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EC number: 215-100-1 | CAS number: 1302-42-7
- 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
Bioaccumulation: terrestrial
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
Additional information
Due to its chemical nature sodium aluminate is not stable under environmental conditions. The main degradation products are sodium hydroxide and various aluminium species subject to the prevailing environmental conditions, for instance pH regime.
With respect to NaOH bioaccumulation is not considered relevant. If emitted to soil, sorption to soil particles will be negligible. Depending on the buffer capacity of the soil,will be neutralised in the soil pore water or the pH may increase. The relevant compound to consider with regard to terrestrial bioaccmulation is aluminium.
Aluminium is the most abundant metallic element in the Earth's crust, with a proportion of around 8% by weight, and the third most abundant of all elements. Due to its reactive nature it does not exist in nature as free elemental metal, rather it occurs in hundreds of different minerals. Based on its ubiquitous occurrence existing data clearly demonstrate that the present natural background concentration far outweighs anthropogenic contributions of aluminium to the terrestrial environment, i.e. to soils and subsoils. A census of the available data reveals that the relative contribution of anthropogenic aluminium to the natural occurring aluminium in soils and subsoils is negligible.
Exposure of soil dwelling organisms and plants to aluminium of geogenic and anthropogenic origin is expected to be high. However, it is known that the bioavailablity of aluminium is low and that the excretion of aluminium is fast. Therefore, bioaccumulation of aluminium is rarely observed in nature (WHO, 1997). Thus the risk of terrestrial bioaccumulation of aluminium is expected to be low.
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