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EC number: 701-366-0 | 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:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- supporting study
- Study period:
- 2009-04-20 until 2009-06-09
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- The experimental study on the supporting substance is guideline-conform under GLP without deviations.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 203 (Fish, Acute Toxicity Test)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.1 (Acute Toxicity for Fish)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Swiss Federal Office of Public Health, 2008-11-12
Test material
- Reference substance name:
- cC604 ammonium salt
- IUPAC Name:
- cC604 ammonium salt
- Reference substance name:
- Acetic acid, 2,2-difluoro-2-[[2,2,4,5- tetrafluoro-5-(trifluoromethoxy)-1,3- dioxolan-4-yl]oxy]-, ammonium salt (1:1)
- IUPAC Name:
- Acetic acid, 2,2-difluoro-2-[[2,2,4,5- tetrafluoro-5-(trifluoromethoxy)-1,3- dioxolan-4-yl]oxy]-, ammonium salt (1:1)
- Reference substance name:
- 119093-27-1
- IUPAC Name:
- 119093-27-1
- Details on test material:
- - Name of test material (as cited in study report):cC6O4
- Molecular formula (if other than submission substance): C6H4F9NO6
- Molecular weight (if other than submission substance): 357
- Smiles notation (if other than submission substance): [NH4+].FC1(F)OC(F)(OC(F)(F)C([O-])=O)C(F)(OC(F)(F)F)O1
- InChl (if other than submission substance): no data
- Structural formula attached as image file (if other than submission substance): see Fig.1 (C6O4 ammonium salt Structural formula)
- Substance type: pure substance in water solution
- Physical state: Liquid, pale yellow
- Analytical purity: Water solution containing 16% active ingredient
- Impurities (identity and concentrations): not reported
- Composition of test material, percentage of components: not reported
- Isomers composition: not reported
- Purity test date: not reported
- Lot/batch No.: 150/28
- Expiration date of the lot/batch: 31-Dec-2020
- Stability under test conditions: not reported
- Storage condition of test material: At room temperature at about 20°C, away from direct sunlight
Constituent 1
Constituent 2
Constituent 3
- Specific details on test material used for the study:
- Details on properties of test surrogate or analogue material (migrated information):
cC6O4 ammonium salt
PHYSICO-CHEMICAL PROPERTIES
- Melting point: 64.6 °C
- Boiling point: > 138 °C (the substance decomposes before boiling)
- Vapour pressure: 0.00000075 hPa at 25 °C
- Water solubility (under test conditions): highly soluble (>= 667 g/L at 21.7 °C)
- log Pow: -0.38 at 22 °C
OTHER PROPERTIES
- Results of test for ready biodegradability: not ready biodegradable
Sampling and analysis
- Analytical monitoring:
- yes
- Details on sampling:
- - Concentrations: 100 mg/l of dry salt of test item cC604 (i.e. 625 mg/l of test item cC604, which contains 16% active ingredient)
- Sampling method: Duplicate samples were taken from each treatment before the start of the test and at the end of the test after 48 hours.
- Sample storage conditions before analysis: All samples were stored deep-frozen (at about -20 °C) immediately after sampling.
Test solutions
- Vehicle:
- no
- Details on test solutions:
- PREPARATION AND APPLICATION OF TEST SOLUTION (especially for difficult test substances)
The test medium was prepared by mixing 3124.8 mg of the test item into 5 liters of test water using ultrasonic treatment for 15 minutes and intense stirring for 15 minutes at room temperature. The test medium was prepared just before introduction of the fish (i.e., start of the test).
Test organisms
- Test organisms (species):
- Danio rerio (previous name: Brachydanio rerio)
- Details on test organisms:
- TEST ORGANISM
- Common name: zebra fish
- Strain: Brachydanio rerio
- Source: The fish were obtained from a breeding culture at Harlan Laboratories.
- Age at study initiation (mean and range, SD): no data
- Length at study initiation (length definition, mean, range and SD): 3.1 ± 0.12 cm (Mean ± SD)
- Weight at study initiation (mean and range, SD): the mean body wet weight was 0.25 ± 0.06 g (Mean ± SD).
- Method of breeding: During holding and acclimatization until one day before the start of the test, the fish were fed with a commercial fish diet (Tetra Min). No further details given.
