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EC number: 432-400-1 | CAS number: 10102-09-7
- 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
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
For platinum dinitrate, data are read across from another platinum(IV) substance without a chloro ligand, dihydrogen hexahydroxyplatinate. The 3-h EC50, EC10 and NOEC without ATU (nitrification inhibitor) were determined to be > 648 mg Pt L-1, 648 mg Pt L-1 and 207 mg Pt L-1, respectively. The 3-h EC50 and EC10 with ATU were both determined to be > 648 mg Pt L-1 and the relative NOEC was determined to be 648 mg Pt L-1. The key study driving the PNEC STP for platinum(IV) substances is an activated sludge respiration inhibition study for hexachloroplatinic acid. The 3-h EC50, EC10 and NOEC values without ATU were determined to be 40.33 mg Pt L-1, 2.35 mg Pt L-1 and 1.26 mg Pt L-1, respectively. The 3-h EC50, EC10 and NOEC values with ATU were determined to be 32.49 mg Pt L-1, 3.21 mg Pt L-1 and 3.92 mg Pt L-1, respectively.
Key value for chemical safety assessment
Additional information
For platinum dinitrate, data are read across from another platinum(IV) substance without a chloro ligand, dihydrogen hexahydroxyplatinate.
An activated sludge respiration inhibition test was conducted with dihydrogen hexahydroxyplatinate following OECD guideline 209 and EU Method C.11 (Muckle 2014). Three experiments were performed, including a range-finding test, a limit test using the concentration of 1000 mg L-1, and a third test using the concentrations of 320 and 100 mg L-1. Two test series were carried out, with and without the nitrification inhibitor N- allylthiourea (ATU) to discern between inhibition of nitrificators and inhibition of the total population. A positive control was used, and all validity criteria were met. Based on nominal concentrations, the 3-h EC50, EC10 and NOEC without ATU were determined to be > 1000 mg test item L-1 (> 648 mg Pt L-1), 1000 mg test item L-1 (648 mg Pt L-1), and 320 mg test item L-1 (207 mg Pt L-1), respectively. The 3-h EC50 and EC10 with ATU were both determined to be > 1000 mg test item L-1 (> 648 mg Pt L-1), and the relative NOEC was determined to be 1000 mg test item L-1 (648 mg Pt L-1).
For platinum(IV) substances there is some evidence that substances containing a chloro ligand are more toxic than those without a chloro ligand. For this reason, for substances without a chloro ligand, read across for REACH endpoints and for classification purposes is only conducted with other substances that do not contain a chloro ligand. However, for risk assessment purposes measured platinum concentrations in the environment only allow assessment of total platinum concentrations and do not differentiate between the form of the platinum in the environment. The PNEC for platinum(IV) substances is therefore based on pooled ecotoxicity data for all platinum(IV) substances, regardless of the ligands, and is based on the most toxic substance. For platinum(IV) substances the most toxic substance is hexachloroplatinic acid and the PNECs for platinum(IV) substances are therefore based on data for this substance. The key study driving the PNEC STP for platinum(IV) substances is an activated sludge respiration inhibition study for hexachloroplatinic acid.
An activated sludge respiration inhibition test was conducted with hexachloroplatinic acid following OECD guideline 209 and EU Method C.11 (Muckle 2015). Two test series were carried out, with and without the nitrification inhibitor N- allylthiourea (ATU) to discern between inhibition of nitrificators and inhibition of the total population. Based on a range-finding test where significant inhibition was observed, two additional tests were performed, where 5 concentrations ranging from 1 to 320 mg test item L-1 were tested with and without ATU, respectively. A positive control was used, and all validity criteria were met. Based on nominal concentrations, the 3-h EC50, EC10 and NOEC values without ATU were determined to be 103 mg test item L-1 (40.33 mg Pt L-1), 6.0 mg test item L-1 (2.35 mg Pt L-1), and 3.2 mg test item L-1 (1.26 mg Pt L-1), respectively. The 3-h EC50, EC10 and NOEC values with ATU were determined to be 83 mg test item L-1 (32.49 mg Pt L-1), 8.2 mg test item L-1 (3.21 mg Pt L-1), and 10 mg test item L-1 (3.92 mg Pt L-1), respectively.
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