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Diss Factsheets
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EC number: 269-124-2 | CAS number: 68187-77-9
- 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
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Water solubility
Administrative data
Link to relevant study record(s)
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- flask method
- Water solubility:
- > 12.3 - < 31.4 mg/L
- Conc. based on:
- test mat. (dissolved fraction)
- Loading of aqueous phase:
- 70 mg/L
- Incubation duration:
- ca. 21 h
- Temp.:
- 20 °C
- pH:
- > 6.3 - < 7.2
- Details on results:
- The test item formed a cloudy, translucent or opaque mixture in water depending on the loading rate. It was not possible to produce a true solution with filtration through a 0.1 μm filter; the resultant filtrates presented Tyndall beam effects in all but the lowest loading rate mixtures. It was considered that analysis by total organic carbon was the most appropriate technique for the mixtures.
The limit of quantification for the TOC analysis is considered to be 1 mg/L. The TOC results for the blank solutions in the preliminary test and repeated main test were less than 1 mg/L. Since the blank values were less than the LOQ, the sample solution concentrations have not been corrected for the blank values. However, in the first analysis of the main test , the blank solutions were found to be higher and more variable. Since the duplicate sample solutions were inconsistent (2.2 and 0.9 mg/L), this was
considered to be most likely due to contamination of the blank solution during transfer to the analysis vessel. Therefore, it was not considered appropriate to correct the sample solution concentrations for the mean of the blank solution value.
The concentrations of the 24, 48 and 72 hour samples were within ± 15% and thus there was no observed effect of incubation/shaking time.
filtration, and so the mixture was not fully homogeneous at this loading rate.
The TOC results indicated a loading rate dependency for the water solubility endpoint - Conclusions:
- The substance was tested for water solubility following OECD 105. Under the experimental conditions the water solubility was > 12.3 and < 31.4 mg/l (TOC measured) at 20°C.
- Executive summary:
The substance was tested for water solubility following OECD 105. The solutions were first prepared as flask method, stirred, filtered and analyused byt Tyndall beam technique. For those solutiosn were no Tyndal effect was observed the TOC determination was performed. Under the experimental conditions the water solubility was > 12.3 and < 31.4 mg/l (TOC measured) at 20°C.
Reference
Description of key information
< 31.4 mg/l at 20°C
Key value for chemical safety assessment
- Water solubility:
- 31 mg/L
- at the temperature of:
- 20 °C
Additional information
Based on the experimental result the substance can be regarded as slightly soluble (0.1-100 mg/L). Water solubility was less than 31.4 mg/L using a visual assessment method, Tyndall beam technique.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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