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Diss Factsheets
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EC number: 700-801-1 | 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
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Study period:
- 24.02.2011
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Study according to OECD 105 but not under GLP conditions
- Data waiving:
- study technically not feasible
- Justification for data waiving:
- other:
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 011
- Report date:
- 2011
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Deviations:
- yes
- Remarks:
- not applicable
- GLP compliance:
- no
- Type of method:
- flask method
Test material
- Reference substance name:
- Bottom product of propylene oxide and styrene production
- IUPAC Name:
- Bottom product of propylene oxide and styrene production
- Details on test material:
- - Name of test material (as cited in study report): KORE grade V
- Substance type: UVCB
- Physical state: Brown viscous liquid
- Stability under test conditions: months
- Storage condition of test material: room temperature
Constituent 1
Results and discussion
Any other information on results incl. tables
Method
A test was performed to determine a value of the water solubility and the effect of different loads.
Therefore three Erlenmeyer flasks were equipped with magnetic stir bars and 50 ml double distilled water was added. Each of the three Erlenmeyer flasks was prepared with different loads. 0.5 g, 1.0 g, and 2.0 g of the test item “KORE grade V” were added. The test vessels were stirred for approximately 8 hours and afterwards they were standing still to allow the substance to settle down for approx. 16 hours. The temperature was 20 °C ± 1 °C during the test period.
After settle down time a specimen of each vessel was taken with steel needle and glass syring. These specimens were diluted 1 to 100 to prepare the specimens for the analytical method. The total organic carbon concentration was determined by means of TOC.
Results
The results were determined by measurement of the TOC (Total Organic Carbon) dissolved in the aqueous phase.
The carbon part of the test item is determined by an elementary analysis. 82.53 % of the test item consists of carbon.
Table 1:Influence of the load
Amount of test item |
Diluted carbon concentration |
Dilution factor |
Undiluted carbon concentration |
Test item concentration |
[g] |
[mg/l] |
[1/x] |
[g/l] |
[g/l] |
0.5 |
22.00 |
100 |
2.20 |
2.67 |
1 |
35.87 |
100 |
3.59 |
4.35 |
2 |
52.78 |
100 |
5.28 |
6.40 |
The three different loads show a correlation between the loaded amount of the test item and the measured concentration of the aqueous phase. Higher concentrations of the test item effects a higher amount of the soluble part of the test item in the aqueous phase.
Discussion
The effect of correlation between higher loads to higher concentration of soluble compounds is attributed to the increase of absolute amount of the soluble compounds. It is possible that the more easily soluble compounds act as solubilizer for the not readily soluble substances. Therefore a determination of the water solubility of the test item will be influenced by some easily soluble parts of the complex composition of test item. These easily soluble parts have a disproportional influence.
All together a determination of the water solubility according to OECD 105 is not possible.
Applicant's summary and conclusion
- Conclusions:
- Interpretation of results (migrated information): other: no result
no result - Executive summary:
The effect of correlation between higher loads to higher concentration of soluble compounds is attributed to the increase of absolute amount of the soluble compounds. It is possible that the more easily soluble compounds act as solubilizer for the not readily soluble substances. Therefore a determination of the water solubility of the test item will be influenced by some easily soluble parts of the complex composition of test item. These easily soluble parts have a disproportional influence.
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