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Diss Factsheets
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EC number: 947-850-7 | 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:
- 16 Feb - 9 Mar 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Deviations:
- not specified
- GLP compliance:
- no
- Type of method:
- flask method
- Key result
- Water solubility:
- 2.86 mg/L
- Conc. based on:
- test mat.
- Loading of aqueous phase:
- 1 000 mg/L
- Incubation duration:
- 24 h
- Temp.:
- 19.7 °C
- pH:
- 5.2
- Remarks on result:
- other: Key value is maximum solubility
- Water solubility:
- 1.46 mg/L
- Conc. based on:
- test mat.
- Loading of aqueous phase:
- 1 000 mg/L
- Incubation duration:
- 48 h
- Temp.:
- 19.7 °C
- pH:
- 5.2
- Water solubility:
- 1.09 mg/L
- Conc. based on:
- test mat.
- Loading of aqueous phase:
- 1 000 mg/L
- Incubation duration:
- 72 h
- Temp.:
- 19.7 °C
- pH:
- 5.2
- Water solubility:
- 1.22 mg/L
- Conc. based on:
- test mat.
- Loading of aqueous phase:
- 50 mg/L
- Incubation duration:
- 72 h
- Temp.:
- 19.7 °C
- pH:
- 5.2
- Remarks on result:
- other: Additional test A: stored at 20 C only.
- Water solubility:
- 0.38 mg/L
- Conc. based on:
- test mat.
- Loading of aqueous phase:
- 100 mg/L
- Incubation duration:
- 10 min
- Temp.:
- 19.7 °C
- pH:
- 5.2
- Remarks on result:
- other: Additional test B: conditioned flask
Reference
Results - Test conditions
The measured parameters of all studies were in accordance to the OECD Guideline 105 (OECD 1995). The pH was 5.2 and the temperature was 19.7 °C in the mixture of all studies. The conductivity of the used deionized water was 0.8 µS/cm.
Preliminary Test Results
The dissolution of the test substance was not visually detectable.
Main Test Result
The measured concentration of the test substance decreased with an increasing dissolution duration in the climatic exposure test cabinet at 30 °C (see Table below). The highest measured concentration was 2.86 mg/L after 24 h dissolution at 30 °C. With increasing dissolution duration the measured concentration of dissolved Perlastan® SCV fractions decreased. After 48 h only 50% of the concentration, which was measured after 24 h, was dissolved. After 72 the dissolved concentration further decreased to 1.09 mg/L.
Duration (h) |
Peak Area |
Conc. (mg/L) |
24 |
5816 |
2.86 |
48 |
641 |
1.46 |
72 |
359 |
1.09 |
Additional test A - Results
The additional test A showed a measured concentration of 1.22 mg/L for the dissolved Perlastan® SCV fractions after 72 h. After more than 72 h the measured concentration was below the LOQ (=0.47 mg/L).
Additional test B - Results
The measured concentrations after 10 minutes of stirring were 0.38 mg/L in the conditioned/saturated flask and 0.33 mg/L in the unconditioned flask. Both values were below the LOQ (LOD=0.20 mg/L).
Conclusion
For the determination of the water solubility of Perlastan® SCV several tests were conducted. This was done to describe the water solubility more precisely. The tests showed, that the maximum dissolution is reached within 24 h. Elongated dissolution durations (>24 h) did not lead to an increase in measured concentrations. Also after shorter dissolution durations (i.e. after 10 min) a lower dissolved concentration of Perlastan® SCV was measured.
The flask method revealed the following water solubility for the test substance:
Water solubility (Perlastan® SCV): 0.38-2.86 mg/L (at 20 °C, after 10 min-24 h)
The determination of the water solubility over longer study durations is biased by adsorption.
Description of key information
Water solubility is 2.86 mg/L at 20 ºC (OECD 105, flask method).
Key value for chemical safety assessment
- Water solubility:
- 2.86 mg/L
- at the temperature of:
- 20 °C
Additional information
Maximum dissolution is reached within 24 h, and the value is 2.86 mg/L at 20 °C.
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