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EC number: 406-080-7 | CAS number: 83016-70-0 JEFFCAT ZF-10; TEXACAT ZF-10
- 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:
- 1997-08-04 to 1997-08-13
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: OECD Draft Document TGP/94.75 (April 1994) (HPLC Method)
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 121 (Estimation of the Adsorption Coefficient (Koc) on Soil and on Sewage Sludge using High Performance Liquid Chromatography (HPLC))
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- HPLC estimation method
- Media:
- soil
- Specific details on test material used for the study:
- - Name of test material (as cited in study report): JEFFCAT ZF-10
- Physical state: Clear liquid
- Lot/batch No.: 186-2-05/95 - Radiolabelling:
- no
- Details on study design: HPLC method:
- EQUIPMENT
- Apparatus:
Autosampler: Model ISS 200, Perkin Elmer
Pump: Model 25 0 Binary Pump, Perkin Elmer.
Detector: Model UV 1000, Spectra Physics.
Data handling system: Model 1020, PE Nelson.
Printer: Model SQ-850, Epson.
- Type, material and dimension of analytical (guard) column: Cyano Apex 25 cm x 4.6 mm id.
- Detection system: Model UV 1000, Spectra Physics
MOBILE PHASES
- Type: 0.01 M citrate buffer at pH 6: methanol 50150 v/v
DETERMINATION OF DEAD TIME
- Method: The dead time (the average time a solvent molecule needs to pass through the column) was taken as 3.119 minutes, the time of the earliest consistently appearing peak (mean of 3.127 and 3.1 10). Thiourea, a recommended organic compound for the measurement of the dead time, was used.
REFERENCE SUBSTANCES
- Identity: Atrazine, Linuron, Diclofop-methyl, Quintozen, Sulprofos and Isofenphos
DETERMINATION OF RETENTION TIMES
- Quantity of test substance introduced in the column: 50 microliters (5 16.60 micrograms for test A and 556.45 mircograms for test B)
- Intervals of calibration: N/A
REPETITIONS
- Number of determinations: 2 - Analytical monitoring:
- no
- Details on test conditions:
- TEST SYSTEM
- Method of preparation of test solution: Test substance 0.10332g, test A and 0.11129g, test B was weighed into a volumetric flask, 725 µl methanol was added and the contents diluted to 10 ml with water.
HPLC conditions
Column: Cyano Apex 25 cm x 4.6 mm id.
Mobile phase: 0.01 M citrate buffer at pH 6: methanol 50150 vlv
Flow rate: 1.0 ml/min
Pressure: 2200 psi
Analytical wavelength: 210 nm
Injection volume: 50 micro liters
Chart speed: 5 mm/min
Range: 0-130 millivolts (blank, reference mixture and thiourea solutions) 0- 175 millivolts (test solutions) - Type:
- Koc
- Value:
- 11 754 dimensionless
- Key result
- Type:
- log Koc
- Value:
- 4.07 dimensionless
- Details on results (HPLC method):
- - Retention times of reference substances used for calibration: The dead time was determined as 3.119 minutes (mean of 3.127 and 3.110 minutes) and the mean times of the reference compounds ranged from 4.3635 to 18.359 minutes.
- Details of fitted regression line (log k' vs. log Koc): A linear regression analysis of the results provided a slope of 0.33664 an intercept of -0.91283 correlation coefficient of 0.96127
A mean retention time of 12.058 minutes was obtained for Jeffcat ZF-10 giving a log k value of 0.45737. This gives a log Koc, value of 4.07 and therefore Koc, value of 11754. - Transformation products:
- not measured
- Validity criteria fulfilled:
- yes
- Conclusions:
- The soil adsorption coefficient for the test substance has been determined to to be 4.07 for Log Koc and 11745 for Koc. This result indicates that the test substance will be highly bound to organic matter in soils.
Reference
Description of key information
The determination of Soil Adsorption Coefficient for the test substance by HPLC was conducted as described by OECD draft document TGP/94.75 (April 1994) and followed GLP. The soil adsorption coefficient for the test substance has been determined to be 4.07 for Log Koc and 11754 for Koc. This result indicates that the test substance will be highly bound to organic matter in soils.
Key value for chemical safety assessment
- Koc at 20 °C:
- 11 754
Additional information
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