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EC number: 454-790-0 | CAS number: -
- 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
Link to relevant study record(s)
- Endpoint:
- adsorption / desorption: screening
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 21.06.2004-07.07.2004
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 121 (Estimation of the Adsorption Coefficient (Koc) on Soil and on Sewage Sludge using High Performance Liquid Chromatography (HPLC))
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 835.1110 (Activated Sludge Sorption Isotherm)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- HPLC estimation method
- Media:
- other: reversed phase column packed with a commercial\y available cyanopropyl solid phase containing lipophilic and polar moieties
- Radiolabelling:
- no
- Details on study design: HPLC method:
- Reagents
Acetonitrile, Chromasolv Riedel de Haen
Methanol, Chromasolv Riedel de Haen
Cleaned water (laboratory equipment)
Distilled water, Roth
Dead time marker: Formamide, Merck
Calibration substances (Merck, Riedel de Haen, Table 2 and 4)
Instruments
Chromatographie apparatus refer chapter 4.4
Analytical balance Sartorius Rrn·o P
Ultrasonic bath Branson 3200
Variable pipettes, Brand
General laboratory glassware
HPLC equipment: HPLC pump G1312A, autosampler G1313A, column oven G1316A, degaser G1322A and Diode Array Detector G1315B by Agilent
Column: stationary phase: LiChrospher 100 CN 5μm by Duratec (9911-02)
material: stainless steel, dimensions: 250 mm x 4.6 mm
column temperature: 25 °C
Mobile Phase: methanol / cleaned water 75:25 % (v/v), isocratic elution
Flow rate: 1.0 ml/min
lnjection volume: 10 μI
Detection wavelength: 210 nm (dead time marker and calibration substances)
230 nm (lest item)
Injection amounts:
Dead time marker: 17.4 μg
Calibration substances: 0.68-1.93 μg
Testitem: 0.49 μg
The dead time marker and the calibration substances were dissolved in acetonitrile and diluted 0.1 to 1 in eluent and injected as single standards twice. The item was dissolved in methanol and diluted 0.1 to 1 in eluent and injected as single solution twice. - Key result
- Sample No.:
- #1
- Type:
- log Koc
- Value:
- ca. 3.448 dimensionless
- pH:
- 7
- Temp.:
- 25 °C
- Validity criteria fulfilled:
- yes
- Conclusions:
- The adsorption coefficient of the test item was found to be: log Koc 3.4
- Executive summary:
The adsorption coefficient of the test item was determined according to the "HPLC-method" described in guideline 67/548/EEC, annex C.19.
The adsorption coefficient of the test item was found to be: log Koc 3.4
Reference
Description of key information
The adsorption coefficient of the test item was found to be: log Koc 3.4
Key value for chemical safety assessment
- Koc at 20 °C:
- 2 511.89
Additional information
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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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