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EC number: 224-152-4 | CAS number: 4216-02-8
- 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
Link to relevant study record(s)
- Endpoint:
- short-term toxicity to fish
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2015-09-14 to 2015-09-18
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- According to OECD 203 and GLP
- 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
- Analytical monitoring:
- no
- Vehicle:
- no
- Details on test solutions:
- PREPARATION AND APPLICATION OF TEST SOLUTION
Preparation of the saturated solution
The saturated solution (1.00 mg/L test item was weighed out) was prepared with dilution water two days prior to the start of exposure (0 h).
Treatment
The stock solution was stirred for 48 hours (1100 rpm) with a magnetic stirrer. Undissolved particles were removed by membrane filtration (membrane filter 0.45 µm, RC, Macherey-Nagel).
Control
7 fish in dilution water (without test item) were tested under the same test conditions as the test replicates. - Test organisms (species):
- Danio rerio (previous name: Brachydanio rerio)
- Details on test organisms:
- TEST ORGANISM
- Common name: Zebrafish
- Source: All fish used in the test were gained at DR.NOACK-LABORATORIEN from a single brood stock. (supplier: Niedersächsischer Landesbetrieb für Wasserwirtschaft, Küsten- und NAturschutz, An der Scharlake 39, D-31135 Hildesheim)
- Length at the test end (length definition, mean, range and SD): Average body length: 2.36 cm
- Weight at the test end (mean and range, SD): Average body weight: 0.156 g
- Method of breeding:Holding was performed at the test facility at 23 +/- 2 °C and diffuse light (0.1 - 10 µmol photons • m-2 • s-1, natural photoperiod). The water was changed at least once per week. The dissolved oxygen concentration was more than 80 % of the air saturation value. No disease treatments were administered throughout holding and testing. Food was provided 3 times per week. The amount of food was 4 % of the fish body weight per feeding day. The test fish were not fed 24 h before the test started.
- Feeding during test: No feeding during test
ACCLIMATION
- Acclimation period: Zebrafish with at least 12 days of acclimatisation and mortality < 5 % within these days before the study starts were used in the test.
- Acclimation conditions (same as test or not): Same as test
- Type and amount of food: 4 % of the fish body weight per feeding day. The test fish were not fed 24 h before the test started. Food: Sera Vipan; SERA GMBH, D-52518 Heinsberg
- Feeding frequency: 3 times per week.
- Health during acclimation (any mortality observed): No mortality observed, no disease treatments were administered throughout holding and testing.
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 96 h
- Hardness:
- Total Hardness at day 0: 64 mg/L
- Test temperature:
- Please refer to "Any other information on materials and methods"
- pH:
- Please refer to "Any other information on materials and methods"
- Dissolved oxygen:
- Please refer to "Any other information on materials and methods"
- Salinity:
- Not measured, freshwater
- Nominal and measured concentrations:
- Please refer to "Any other information on materials and methods incl. tables"
- Details on test conditions:
- TEST SYSTEM
- Test vessel: Glass aquaria (3 L)
- Type (delete if not applicable): open, loosely covered by glass tops
- Material, size, headspace, fill volume: glass, 2 L test volume per vessel
- Aeration: Gentle aeration
- Renewal rate of test solution (frequency/flow rate): A static procedure with one application at the start of the study was performed.
- No. of organisms per vessel: 7
- No. of vessels per concentration (replicates): 1
- No. of vessels per control (replicates): 1
- Biomass loading rate: less than 1 g fish per L test solution
TEST MEDIUM / WATER PARAMETERS
- Source/preparation of dilution water: Tap water of local origin was used for holding and testing. The water was filtered on activated charcoal and aerated for at least 24 h to remove possible chlorine.
