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EC number: 274-386-6 | CAS number: 70209-87-9
- 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 aquatic invertebrates
Administrative data
Link to relevant study record(s)
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 03 Jun 2014 - 31 Jul 2014
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
- Deviations:
- no
- Principles of method if other than guideline:
- None
- GLP compliance:
- yes (incl. QA statement)
- Specific details on test material used for the study:
- None
- Analytical monitoring:
- yes
- Details on sampling:
- After sampling, the test medium samples (0.5 mL) were mixed with 0.5 mL methanol and stored deep-frozen (below -18 °C) until analysis.
- Vehicle:
- no
- Details on test solutions:
- The concentrations in the main test were spaced by a factor of 2.2. The necessary amount of FAT 20060/F for preparing the stock solution was weighed on weighing scoops and transferred to a volumetric flask. Test medium was added up to the benchmark and the solution was homogenised by shaking. The lower test solutions were prepared by dilution of the stock solution. Defined volumes of the prepared solution were transferred to each test vessels. The test solution volume was 50 mL per test vessel.
- Test organisms (species):
- Daphnia magna
- Details on test organisms:
- As test organism, Daphnia magna STRAUS, Clone V, was used. The animals are continuously bred in the laboratory and were originally purchased in a healthy condition from the Umweltbundesamt in Berlin/Germany. Daphnia magna was bred as single culture (one daphnid per 100 mL) in Elendt M4 medium. The pH-value of the aerated water was within a range of 6.0 – 9.0. The dissolved oxygen was above 60 % saturation and the total hardness 140 - 250 mg/L (as CaCO3), corresponding to 7.8 - 14 °dH. The animals were fed with single cell green algae (Desmodesmus subspicatus, former Scenedesmus subspicatus) at least three times a week.
The daphnids were reared at a temperature of 20 ± 2 °C in a climatic chamber with 16 h of illumination and 8 h of darkness. The medium was changed three times per week. A pipette was used to separate the young daphnids from the adults. Freshly hatched daphnids max. 24 hours old were used for the test. - Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 48 h
- Hardness:
- 13° dH (232 mg/L as CaCO3)
- Test temperature:
- 20.1 - 21.3 °C
- pH:
- 7.95 - 8.08
- Dissolved oxygen:
- ≥8.3 mg/L
- Nominal and measured concentrations:
- see Table below
- Details on test conditions:
- Test procedure: static
Duration: 48 hours
Temperature: 20.1 – 21.3 °C
Oxygen concentration: ≥8.3 mg/L
pH-value: 7.95 – 8.08
Exposure to light: 16 hours photoperiod / 8 hours darkness daily
Feeding: none
Test vessels: four 100 mL glass beakers per concentration, each filled with 50 mL
Loading: at least 10 mL of test solution for each animal Aeration: none
Number of animals: 20 per concentration in 4 replicates of 5 - Reference substance (positive control):
- yes
- Remarks:
- potassium dichromate
- Duration:
- 24 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 45.5 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Duration:
- 24 h
- Dose descriptor:
- EC50
- Effect conc.:
- 93.3 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Remarks on result:
- other: 95 % confidence limits: 86.3 - 101 mg/L
- Duration:
- 48 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 9.39 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Key result
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- 24.1 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Remarks on result:
- other: 95 % confidence limits: 15.9 - 36.6 mg/L
- Details on results:
- After 24 hours of exposure no immobilisation above the allowed control immobilisation was observed in the control and up to 45.5 mg/L. 70 % of the daphnids were found immobile at 100 mg/L.
After 48 hours of exposure no immobilisation above the allowed control immobilisation was observed in the control and up to 9.39 mg/L. 20 % of the daphnids were immobilised at 20.7 mg/L. At the two highest test item concentrations of 45.5 and 100 mg/L all daphnids were found immobile. - Results with reference substance (positive control):
- EC50 (24 h) between 1.0 and 2.0 mg/L
Reference substance: potassium dichromate - Reported statistics and error estimates:
- The 24 h and 48 h EC50 are the estimated concentrations where 50 % of the daphnids were immobilised after 24 and 48 hours, respectively. For the evaluation of the 24 h and 48 h EC50, logit analysis using linear max. likelihood regression was used. The evaluation of data was performed by using ToxRat Professional 2.10. The NOEC was established based on the highest concentration at which the immobilisation is not higher than the allowed control immobilisation (≤10 % immobilisation).
- Validity criteria fulfilled:
- yes
- Conclusions:
- The EC50 (48 h) for immobilisation was determined to be 24.1 mg test item/L (nominal). The corresponding NOEC (48 h) was 9.39 mg test item/L (nominal).
- Executive summary:
FAT 20060/F was evaluated for short term toxicity to Daphnia magna in a study conducted according to OECD Guideline 202. The initial measured content of FAT 20060/F was 96 % of nominal, the arithmetic mean of fresh and aged samples was 95 % of nominal. Since the mean measured concentration of FAT 20060/F was between 80 – 120 %, the toxicological endpoints were evaluated using nominal concentrations of the test item.
ECx and NOEC -values of daphnids exposed to the test item evaluated using nominal concentrations:
Endpoint
FAT 20060/F [mg test item/L]
24 h
48 h
NOEC
45.5
9.39
EC50
93.3
24.1
95 % confidence limit of EC50
86.3 - 101
15.9 – 36.6
The total hardness (as CaCO3) of the untreated control was determined to be 13 °dH (232 mg/L CaCO3).
The mean pH-value of the untreated control was determined to be 7.97 ± 0.02 (Std. Dev.).
The mean temperature of the control and all test item concentrations was measured to be 20.6 ± 0.4 °C (Std. Dev.).
The mean oxygen concentration was determined to be 8.6 ± 0.1 mg/L (Std. Dev.).
Reference
None
Description of key information
The EC50 (48 h) for immobilisation was determined to be 24.1 mg/L.
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 24.1 mg/L
Additional information
FAT 20060/F was evaluated for short term toxicity to Daphnia magna in a study conducted according to OECD Guideline 202. The initial measured content of FAT 20060/F was 96 % of nominal, the arithmetic mean of fresh and aged samples was 95 % of nominal. Since the mean measured concentration of FAT 20060/F was between 80 – 120 %, the toxicological endpoints were evaluated using nominal concentrations of the test item. ECx and NOEC-values of daphnids exposed to the test item evaluated using nominal concentrations:
Endpoint | FAT 20060/F [mg test item/L] | |
| 24 h | 48 h |
NOEC | 45.5 | 9.39 |
EC50 | 93.3 | 24.1 |
95 % confidence limit of EC50 | 86.3 - 101 | 15.9 – 36.6 |
The total hardness (as CaCO3) of the untreated control was determined to be 13 °dH (232 mg/L CaCO3). The mean pH-value of the untreated control was determined to be 7.97 ± 0.02 (Std. Dev.). The mean temperature of the control and all test item concentrations was measured to be 20.6 ± 0.4 °C (Std. Dev.). The mean oxygen concentration was determined to be 8.6 ± 0.1 mg/L (Std. Dev.).
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