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EC number: 816-285-7 | CAS number: 1263133-33-0
- 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 microorganisms
Administrative data
Link to relevant study record(s)
- Endpoint:
- toxicity to soil microorganisms
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 216 (Soil Microorganisms: Nitrogen Transformation Test)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 217 (Soil Microorganisms: Carbon Transformation Test)
- Deviations:
- no
- GLP compliance:
- yes
- Vehicle:
- yes
- Remarks:
- Deionized water
- Test organisms (inoculum):
- soil
- Total exposure duration:
- 28 d
- Test temperature:
- 18 to 22°C
- Moisture:
- 20.0% w/w, equivalent to 50% of maximum water holding capacity
- Nominal and measured concentrations:
- Nominal: 0.133 and 1.3 mg/kg soil dry weight
- Reference substance (positive control):
- yes
- Remarks:
- Sodium chloride
- Key result
- Duration:
- 28 d
- Remarks on result:
- other: The test substance at a concentrations of 1.3 mg/kg soil dry weight (corresponding to 20-times the maximum application rate) have no long-term influence on nitrogen and carbon transformation in soils.
- Validity criteria fulfilled:
- yes
- Conclusions:
- The test substance at a concentrations of 0.133 and 1.3 mg/kg soil dry weight have no long-term influence on nitrogen and carbon transformation in soils.
- Executive summary:
The study was conducted according to guidelines, OECD Guideline 216 and OECD Guideline 217 to evaluate the effect of test substance on soil microflora and to measure nitrogen transformation and short-term respiration following an application of the test item to loamy sand soil.
The test item was incubated in loamy sand soil over a period of 28 days for carbon transformation and nitrogen transformation at concentrations of 0.133 and 1.3 mg/kg soil dry weight. The concentrations tested were equivalent to 2- and 20-times maximum recommended single application rate of 25 g a.s./ha.
After 28 days, deviations in nitrate levels, nitrate formation rates and short-term respiration in soil treated with up to and including 1.3 mg/kg soil dry weight were less than 25% at the test end when compared to control indicating that no long term influence of the carbon and nitrogen transformation occurred in the soil.
The results showed that the difference in nitrate content between the two treatment groups (i.e., greater than and equal to the maximum predicted concentration in soil) and control was less than 25% at day 28, therefore the test item was evaluated as having no long-term influence on nitrogen transformation in soils.
The short-term respiration rate in soil treated with 0.133 and 1.3 mg/kg soil dry weight was statistically significantly different from the control at the end of the study (Day 28). At the end of the 28-day study, the respiration rate deviated 15.6% and 21.4% when compared to the control for the test concentrations of 0.133 and 1.3 mg/kg soil dry weight, respectively.
The difference in respiration rate between the two treatment groups (i.e., greater than and equal to the maximum predicted concentration) and control was less than 25% at sampling time after day 28, therefore the test item was evaluated as having no long-term influence on carbon transformation in soils.
These results conclude that the test substance had no long term influence on soil microbial nitrification or short-term respiration at concentrations up to and including 1.3 mg/kg soil dry weight after 28 days (deviations between treatments and controls for both nitrogen transformation and soil respiration were less than 25%, the effect threshold specified by the OECD guidelines). The highest test concentration of test item was based on twenty-times the recommended single maximum field application rate. The results indicate that there is a large margin of safety for test subsatnce for microbial processes in soil.
Reference
Description of key information
The test substance at a concentrations of 0.133 and 1.3 mg/kg soil dry weight have no long-term influence on nitrogen and carbon transformation in soils; OECD 216, 217; Reliability = 1
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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