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EC number: 815-137-9 | CAS number: 573762-62-6
- 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:
- 08 Apr 2021 to 12 Apr 2021
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 021
- Report date:
- 2021
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 203 (Fish, Acute Toxicity Test)
- Version / remarks:
- June 2019
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: MEP, P.R. China, the Guidelines for the Testing of Chemicals, Effects on Biotic Systems, No. 203 “Fish Acute Toxicity Test”.
- Version / remarks:
- China Environmental Press, 2013.8.
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: SANCO/12571/2013
- Version / remarks:
- November 2013 rev.0, Implemented by 01/01/2014
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- 5-amino-3-(trifluoromethyl)pyridine-2-carbonitrile
- EC Number:
- 815-137-9
- Cas Number:
- 573762-62-6
- Molecular formula:
- C7H4F3N3
- IUPAC Name:
- 5-amino-3-(trifluoromethyl)pyridine-2-carbonitrile
- Details on test material:
- - Appearence : Slightly yellowish brown fine powder
- CAS Number: 573762-62-6
- Molecular formula: C7H4F3N3
- Molecular weight: 187.12
Constituent 1
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Lot/batch No.of test material: BI03K2005005
- Expiration date of the lot/batch: 2021-06-02 (retest date)
- Purity: 99.7%
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: At room temperature protected from light
Sampling and analysis
- Analytical monitoring:
- yes
- Details on sampling:
- - Concentrations of the test chemical were analysed at the start of the test in the fresh solutions and at the end of the test in the 96-hour old solutions. About 20 mL sample was taken from test solutions and control solution.
Test solutions
- Details on test solutions:
- According to the results of the range-finding test, the definitive test was carried out at 5 concentrations, and a concurrent control group was performed with 10 L test water. The details were as follows:
-Test concentration: 25.0, 35.4, 50.0, 70.7 and 100 mg/L, a control group was conducted concurrently.
-Blank Control: Test medium without test item or other additives
Preparation of test solutions:
0.2501 g, 0.3540 g, 0.5002 g, 0.7070 g and 1.0003 g test item were weighed and dissolved in 10 L of test water by magnetic stirring for 4 hours, respectively. After the test item was dissolved completely, the solutions were used for exposure.
Test organisms
- Test organisms (species):
- other: Rare Minnow (Gobiocypris rarus)
- Details on test organisms:
- Test organism name: Rare Minnow (Gobiocypris rarus)
Batch No.: Rare Minnow 20210119
Origin: The fish were reproduced in this facility.
Their parental generation was introduced from CTI Chemical Safety Evaluation Research Center (SUZHOU) CO., LTD.
Reason for the selection of the test system: This system has been selected as a recommended species of MEP, P.R. China Guideline for the Testing of Chemicals No.203
loading: <0.8 g wet weight fish/L water
total length: 1.85 - 2.00 cm
body weight: 0.0807-0.1011 g
Holding Conditions:
Acclimation: From hatching, there were no signs of disease or significant numbers of mortality. During the acclimating period, the fish were held in identical water quality and illumination conditions as used in the test.
Feeding: twice a day on weekdays and once a day during the weekends before the start of the test
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 96 h
Test conditions
- Hardness:
- 190 mg/L (as CaCO3)
- Test temperature:
- 23.6 - 25.2 °C
- pH:
- 7.38 - 8.10
- Dissolved oxygen:
- 75.5 - 105.5 % (ASV)
- Salinity:
- not relevant
- Conductivity:
- not indicated
- Nominal and measured concentrations:
- nominal concentrations: 25.0, 35.4, 50.0, 70.7 and 100 mg/L
The test concentrations were satisfactorily maintained in the range of 80-120% of nominal concentrations; see also table below in 'Any other information on materials and methods incl. tables' - Details on test conditions:
- TEST SYSTEM
- Test vessel: Glass bottles
- Material, size: diameter: 22 cm, height: 35 cm
- volume: 10L
- Aeration: not during the test
- No. of organisms per vessel: 7
- No. of vessels per concentration (replicates): 1
- No. of vessels per control (replicates): 1
- Biomass loading rate: 0.06608 g fish/L, i.e. 0.6608 g per 10 Liter of medium
- no feeding during test
OTHER TEST CONDITIONS
- Photoperiod: 16h light daily: 8 hours darkness and an intensity of 620 - 666 lux
EFFECT PARAMETERS MEASURED (with observation intervals if applicable) : Fish were considered to be dead when no reaction was observed after touching the caudal peduncle and visible breathing movements were absent.
TEST CONCENTRATIONS
- Range finding study: yes
- Test concentrations: 1.0, 10, 50 and 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 concentrations
- Key result
- Duration:
- 96 h
- Dose descriptor:
- LC50
- Effect conc.:
- 42.665 mg/L
- 95% CI:
- >= 33.96 - <= 51.62
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality (fish)
- Details on results:
- - Mortality of control: none
- Other adverse effects control: no
- the fish exposed to the test concentration of 35.4 mg/L showed visible toxic signs such as loss of balance and no death
- the fish exposed to the test concentration of 50.0, 70.7 and 100 mg/L showed visible toxic signs such as loss of balance, head up or down, floating at surface, sinking and immobility and 100% immobility occurred after 24h - Results with reference substance (positive control):
- - Results with reference substance valid? yes
- LC50: 24-h LC50 = 299.86 mg/L. - Reported statistics and error estimates:
- Probit method (IBM SPSS Statistics 28.0) was used to derive the LC50 value and 95% confidence limit
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- The acute toxicity of T003630 to Rare Minnow (Gobiocypris rarus) was determined in a 96 hour static limit test according to the OECD guideline 203. The 96-h LC50 was 42.665 mg/L
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