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Registration Dossier
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EC number: 234-919-5 | CAS number: 12040-43-6
- 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

Stability: thermal, sunlight, metals
Administrative data
Link to relevant study record(s)
- Endpoint:
- stability: thermal, sunlight, metals, other
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- other:
- Reason / purpose for cross-reference:
- data waiving: supporting information
- Endpoint:
- thermal stability
- 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:
- other: EU-Method 26433
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- (Landesamt für Umwelt-, Wasserwirtschaft und Gewerbeaufsicht, Rheinland-Pfalz)
- Test substance thermally stable:
- yes
- Key result
- Operating temp.:
- >= 0 - <= 520 °C
- Sublimation:
- no
- Transformation products:
- no
- Test substance stable to sunlight:
- not determined
- Test substance stable to metals / metal ions:
- not determined
- Conclusions:
- In the observed temperature range 0-520 °C the test item shows no thermal instability, only an endotherm transition occured attributed to the loss of water beginning at 260°C
As no exothermic events occured, the test item is not self-reactive. - Executive summary:
During the DSC run only an endothermic thermal transition was observed, which could be caused by loss of water beginning at approx. 260 °C. After the test the test item remained visually unchanged.
As no exothermic events could be observed the test item is no subject to the classification procedures for self-reactive substances and the acceptance procedures for Class 1 explosives need not to be applied.
Referenceopen allclose all
Description of key information
Due to its chemical structure the anorganic Silicic acid, aluminium magnesium sodium salt is not decomposed by light.
In the observed temperature range 0-520 °C Silicic acid Aluminium Magnesium Sodium Salt shows no thermal instability, only an endotherm transition occured (due to loss of water). As no exothermic events occured, the test item is not self-reactive.
This fact is supported by another study on Sodium Aluminum Silicates with and without Alkali Carbonates which show a high thermal stability up to 800-1000°C.
There are no data about the stability of test item in contact with metals.
Substance is packaged in paper bags with a layer of plastic foil resp. bigpacks.
Additional information
Justification for classification or non-classification
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.
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