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EC number: 700-093-4 | CAS number: 176969-34-9
- 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
Adsorption / desorption
Administrative data
- Endpoint:
- adsorption / desorption: screening
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 106 (Adsorption - Desorption Using a Batch Equilibrium Method)
- GLP compliance:
- yes
- Type of method:
- batch equilibrium method
- Media:
- soil
Test material
Constituent 1
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: 945-0101
RADIOLABELLING INFORMATION (if applicable)
- Radiochemical purity: 99.8 %
- Specific activity: 12 MBq/mg - Radiolabelling:
- yes
Study design
- Test temperature:
- 20 °C
Batch equilibrium or other method
- Analytical monitoring:
- yes
- Details on sampling:
- - Concentrations: 1.0, 0.5, 0.1, 0.05 and 0.01 mg/L
- Soil/Solution ratio: 1/1
- Sampling interval: The tubes were agitated for 48 hours in the dark at 20°C. After incubation, tubes were centrifuged at and the radioactivity of samples was determined by liquid scintillation spectrometers. HPLC was performed on adsorption supernatants.
Matrix propertiesopen allclose all
- Matrix no.:
- #1
- Matrix type:
- sand
- % Org. carbon:
- 0.52
- pH:
- 5.2
- Matrix no.:
- #2
- Matrix type:
- sandy loam
- % Org. carbon:
- 2.74
- pH:
- 5.6
- Matrix no.:
- #3
- Matrix type:
- loamy sand
- % Org. carbon:
- 0.88
- pH:
- 5.9
- Matrix no.:
- #4
- Matrix type:
- silt loam
- % Org. carbon:
- 0.9
- pH:
- 6.3
- Matrix no.:
- #5
- Matrix type:
- silt loam
- % Org. carbon:
- 1.63
- pH:
- 6.5
- Matrix no.:
- #6
- Matrix type:
- sandy loam
- % Org. carbon:
- 1.09
- pH:
- 6.9
- Matrix no.:
- #7
- Matrix type:
- silty clay loam
- % Org. carbon:
- 3.84
- pH:
- 7.5
- Matrix no.:
- #8
- Matrix type:
- sandy loam
- % Org. carbon:
- 0.41
- pH:
- 7.6
- Details on matrix:
- COLLECTION AND STORAGE
- Soil preparation (e.g.: 2 mm sieved; air dried etc.): Soils were air dried at room temperature and passed through a 2 mm screen prior to use. - Details on test conditions:
- TEST SYSTEM
- Type, size and further details on reaction vessel: 5 mL Luer lock syringes, each prepared with a 20 urn disposable
frit and closed with a cock
- Amount of soil/sediment/sludge and water per treatment (if simulation test): tubes were filled with 2 g of soil and ml application solution was pipetted onto the soil.
- Number of reaction vessels/concentration: 2
- Method of preparation of test solution: A stock solution of 1.23849 mg of the 1 4C-labelled test item in 10 mL of acetonitrile was prepared. To create application solution A, 0.81 mL of the stock solution was dried under a nitrogen stream and dissolved in 100 mL of 0.01 M aqueous CaCI2.Further solutions were prepared by diluting of solution A with 0.01 M CaCl2
Results and discussion
Adsorption coefficientopen allclose all
- Sample No.:
- #1
- Type:
- Koc
- Value:
- 4.2
- pH:
- 5.2
- Temp.:
- 20 °C
- Matrix:
- Sand
- Sample No.:
- #2
- Type:
- Koc
- Value:
- 65.8
- pH:
- 5.6
- Temp.:
- 20 °C
- Matrix:
- Sandy loam
- Sample No.:
- #3
- Type:
- Koc
- Value:
- 3.6
- pH:
- 5.9
- Temp.:
- 20 °C
- Matrix:
- Loamy sand
- Sample No.:
- #4
- Type:
- Koc
- Value:
- 3.4
- pH:
- 6.3
- Temp.:
- 20 °C
- Matrix:
- Silt loam
- Sample No.:
- #5
- Type:
- Koc
- Value:
- 6.7
- pH:
- 6.5
- Temp.:
- 20 °C
- Matrix:
- Silt loam
- Sample No.:
- #6
- Type:
- Koc
- Value:
- 0.5
- pH:
- 6.9
- Temp.:
- 20
- Matrix:
- Sandy loam
- Sample No.:
- #7
- Type:
- Koc
- Value:
- 0
- pH:
- 7.5
- Temp.:
- 20
- Matrix:
- Silty clay loam
- Sample No.:
- #8
- Type:
- Koc
- Value:
- 0
- pH:
- 7.6
- Temp.:
- 20
- Matrix:
- Sandy loam
Applicant's summary and conclusion
- Conclusions:
- The adsorption behaviour of the test item was determined in five European soils,
two North American soils and one Japanese soil, which covered a range of pH from 5.2 to
7.6, a range of organic carbon content from 0.41% to 3.84%. The soils were classified by
USDA scheme into 5 different textural classes: 3 sandy loam, 2 silt loam, 1 loamy sand, 1
silty clay loam and 1 sand.
The Freundlich adsorption coefficients KF covered a range from 0 to 0.11 mL/g for seven
soils with a value of 1.8 for the Obihiro soil. The K F 0 C values ranged from 0 mL/g to 6.7 mL/g,
except for soil Obihiro the value was 65.8 mL/g. The overall mean Koc is 10.5 and the logKOC is 1.02. Thus, adsorption of the test item to solid soil phase is not expected.
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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