- 68783-88-0
- IUPAC Name:
- 68783-88-0
- Reference substance name:
- Soybean oil, deodorizer distillates
- IUPAC Name:
- Soybean oil, deodorizer distillates
- Details on test material:
- - Name of test material (as cited in study report): Soybean oil, deodorizer distillates
- Substance type: Glycerides, fatty acids and unsaponifiable matter of vegetable origin
- Physical state: Liquid/pasty, brown
- Storage condition of test material: At room temperature (15 - 25 °C), in the dark
- Expiration date of the lot/batch: 27 April 2010
Constituent 1
Constituent 2
- Specific details on test material used for the study:
- Details on properties of test surrogate or analogue material (migrated information):
Not applicable
Sampling and analysis
- Analytical monitoring:
- yes
- Details on sampling:
- - Appropriate amounts of the stock solution were diluted with pure water to get TC standard solutions in the range from 1 to 50 mg Carbon/L and IC standard solutions in the range of 1 to 25 mg Carbon/L.
- Sample storage conditions before analysis: The samples from the end of the test were filtered (0.45 µm cellulose acetate) before analysis
Test solutions
- Vehicle:
- yes
- Details on test solutions:
- PREPARATION AND APPLICATION OF TEST SOLUTION (especially for difficult test substances)
- Method: Inoculation of a biomass of 5000 algal cells per mL test medium
- Controls: Yes (Six replicates)
- Concentration of vehicle in test medium (stock solution and final test solution(s) including control(s)): A supersaturated stock solution of 100 mg test item/L.
Test organisms
- Test organisms (species):
- Raphidocelis subcapitata (previous names: Pseudokirchneriella subcapitata, Selenastrum capricornutum)
- Details on test organisms:
- TEST ORGANISM
- Common name: Freshwater green algae
- Strain: Strain No. 61.81 SAG
- Source (laboratory, culture collection): Sammlung von Algenkulturen, Pflanzenphysiologisches Institut der Universität Göttingen", 37073 Göttingen, Germany
- Method of cultivation: The algae were cultivated in the laboratories under standardised conditions according to the test guidelines
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 72 h
Test conditions
- Hardness:
- 0.24 mmol/L (= 24 mg/L) as CaCO3.
- Test temperature:
- 23 °C
- pH:
- 8.0 - 9.1
- Nominal and measured concentrations:
- Nominal: 0, 100 mg/L
- Details on test conditions:
- TEST SYSTEM
- Test vessel: Erlenmeyer flasks
- Type (delete if not applicable): Closed
- Material, size, headspace, fill volume: 50 mL volume with 50 mL of test medium
- No. of vessels per concentration (replicates): Six
- No. of vessels per control (replicates): Six
GROWTH MEDIUM
- Standard medium used: yes
TEST MEDIUM / WATER PARAMETERS
- Source/preparation of dilution water: Reconstituted water (OECD Medium)
OTHER TEST CONDITIONS
- Adjustment of pH: Yes
- Light intensity and quality: 6120 - 6440 lux
EFFECT PARAMETERS MEASURED (with observation intervals if applicable) :
- Determination of cell concentrations: Spectrophotometer
TEST CONCENTRATIONS
- Range finding study
- Test concentrations: 100 mg/L
- Results used to determine the conditions for the definitive study: Yes - Reference substance (positive control):
- yes
- Remarks:
- potassium dichromate
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- other: water accommodated fraction
- Basis for effect:
- other: growth rate and yield
- Duration:
- 72 h
- Dose descriptor:
- LOEC
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- other: water accommodated fraction
- Basis for effect:
- other: growth rate and yield
- Duration:
- 72 h
- Dose descriptor:
- other: ErC50
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- other:
- Basis for effect:
- growth rate
- Remarks:
- water accommodated fraction
- Duration:
- 72 h
- Dose descriptor:
- other: EyC50
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- other: water accommodated fraction
- Basis for effect:
- other: yield
- Details on results:
- - Exponential growth in the control (for algal test): Yes
- Observation of abnormalities (for algal test): No
- Unusual cell shape: No
- Colour differences: No remarkable observations
- Adherence to test vessels: No - Results with reference substance (positive control):
- - Results with reference substance valid: Yes
- Reported statistics and error estimates:
- None
Any other information on results incl. tables
The concentration of test substance recorded by total organic carbon analysis was below the limit of quantification in the control and test vessels. The LOQ was equivalent to 3 mg/L. Test concentrations were therefore based on nominal values.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- Under the test conditions, the 72 h NOEC and LOEC of the test material was determined to be >100 mg/L (nominal). The 72 h ErC50 and EyC50 were clearly higher than the only test concentration of nominal 100 mg test item/L.
- Executive summary:
A study was conducted to determine the inhibitory effect of Soybean oil, deodorizer distillates on the growth of the freshwater green algae Pseudokirchneriella subcapitata in a static test (OECD Guideline 201 and EU method C.3).
Exponentially growing cultures were exposed to water accommodated fraction of the only test concentration of nominal 100 mg/L under defined conditions. The inhibition of growth in relation to control cultures was determined over a test period of 72 h, and over several algal generations. A limit test was performed in compliance with the test guidelines to demonstrate that the test material has no toxic effect on Pseudokirchneriella subcapitata up to at least this concentration. Analytical verification of the test concentrations were conducted on samples of the freshly prepared and aged (72 h) test medium via the TOC-method.
Under the test conditions, the 72 h NOEC was determined to be >100 mg test item/L (nominal). The 72 h LOEC, ErC50 and EyC50 were clearly higher than the only test concentration of nominal 100 mg/L. These values could not be quantified due to the absence of toxicity of Oils, vegetable, deodorizer distillates up to the only test concentration of nominal 100 mg test item/L, the concentration representing the limit of solubility.
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