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EC number: 479-540-8 | CAS number: 61007-89-4
- 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
Toxicity to soil macroorganisms except arthropods
Administrative data
- Endpoint:
- toxicity to soil macroorganisms except arthropods: short-term
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2002-10-16 to 2003-01-28
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: OECD study, GLP
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 003
- Report date:
- 2003
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 207 (Earthworm, Acute Toxicity Tests)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- -
- EC Number:
- 479-540-8
- EC Name:
- -
- Cas Number:
- 61007-89-4
- Molecular formula:
- C27 H27 Mn N4 O3
- IUPAC Name:
- manganese(3+) 2-[({2-[bis(2-{[(2-oxidophenyl)methylidene]amino}ethyl)amino]ethyl}imino)methyl]benzen-1-olate
Constituent 1
Test substrate
- Details on preparation and application of test substrate:
- - Method of mixing into soil:
The total amount of soil needed for the 4 replicates per treatment level was prepared in one batch, hence 2100 g of dry soil corresponding to 2940 g of wet soil (at a moisture content of 40 % of the dry weight) was made up. Mixing of the soil took place in a BEAR Varimixer RN 20. Since the test item was not soluble at the desired concentrations in deionised water, 40 g of a stock mixture of test item and fine quartz sand was made up for each test concentration. To reach a test concentration of 95 mg/kg of dry weight of soil, 199.6 mg of test item was mixed thoroughly into the sand and then added to the dry blended constituents of the artificial soil. For test concentrations of 171, 309, 556 and 1000 mg/kg dry weight of soil, 359.2, 648.9, 1167.8 and 2099.8 mg of test item, respectively, were pre-mixed with sand and then added to 2060 g (dry weight) of artificial soil. To obtain the desired soil moisture of approximately 40%, for each treatment level 430 mL of deionised water were added to the soil. The moist soil was again thoroughly mixed and then divided up into the test vessels with each test vessel containing approximately 700g of soil (wet weight) corresponding to 500 g dry soil.
Test organisms
- Test organisms (species):
- Eisenia fetida
- Animal group:
- annelids
- Details on test organisms:
- TEST ORGANISM
- Common name: earthworm
- Source: Ecotox Center, Solvias AG
- Age at test initiation: 10 months
- Weight at test initiation: wet mass between 299 and 321 mg
ACCLIMATION
- Acclimation period: 24 hours
- Acclimation conditions: same as test
Study design
- Study type:
- laboratory study
- Substrate type:
- artificial soil
- Limit test:
- no
- Total exposure duration:
- 14 d
Test conditions
- Test temperature:
- 20.0 - 20.5°C
- pH:
- 6.0 ± 0.5
- Moisture:
- 40 %
- Details on test conditions:
- TEST SYSTEM
- Test container (material, size): 1.5 L glass bottling jars
- Amount of soil or substrate: 700 g of moist soil (500 g dry weight)
- No. of organisms per container (treatment): 40 per treatment level
- No. of replicates per treatment group: 4
SOURCE AND PROPERTIES OF SUBSTRATE (if soil)
- artificial soil in accordance to the guideline
OTHER TEST CONDITIONS
- Photoperiod: Continuous fluorescent light
- Light intensity: 650 Lux
EFFECT PARAMETERS MEASURED:
- Soil water content: each test concentration and the control measured at the start and the end of the test
- pH: each batch of soil was measured using a Knick Portamess 751 pH meter with a Mettler Toledo probe
- Temperature: in the environmental chamber was recorded continuously using an Atkins Recorder & Thermometer
- Light intensity: measured at the beginning of the test using a Metrux K Lux meter
- Weight of each earthworm: determined individually at test initiation, the weight of ten earthworms for each replicate was recorded. At test termination, the weight of the surviving earthworms for each replicate of each test concentration was recorded.
- Mortality and perceivable sublethal effects, such as abnormal behaviour or flaccidity: after 7 and 14 days of exposure
VEHICLE CONTROL PERFORMED: no
TEST CONCENTRATIONS
- Spacing factor for test concentrations: 1.8 - Nominal and measured concentrations:
- 95,171, 309, 556 and 1000 mg test item/kg dry weight of soil (nominal)
- Reference substance (positive control):
- yes
- Remarks:
- Chloracetamide
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 14 d
- Dose descriptor:
- LC0
- Effect conc.:
- 309 mg/kg soil dw
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality
- Duration:
- 14 d
- Dose descriptor:
- LC50
- Effect conc.:
- 437 mg/kg soil dw
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality
- Remarks on result:
- other: 309 - 556
- Duration:
- 14 d
- Dose descriptor:
- NOEC
- Effect conc.:
- 309 mg/kg soil dw
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- other: weight
- Details on results:
- - Changes in body weigth of live adults (% of initial weight) at end of exposure period: The average live weight of the earthworms in the control and test concentrations of 95, 171, 309 and 556 mg test item/kg dry weight of soil, changed to a weight of 101, 98, 99, 101 and 104% of the initial weight during the 14 days of exposure, respectively. The average weight change (in %) in comparison to the controls was not significantly different (Dunnett-test; a = 0.05, one-sided, smaller) in any of the test concentrations. The treatment concentration of 556 mg/kg test item was excluded from statistical comparison since too few individuals survived the treatment. Hence the NOEC (14d) regarding earthworm weight was determined to be 309 mg test item/kg dry weight of soil.
- Morphological abnormalities: At a test concentration of 556 mg/kg dry weight of soil, light sublethal effects (flaccidity of surviving earthworms) were observed at 7 and 14 days of the test. - Reported statistics and error estimates:
- The statistical analysis of the data was performed with a statistical program (Easy Assay 3.0). The LC 50 value at 7 and 14 days and the confidence limits were determined by binomial distribution. For the determination of the NOEC in regard to average live weight of test organisms, Dunnett multiple sequential test procedure was performed (Easy Assay 4.0).
Applicant's summary and conclusion
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