- Feeding during test
- Food type: no feeding during the 96 h testing period
- Amount: no feeding during the 96 h testing period
- Frequency: no feeding during the 96 h testing period
ACCLIMATION
- Acclimation period: one week
- Acclimation conditions (same as test or not): Prior to test start, the test fish were acclimated for one week to the test water and temperature.
- Type and amount of food: During holding and acclimatization until one day before the start of the test, the fish were fed with a commercial fish diet
- Feeding frequency: no data
- Health during acclimation (any mortality observed): During the last two weeks prior to the test, no fish died in the test fish batch and all fish were healthy.
QUARANTINE (wild caught)
not applicable
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 96 h
- Post exposure observation period:
- no data
Test conditions
- Hardness:
- 1.25 mmol/l as CaCO3
- Test temperature:
- 20-21 °C
- pH:
- 7.5 - 7.6
- Dissolved oxygen:
- 7.9 mg/L or higher
- Salinity:
- No data, however the detailed mineral composition of the reconstituted water is given in the study report.
- Nominal and measured concentrations:
- The nominal concentration of 625 mg test item cC6O4/L, corresponding to 100 mg dry salt cC604/L (test item contains 84% water).
Concentration of cC6O4 (calculated based on the measurement of the content of dry salt) in the test medium varied in the range from 81 to 103% of the nominal value. - Details on test conditions:
- TEST SYSTEM
- Test vessel:
- Type (delete if not applicable): open
- Material, size, headspace, fill volume: fill volume 5 l, no further data
- Aeration: The test vessels were slightly aerated during the test period.
- Type of flow-through (e.g. peristaltic or proportional diluter): not applicable
- Renewal rate of test solution (frequency/flow rate): not applicable
- No. of organisms per vessel: 7 fish were introduced into each test vessel in a random order
- No. of vessels per concentration (replicates): 1
- No. of vessels per control (replicates): 1
- No. of vessels per vehicle control (replicates): not applicable
- Biomass loading rate: 0.35 g fish wet weight per liter test medium
TEST MEDIUM / WATER PARAMETERS
- Source/preparation of dilution water: Reconstituted test water was used in the study. It consisted of analytical grade salts dissolved in purified water to obtain nominal concentrations accc. to the OECD guideline.
- Total organic carbon: not applicable
- Particulate matter: not applicable
- Metals: Na, K, Ca, Mg only
- Pesticides: not applicable
- Chlorine: not applicable
- Alkalinity: 0.4 mmol/l
- Ca/Mg ratio: 4:1 based on molarity
- Conductivity: No data, however the detailed mineral composition of the reconstituted water is given in the study report.
- Culture medium different from test medium: yes, acclimatization of test organisms included in the study
- Intervals of water quality measurement: The concentration of dry salt of the test item cC6O4 was analytically measured in the duplicate test medium samples of the single test concentration taken at the start, after 48 hours and end of the test. From the control, only one of the duplicate samples was analyzed from each of the sampling times. The water temperature, pH and dissolved oxygen concentrations were measured at the start of the test and once daily during the test for each treatment.
OTHER TEST CONDITIONS
- Adjustment of pH: no data
- Photoperiod: A 16 hour light to 8-hour dark photoperiod, with a 30-minute transition period was used
- Light intensity: 100 to 600 Lux
EFFECT PARAMETERS MEASURED (with observation intervals if applicable) : The test fish were observed for mortality and visible abnormalities.
TEST CONCENTRATIONS
- Spacing factor for test concentrations: not applicable
- Justification for using less concentrations than requested by guideline: This limit test was based on a range-finding test and was performed in compliance with the test guidelines to demonstrate that the test item has no toxic effect on fish up to at least this concentration.
- Range finding study
- Test concentrations: no data
- Results used to determine the conditions for the definitive study: The limit test was based on the results of a range-finding test (non-GLP). - Reference substance (positive control):
- not required
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 96 h
- Dose descriptor:
- LC50
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- act. ingr.
- Basis for effect:
- mortality (fish)
- Duration:
- 96 h
- Dose descriptor:
- LC0
- Effect conc.:
- >= 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- act. ingr.
- Basis for effect:
- mortality (fish)
- Duration:
- 96 h
- Dose descriptor:
- NOEC
- Effect conc.:
- >= 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- act. ingr.
