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Diss Factsheets
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EC number: 604-314-4 | CAS number: 142844-00-6
- 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
- Study period:
- 19th March 2010 to 29th March 2010
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: The method is not strictly adapted to the study of glasses, which are only loosely speaking polymers being 3 dimensional polymeric silicates, which fail in aqueous environments and do not dissolve nor release extractable materials.
- Qualifier:
- according to guideline
- Guideline:
- other: OECD 120
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- flask method
- Water solubility:
- ca. 0.02 mg/L
- Temp.:
- 20 °C
- pH:
- ca. 7
- Details on results:
- Refer to table 1 and 2 in the results sections
- Conclusions:
- There was significant (99.5%) recovery of undissolved test item indicating in this method that the substance is essentially insoluble with regards to 1mg/l. criteria. Actual solubility as one of these deficiencies of this method is that the test article is a solid and a fibre, which sticks to the glass ware and is retained in the meniscus of any suspension these loses are not accounted for in any calculated results. The OECD method does not lend itself to fibrous inorganic materials.
- Executive summary:
The material is insoluble in water
Reference
Table 1
Nominal loading rate |
sample |
Mass of test item (g) |
Volume of test medium |
1g/l |
A |
0.5055 |
500ml |
B |
0.5017 |
500ml |
|
C |
0.5035 |
500ml |
|
10g/l |
A |
5.0284 |
500ml |
B |
5.0713 |
500ml |
|
C |
5.0972 |
500ml |
Table 2 Overall results
Nominal loading rate |
measurement |
Equivalent mean (SiO2)n concentration |
1.0g/l |
Solution concentration |
0.0216 mg/l |
Per unit mass of test item |
0.0215 mg/l |
|
10g/l |
Solution concentration |
0.0996mg/l |
Per unit mass of test item |
0.0984mg/l |
Description of key information
Solubility indeterminate but SiO2 and Al2O3 can be measured in the water in which fibres have been soaked. Loss of mass in the method used is due to fibres being trapped due to their large surface area/mass ratio on the surface of the apparatus used and at the meniscus at the water/air interface.
Key value for chemical safety assessment
- Water solubility:
- 1 mg/L
- at the temperature of:
- 20 °C
Additional information
This material is not truly soluble but a can release silica and some species of aluminium hydroxide or its degradation products. In general the aluminosilicate glasses are less "soluble" than other types of glass such as those used in making laboratory glassware.
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