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EC number: 232-055-3 | CAS number: 7784-25-0
- 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
Long-term toxicity to fish
Administrative data
Link to relevant study record(s)
Description of key information
Reliable data are available for read across on the two products of dissociation of AlNH4(SO4)2: ammonium sulfate at pH 6.3-6.5 and aluminium sulfate at pH 5.6-6.6. The greatest sensitivity was shown in a 60d early life stage test with Al(SO4)2 giving a NOEC (60d)= 0.015 mg/l Dissolved Al (=0.068 mg/L total Al), converted into 1.14 mg/L AlNH4(SO4)2.12H2O.
Key value for chemical safety assessment
Fresh water fish
Fresh water fish
- Effect concentration:
- 1.14 mg/L
Marine water fish
Marine water fish
- Effect concentration:
- 1.14 mg/L
Additional information
Aluminium ammonium sulfate instantaneously dissociates in water in its two components salts: aluminium sulfate and ammonium sulfate. Therefore, the hazard of aquatic environment of these aluminium salts can be assessed by effects of its dissociation products.
Ammonium sulfate
For freshwater fish, six studies on four species are reported in the OECD SIDS for ammonium sulfate (2004). The greatest sensitivity was shown by alevins of Oncorhynchus gorbuscha before complete yolk absorption, with effects on the length and weight of fry at migration seen at a LOEC (61 d) of 2.4 µg/L NH3and 128 mg/LAlNH4(SO4)2.12H2O and at pH of 6.3-6.5. The associated NOEC (61 d) is 1.2 µg/L NH3and 64 mg/LAlNH4(SO4)2.12H2O (Rice and Bailey, 1980). Five test performed on three other freshwater species show lower toxicity including exposure from 10 days to 12 months at pH between 7 and 7.3.
Aluminum sulphate
Two reliable long-term studies are available on aluminium sulfate. The key study (Cleveland et al, 1989), is a 60 days Early-life-stage semi-static test with Salvelinus fontinalis at a pH of 5.6 -6.6. The results gave a NOEC of 0.015 mg/l Dissolved Al or 1.14 mg/L AlNH4(SO4)2.12H2O. An another study, (Cleveland et al, 1991) exposing 30 days old Salvelinus fontinalis to nominal aluminum concentrations of 200µg/L for 56 days at pHs of 5.0, 6.0 and 7.2 is used as supportive information because no effect endpoint were derived from the results. However, it could be estimated that 0.150 <EC50< 0.216 mg/L Total Al or 2.52< EC50< 3.63 mg/L AlNH4(SO4)2.12H2O at pH 5.3; 0.146 <EC50< 0.288 mg/L Total Al or 2.45< EC50< 4.84 mg/L AlNH4(SO4)2.12H2O at pH 6.1 and EC50> 0.172 mg/L Total Al or EC50> 2.89 mg/L AlNH4(SO4)2.12H2O at pH 7.2. These results are in line with the key study performed on the same species.
From these results it can be concluded that in the pH range of 5.6 -6.5, the chronic toxicity of AlNH4(SO4)2.12H2O is drove by the toxicity of aluminium and the higher effect was found after 60d of exposure to Al2(SO4)3on the weight of juvenile giving a NOEC (60d) corresponding to 1.14 mg/L AlNH4(SO4)2.12H2O.
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