- Basis for effect:
- mortality (fish)
- Duration:
- 96 h
- Dose descriptor:
- LOEC
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- act. ingr.
- Basis for effect:
- mortality (fish)
- Details on results:
- - Behavioural abnormalities: none reported
- Observations on body length and weight: none reported
- Other biological observations: none reported
- Mortality of control: no mortalities reported
- Other adverse effects control: none reported
- Abnormal responses: none reported
- Any observations (e.g. precipitation) that might cause a difference between measured and nominal values: none reported
- Effect concentrations exceeding solubility of substance in test medium: none reported - Results with reference substance (positive control):
- not applicable
- Reported statistics and error estimates:
- not statistics applied
Any other information on results incl. tables
- Sublethal observations / clinical signs:
Tab. 1: Mortality and Visible Abnormalities Observed in the Test Fish
Dry salt conc. (mg/l) Number of abnormal and dead fish Observation time (h) 3 24 48 72 96 Control 0 / 0 0 / 0 0 / 0 0 / 0 0 / 0 100 0 / 0 0 / 0 0 / 0 0 / 0 0 / 0 LC-50 >100 >100 >100 >100 >100
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- In conclusion, the test item had no acute toxic effects on zebra fish up to the nominal concentration of 100 mg dry salt cC604 ammonium salt/L (corresponding to 625 mg test item cC6O4 ammonium salt/L) under the present test conditions.
Considering the similarity of chemical structure between F- Diox potassium salt and cC6O4 ammonium salt, it can be concluded that the same degree of toxicity for F- Diox potassium salt is expected. - Executive summary:
In order to evaluate the short-term toxicity to fish of F- Diox potassium salt it was deemed appropriate to use the Read Across approach based on the experimental study performed on cC6O4 ammonium salt by virtue of similarity of chemical structure between F- Diox potassium salt and cC6O4 ammonium salt (CAS no: 1190931-27-1).
F-DIOX potassium salt and cC6O4 ammonium salt are two salts of the same carboxylic acid, they differ only for the cationic part (K+ in F-DIOX potassium salt and NH4+ in cC6O4 ammonium salt). F-DIOX potassium salt readily dissolves in aqueous media and dissociates to the corresponding carboxylic acid in equilibrium with its anion. The dissociation is expected to be similar for F-DIOX potassium salt and cC6O4 ammonium salt.
It is known that a potential significant contributor to the observed aquatic toxicity ofammonium salts of fluorinated carboxylic acids is theun-ionized ammonia present at the equilibrium in the aqueous solution. Therefore the proposed read across can be considered a worse case approach since the cationic part is the potassium salt.
A limit test was performed in accordance with the test guidelines to demonstrate that the test item cC6O4 ammonium salt has not toxic effect on zebra fish at a nominal concentration of 100 mg dry salt cC6O4 ammonium salt/L (corresponding to 625 mg test item cC6O4/L).
The analytically determined concentrations of the test item cC6O4 ammonium salt (calculated based on the measurements of the content of dry salt cC6O4 ammonium salt) in the test medium varied in the range from 81 to 103% of the nominal value. Thus the correct dosing of cC6O4 ammonium salt was confirmed. The dry salt cC6O4 ammonium salt was stable under the conditions of the test during the test period of 96 hours and the biological results were related to nominal concentrations of the dry salt cC6O4 ammonium salt.
In the control and in the test medium with a nominal concentration of 100 mg dry salt cC6O4 ammonium salt/L, all fishes survived until the end of the test and no visible abnormalities were observed at the test fish. Therefore the 96-hours NOEC and LC0 of the dry salt cC6O4 ammonium salt to zebra fish were determined to be at least 100 mg/L. These value might even be higher, but concentrations in excess of 100 mg dry salt cC6O4 ammonium salt/L have not been tested, in agreement with the guidelines. The 96-hours LOEC, LC50, LC 100 were clearly higher than 100 mg dry salt cC6O4 ammonium salt/L. These value could not be quantified due to the absence of toxicity of the test item cC6O4 ammonium salt at the tested concentration.
Considering the similarity of chemical structure between F- Diox potassium salt and cC6O4 ammonium salt, for F- DIOX potassium salt is expected the same degree of toxicity on zebra fish than for cC6O4 ammonium salt. Therefore it can be concluded that F-DIOX potassium salt does not show acute toxic effects on zebra fish.
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