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Diss Factsheets
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EC number: - | 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
Water solubility
Administrative data
Link to relevant study record(s)
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 02 July 2019 to 05 September 2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7840 (Water Solubility)
- Version / remarks:
- 1998
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- flask method
- Water solubility:
- 12.6 mg/L
- Conc. based on:
- test mat.
- Loading of aqueous phase:
- 100 mg/L
- Incubation duration:
- 72 h
- Temp.:
- 20 °C
- pH:
- >= 8.32 - <= 8.84
- Remarks on result:
- other: TOC analysis
- Water solubility:
- 26.3 mg/L
- Conc. based on:
- test mat.
- Loading of aqueous phase:
- 100 mg/L
- Incubation duration:
- 72 h
- Temp.:
- 20 °C
- pH:
- >= 8.32 - <= 8.48
- Remarks on result:
- other: phosphorus analysis
- Details on results:
- RESULTS AND DISCUSSION
- Mean measured water solubility for the test substance concentrations in samples processed from the treated test vessel stirred and equilibrated at a mean temperature of 20 ± 1 °C for 24, 48 and 72 were 12.6 ± 0.4 mg/L by TOC analysis (see Table 4, attached) and 26.3 ± 1.3 mg/L by phosphorus analysis (see Table 6, attached).
- The replicate determinations of TOC analysed samples gave a percent difference of 3.94 % between hours 24 and 48 and 4.00 % difference between hours 48 and 72.
- The replicate determinations of ICP-OES analysed samples had a percent difference of 4.63 % between hours 24 and 48 and 6.90 % difference between hours 48 and 72.
- All percent determinations values were within the protocol criteria for determining the test system had attained water solubility equilibrium, and the test was terminated after the confirmation percent difference.
- Representative TOC combustion profiles of solubility samples are presented in Figure 4 (attached).
- Representative phosphorus emission spectra of solubility sample are presented in Figure 6 (attached).
- The pH of the dilution water used to prepare the test system vessels was 8.32 at a mean temperature of 20 ± 1 °C. The measured pH of an aliquot from the treated test vessel stirred and equilibrated at a temperature of 20 ± 1 °C for 24, 48, and 72 hours was 8.32, 8.47, and 8.48, respectively. The measured pH of an aliquot from the negative control stirred and equilibrated at 20 ± 1 °C for 24, 48, and 72 hours was 8.30, 8.45, and 8.45. - Conclusions:
- The mean water solubility of the 24, 72 and 96 hour intervals (n = 9) of the test substance at a mean of 20 ± 1°C was determined to be 12.6 ± 0.4 mg/L by TOC and 26.3 ± 1.3 mg/L by ICP-OES.
- Executive summary:
GUIDELINE
A study was performed to estimate the water solubility of the test item in freshwater. The study was performed based in part on procedures in the U.S. EPA Product Properties Test Guidelines, OPPTS 830.7840, Water Solubility: Column Elution Method; Shake Flask Method and OECD Guideline for the Testing of Chemicals, 105: Water Solubility.
METHODS
The water solubility of the test substance in freshwater at a mean of 20 ± 1 °C was determined using the slow stir method. Non-treated and replicate treated solubility samples were collected after every 24 hours of slow-stirring and analysed using total organic carbon (TOC) analysis and ICP-OES analysis.
RESULTS
Mean measured water solubility for the test substance concentrations in samples processed from the treated test vessel stirred and equilibrated at a mean temperature of 20 ± 1 °C for 24, 48 and 72 were 12.6 ± 0.4 mg/L by TOC analysis and 26.3 ± 1.3 mg/L by phosphorus analysis.The replicate determinations of TOC analysed samples gave a percent difference of 3.94 % between hours 24 and 48 and 4.00 % difference between hours 48 and 72. The replicate determinations of ICP-OES analysed samples gave a percent difference of 4.63 % between hours 24 and 48 and 6.90 % difference between hours 48 and 72. All percent determinations values were within the protocol criteria for determining the test system had attained water solubility equilibrium, and the test was terminated after the confirmation percent difference.
CONCLUSION
The mean water solubility of the 24, 72 and 96 hour intervals (n = 9) of the test substance at a mean of 20 ± 1°C was determined to be 12.6 ± 0.4 mg/L by TOC and 26.3 ± 1.3 mg/L by ICP-OES.
Reference
Description of key information
The mean water solubility of the 24, 72 and 96 hour intervals (n = 9) of the test substance at a mean of 20 ± 1°C was determined to be 12.6 ± 0.4 mg/L by TOC and 26.3 ± 1.3 mg/L by ICP-OES (OECD 105 and
OPPTS 830.7840).
Key value for chemical safety assessment
- Water solubility:
- 26.3 mg/L
- at the temperature of:
- 20 °C
Additional information
GUIDELINE
A study was performed to estimate the water solubility of the test item in freshwater. The study was performed based in part on procedures in the U.S. EPA Product Properties Test Guidelines, OPPTS 830.7840, Water Solubility: Column Elution Method; Shake Flask Method and OECD Guideline for the Testing of Chemicals, 105: Water Solubility.
METHODS
The water solubility of the test substance in freshwater at a mean of 20 ± 1 °C was determined using the slow stir method. Non-treated and replicate treated solubility samples were collected after every 24 hours of slow-stirring and analysed using total organic carbon (TOC) analysis and ICP-OES analysis.
RESULTS
Mean measured water solubility for the test substance concentrations in samples processed from the treated test vessel stirred and equilibrated at a mean temperature of 20 ± 1 °C for 24, 48 and 72 were 12.6 ± 0.4 mg/L by TOC analysis and 26.3 ± 1.3 mg/L by phosphorus analysis.The replicate determinations of TOC analysed samples gave a percent difference of 3.94 % between hours 24 and 48 and 4.00 % difference between hours 48 and 72. The replicate determinations of ICP-OES analysed samples gave a percent difference of 4.63 % between hours 24 and 48 and 6.90 % difference between hours 48 and 72. All percent determinations values were within the protocol criteria for determining the test system had attained water solubility equilibrium, and the test was terminated after the confirmation percent difference.
CONCLUSION
The mean water solubility of the 24, 72 and 96 hour intervals (n = 9) of the test substance at a mean of 20 ± 1 °C was determined to be 12.6 ± 0.4 mg/L by TOC and 26.3 ± 1.3 mg/L by ICP-OES.
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