Nominal water parameters:
Total hardness: 10 - 250 mg CaCO3/L
pH-value: 6.0 - 8.5
- Culture medium different from test medium: no
- Intervals of water quality measurement: pH-value, temperature and oxygen saturation were measured in all vessels at the beginning of the test and every 24 h (from old and new media). Total hardness of the water was determined at the beginning out of the test control. During the test the water temperature was recorded continuously with a data logger (once per hour).
OTHER TEST CONDITIONS
- Adjustment of pH: No
- Photoperiod: natural
- Light intensity: 0.1 - 10 µmol photons x m-2 x s-1
EFFECT PARAMETERS MEASURED (with observation intervals if applicable) : Fish were considered dead if there was no visible movement (e.g. gill covers movement) and if touching of the caudal peduncle produced no reaction. Records were kept of visible abnormalities (e.g. loss of equilibrium, swimming behaviour, respiratory function, pigmentation, etc.). Observations were made after 24, 48, 72 and 96 h.
- Reference substance (positive control):
- no
- Duration:
- 96 h
- Dose descriptor:
- LC0
- Effect conc.:
- 1 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality (fish)
- Duration:
- 96 h
- Dose descriptor:
- LC100
- Effect conc.:
- > 1 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality (fish)
- Details on results:
- - Behavioural abnormalities: Not observed
- Mortality of control: 0%
- Other adverse effects control: Not observed
- Abnormal responses: Not observed
- Any observations (e.g. precipitation): The test solutions were clearly throughout the exposure. - Results with reference substance (positive control):
- No reference substance tested
- Reported statistics and error estimates:
- LC50-values do not have to be calculated in a limit test. The LC0 and LC50 after 96 hours were determined directly from the raw data of the limit concentration.
- Validity criteria fulfilled:
- yes
- Conclusions:
- In this study, the saturated solution of the test item was found not to cause lethal effects to zebrafish after 96 hours at a nominal concentration of 1.00 mg/L. The LC50 after 96 hours was > 1.00 mg/L, the LC0 was 1.00 mg/L.
- Executive summary:
The acute toxicity of the test item (batch no. USEA016274) to fish (zebrafish) was determined according to the principles of the OECD-Guideline for Testing of Chemicals No. 203 (1992) and EU Council Regulation (EC) No. 440/2008/ Method C.1 (2008) .
A static test was conducted with a saturated solution prepared from a nominal concentration of 1.00 mg/L. The duration of the test was 96 hours. 7 test organisms each were exposed to the limit concentration and the control, respectively. The water quality parameters temperature, pH-value and oxygen saturation measured at 0, 24, 48, 72 and 96 hours were determined to be within the acceptable limits.
The concentrations of the test item were not determined analytically because no suitable method for the determination of the test item could be established. All effect values are presented based on the nominal test item concentration.
LC-Values(0 – 96 hours)of the Test Item
Based on nominal test item concentration [mg/L]
Nominal test item concentration
[mg/L]
LC0=
Highest test item concentration with 0 % mortality after 96 hours1.00
LC100=
Lowest test item concentration with 100 % mortality after
96 hours> 1.00
- Endpoint:
- short-term toxicity to fish
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Justification for type of information:
- Please refer to attached read across justification document (Chapter 13).
- Reason / purpose for cross-reference:
- read-across source
- Duration:
- 96 h
- Dose descriptor:
- LC0
- Effect conc.:
- 1 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality (fish)
- Duration:
- 96 h
- Dose descriptor:
- LC100
- Effect conc.:
- > 1 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality (fish)
- Validity criteria fulfilled:
- yes
- Conclusions:
- the saturated solution of the test item was found not to cause lethal effects to zebrafish after 96 hours at a nominal concentration of 1.00 mg/L. The LC50 after 96 hours was > 1.00 mg/L, the LC0 was 1.00 mg/L.
Referenceopen allclose all
Description of key information
The saturated solution of the test item was found not to cause lethal effects to zebrafish after 96 hours at a nominal concentration of 1.00 mg/L.
Key value for chemical safety assessment
Additional information
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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