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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
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Diss Factsheets
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EC number: - | 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:
- 20-24 December 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: The study was performed according to OECD guidelines and following GLP principles.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 011
- Report date:
- 2011
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:
- other: Alga growth inhibition test, Daphnia Sp. acute immobilisation test, and fish acute toxicity test"(Yakushokuhatsu No. 1121002, Heisei 15.11.13, Seikyoku No. 2, Kanpokihatsu No.031121002, November 21, 2003; the latest revision, November 20, 2006
- GLP compliance:
- yes
Test material
- Details on test material:
- - Name of test material (as cited in study report): E-Y110
- Substance type: orange powder
- Physical state: solid
-Batch number: MB-1
- Stability under test conditions: stable
- Storage condition of test material: the test substance was stored in a desiccator (room temperature, shaded, air-tight)
Constituent 1
Sampling and analysis
- Analytical monitoring:
- yes
- Details on sampling:
- - Concentrations:0 and 100 mg/L
- Sampling method: not indicated
- Sample storage conditions before analysis: not indicated
Test solutions
- Vehicle:
- no
- Details on test solutions:
- The test solutions were prepared by dissolving 500 mg substance in 5000 ml dechlorinated water. The solution was mixed by stirring with a magnetic stirrer for 5 min. New test solutions were prepared at 0 and 48 h
Test organisms
- Test organisms (species):
- Oryzias latipes
- Details on test organisms:
- TEST ORGANISM
- Common name: Medaka
- Strain: Oryzias latipes
- Source: Tsunashima Fishing Co.
- Age at study initiation (mean and range, SD): less than 1/2 year after hatching
- Length: 2.08 cm (1.91-2.41 cm), n=10 (measurements for the control fish at the end of exposure)
- Weight: 0.076 g (0.052-0.116 g), n=10 (measurements for the control fish at the end of exposure)
- Feeding during test: none
ACCLIMATION
- Acclimation period: 13-20 December, 2010
- Acclimation conditions (same as test or not): yes
- Type and amount of food: TetraMin, TetraWerke
- Feeding frequency: daily until 24 h before exposure
- Health during acclimation (any mortality observed): less than 5% mortality during 7 days before the test
Study design
- Test type:
- semi-static
- Water media type:
- freshwater
- Total exposure duration:
- 96 h
Test conditions
- Hardness:
- 48 mg CaCO3/L
- Test temperature:
- 23.0 - 23.6
- pH:
- 7.4 - 7.9
- Dissolved oxygen:
- 7.2 - 8.2 mg/L
- Nominal and measured concentrations:
- Nominal: 0 and 100 mg/L
Measured (mean): 102 mg/L - Details on test conditions:
- TEST SYSTEM
- Test vessel: 5 L glass
- Type: closed
- Aeration: no
- Renewal rate of test solution (frequency/flow rate): batchwise renewal after 48 h exposure
- No. of organisms per vessel: 10
- No. of vessels per concentration (replicates): 1
- No. of vessels per control (replicates): 1
- Biomass loading rate: 10 fish per concentration
TEST MEDIUM / WATER PARAMETERS
- Source/preparation of dilution water:dechlorinated water processed by YOKOHAMA city tap water
- Total organic carbon: not detected
- Metals: only Al measured at 0.05 mg/L
- Pesticides: not detected
- Chlorine: not detected
- Alkalinity: at pH 4.8, 48 mg CaCO3/L
- Ca/mg ratio: 14/3 mg/L
- Culture medium different from test medium: no
- Intervals of water quality measurement: every six months
OTHER TEST CONDITIONS
- Adjustment of pH: no
- Photoperiod: 16 h light/ 8 h dark
- Light intensity: 1000 lux
EFFECT PARAMETERS MEASURED (with observation intervals if applicable) : median lethal concentration, every 24 h
TEST CONCENTRATIONS
- Spacing factor for test concentrations: only 0 and 100 mg/L; the results of the limit test were considered for the final test
- Range finding study: no
- Results used to determine the conditions for the definitive study:no death or abnormalityobserved up to 100 mg/L substance - Reference substance (positive control):
- yes
- Remarks:
- CuSO4 (II)*5H2O
Results and discussion
Effect concentrations
- Duration:
- 96 h
- Dose descriptor:
- LC50
- Effect conc.:
- > 100 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Remarks:
- the measured concentration was within 20% of the nominal
- Basis for effect:
- mortality (fish)
- Details on results:
- - Behavioural abnormalities: no
- Observations on body length and weight: not reported
- Other biological observations: not reported
- Mortality of control: no
- Other adverse effects control: no
- Abnormal responses: no
- Any observations (e.g. precipitation) that might cause a difference between measured and nominal values: no floating solids or precipitations observed
- Effect concentrations exceeding solubility of substance in test medium: no - Results with reference substance (positive control):
- Mortality: yes
- LC50: at 96 h was 0.57 mg/L (95% C.I of 0.39 - 0.80 mg/L)
the historical data from the laboratory (n = 59, since 1995). Average 0.81 +/- 0.27 mg/L (95% C.I. 0.33 - 1.5 mg/L)
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- Under the conditions of the study, E-Y 110 did not cause mortality in fish up to 100 mg/L (LC50 > 100 mg/L).
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.
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