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EC number: 233-135-0 | CAS number: 10043-01-3
- 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
![](https://echa.europa.eu./o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_ecotoxicological-information.png)
Toxicity to soil macroorganisms except arthropods
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
Additional information
Studies performed on earthworms using a hydrated salt of aluminium sulphate (and aluminium chloride hexahydrate) in addition to the standard soil containing kaolinite (Al2Si205(OH)) resulted in ecotoxicity at concentrations considerably lower than those found in top- and sub-soils (14 d LC50s around 300 mgAl/Kg dw at pH 3-4 and >1000 mgAl/Kg dw at pH4-6 and 6 week NOECs of 100 mg Al/Kg dw at pH 3.4 -7.3 for reproduction). The observed toxicity could not be related to extractible aluminium concentration as there was no difference between aluminium concentrations extracted from controls and treatments at pH 7.3. There were certain differences between treatment levels such as the addition of CaCO3 which was used to attenuate low soil pH further to aluminium treatment. It is therefore not clear whether the effects found can be directly attributed to aluminium toxicity.
Aluminium, its powders and salts are not classified for the environment. Under normal environmental conditions they are non-hazardous and may only become so when found in conjunction with physicochemical parameters at the extremes limits of aquatic environmental habitats (for example, pH below 6 together with very low DOC). Aluminum (Al) is the most commonly occurring metallic element, comprising eight percent of the earth's crust (Press and Siever, 1974) and is therefore found in great abundance in both the terrestrial and sediment environments. Concentrations of 3 -8% (30,000-80,000 ppm as Al) are common. In a European wide survey by FOREGS (2006) the 50th percentile concentration of aluminium oxide in topsoil is 11% with approximately 1% of European topsoils containing less than 2% aluminium oxide. Thus large quantities must be ingested by terrestrial invertebrates (notably soil burrowers such as earthworms) without ecological consequences. The relative contributions of anthropogenic aluminium compared to the existing natural pools of aluminium in soils and sediments is very small and therefore not relevant either in terms of added amounts or in terms of toxicity. Based on these exposure considerations additional sediment and/or soil testing is not warranted. Summary table of results on earthworm toxicity studies
species | endpoint | set up | pH(KCl) | result (mg/kg dw) |
|
Aluminum chloride | |||||
Eisenia andrei | LC50-14d | Artificial soil | 3.3 4.4 6.7 | 316 359 >1000 | Al |
Sulfuric acid, aluminium salt (3:2), octadecahydrate (CAS RN 7784-31-8) ) | |||||
Eisenia andrei | LC50-14d | Artificial soil | 3.3 4.4 6.7 | 457 >4000 >4000 | Al |
Eisenia andrei | NOEC-42d | Artificial soil | 3.4 | 100 | Al |
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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