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EC number: 273-794-1 | CAS number: 69029-48-7 Product from the pH-adjustment of indium-rich solutions causing the precipitation of indium, ammonium and cadmium hydroxides and sulfates and zinc sulfate.
- 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
Water solubility
Administrative data
Link to relevant study record(s)
- Endpoint:
- water solubility
- 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:
- OECD Guideline 105 (Water Solubility)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Principles of method if other than guideline:
- The substance is dissolved in water at a temperature somewhat above the test temperature, such that a portion of the substance remains
undissolved. When saturation is achieved, the mixture is cooled and kept at the test temperature until equilibrium is reached. Subsequently, the mass concentration of indium in the aqueous solution, which must not contain any undissolved particles, is determined by ICP. - GLP compliance:
- not specified
- Type of method:
- flask method
- Key result
- Water solubility:
- < 1 mg/L
- Conc. based on:
- element (dissolved fraction)
- Loading of aqueous phase:
- 100 g/L
- Incubation duration:
- >= 72 - <= 120 h
- Temp.:
- 20 °C
- pH:
- 5.5
- Conclusions:
- Interpretation of results: slightly soluble (0.1-100 mg/L)
Test carried out according to standard protocol, test results consistent, thus reliable for concluding on endpoint. - Executive summary:
The water solubility of Indium cake was determined according to OECD guideline no. 105 [adopted on 27 July 1995] and EU test method A.6 [Council Regulation (EC) No 440/2008] with the flask method.
Water solubility (at 20 °C ± 0.5 °C) of Indium cake: <1 mg/l
- Endpoint:
- transformation / dissolution of metals and inorganic metal compounds
- 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:
- OECD Series on Testing and Assessment No. 29 (23-Jul-2001): Guidance document on transformation/dissolution of metals and metal compounds in aqueous media
- GLP compliance:
- yes
- Type of method:
- other: transformation dissolution protocol
- Type of test:
- full transformation/dissolution test - metals and sparingly soluble metal compounds
- Mean dissolved conc.:
- 0.42 µg/L
- Element analysed:
- Pb
- Loading of aqueous phase:
- 1 mg/L
- Incubation duration:
- 7 d
- Test conditions:
- pH=6
- Key result
- Type of test:
- full transformation/dissolution test - metals and sparingly soluble metal compounds
- Mean dissolved conc.:
- 10 µg/L
- Element analysed:
- Pb
- Loading of aqueous phase:
- 1 mg/L
- Incubation duration:
- 28 d
- Test conditions:
- pH=6
- Type of test:
- full transformation/dissolution test - metals and sparingly soluble metal compounds
- Mean dissolved conc.:
- 66.7 µg/L
- Element analysed:
- Cd
- Loading of aqueous phase:
- 1 mg/L
- Incubation duration:
- 7 d
- Test conditions:
- pH=6
- Key result
- Type of test:
- full transformation/dissolution test - metals and sparingly soluble metal compounds
- Mean dissolved conc.:
- 74.2 µg/L
- Element analysed:
- Cd
- Loading of aqueous phase:
- 1 mg/L
- Incubation duration:
- 28 d
- Test conditions:
- pH=6
- Details on results:
- The temperature of the test solutions fluctuated between 21.2 and 22.7°C during the tests, the pH remained constant at ± 0.2 units, and the dissolved oxygen concentration was always maintained above 70% (± 5.95 mg/L) of its saturation in air (± 8.50 mg/L). The non-purgeable dissolved organic carbon content (NPDOC) of the (modified) ISO 6341 aqueous media was below the reporting limit (<0.5 mg/L).
The acute (7d) Transformation/Dissolution Test on In cake in a standard aqueous medium at pH 6 and with a 1 mg/L loading showed an average dissolved cadmium concentration of 66.7 μg/L Cd, 0.42µg/l Pb. In cake contains 7.67% (w/w) cadmium and 1% Pb. This means that 87% of the total introduced cadmium and 4.2% of the Pb went into the test system as dissolved cadmium/Pb after 7 days.
The Chronic (28d) Transformation/Dissolution Test on In cake in a standard aqueous medium at pH 6 and with a 1 mg/L loading showed an average dissolved cadmium concentration of 74.2μg/L Cd and lead concentration of 1µg/l Pb. This means that about 97% of the total introduced cadmium went into the test system as dissolved cadmium after 28 days and 10% Pb. - Conclusions:
- Interpretation of results: slightly soluble (0.1-100 mg/L)
Tests were done according to standard OECD protocol and considered of good quality. - Executive summary:
In this study, a loading of 1 mg/L of In cake was agitated at 100 rpm in a pH buffered aqueous medium at pH 6 for 28 days. The solutions were sampled at specific time intervals and the concentrations of dissolved Cd/Pb/In in water were determined.
The acute (7d) Transformation/Dissolution Test on In cake in a standard aqueous medium at pH 6 and with a 1 mg/L loading showed an average dissolved cadmium concentration of 66.7 μg/L Cd and 0.42µg/L Pb.
The Chronic (28d) Transformation/Dissolution Test on In cake in a standard aqueous medium at pH 6 and with a 1 mg/L loading showed an average dissolved cadmium concentration of 74.2 μg/L Cd and 1µg/L Pb.
Referenceopen allclose all
Description of key information
Water solubility for indium (at 20 °C ± 0.5 °C) of Indium cake: <1 mg/l
Key value for chemical safety assessment
- Water solubility:
- 0.5 mg/L
- at the temperature of:
- 20 °C
Additional information
In the Transformation-dissolution study, a loading of 1 mg/L of In cake was agitated at 100 rpm in a pH buffered aqueous medium at pH 6 for 28 days. The solutions were sampled at specific time intervals and the concentrations of dissolved Cd/Pb/In in water were determined.
The acute (7d) Transformation/Dissolution Test on In cake in a standard aqueous medium at pH 6 and with a 1 mg/L loading showed an average dissolved cadmium concentration of 66.7 μg/L Cd and 0.42µg/L Pb.
The Chronic (28d) Transformation/Dissolution Test on In cake in a standard aqueous medium at pH 6 and with a 1 mg/L loading showed an average dissolved cadmium concentration of 74.2 μg/L Cd and 1µg/L Pb.
The substance is therefore considered slightly soluble
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