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Diss Factsheets
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EC number: 266-722-5 | CAS number: 67583-77-1
- 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)
Description of key information
Average of calculated and measured water solubility, as degradation suspected.
Key value for chemical safety assessment
- Water solubility:
- 27 mg/L
- at the temperature of:
- 20 °C
Additional information
A GLP experimental study is available on the substance (Fieseler 2016), showing apparently consistent results at the sampling times, with an average value of 12.5 mg/L. However, accuracy of this determination is discussed, due to excessive loading rate, and chromatographic profiles of samples, showing additional peaks.
Suspected degradation is confirmed by analysis made for daphnia and algae studies (Börschig 2016a and b). Stability check of the saturated stock solutions in reconstituted water used showed:
- a higher concentration at test start than found in the water solubility study (respectively 17.3 and 15.9 mg/L), and,
- a drop in concentration by more than 50% within 48 or 72h after preparation.
Therefore these results were considered underestimated.
A QSAR estimation derived from the experimental log Kow=3.91 (consistent with logKow=3.7 calculated from structure) provides a Wsol predicted value of 36.6 mg/L.
In order to take into account the experimental results, the average value between the calculated data and the highest measured solubility (i.e. daphnia stock solution) was preferred.
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