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EC number: 217-421-2 | CAS number: 1843-05-6
- 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
Sediment toxicity
Administrative data
Link to relevant study record(s)
Description of key information
No effects at the highest test concentration. The 28 -d NOEC is 10000 mg/kg sediment d.w. in sediment microorganisms based on both emergence- and development rate.
Key value for chemical safety assessment
Additional information
The long-term toxicity to organisms in freshwater sediment was determined in a study according to OECD guideline No 218 and in compliance with GLP criteria ( Noack Laboratorien GmbH, 2016). In this limit test, groups of sediment-dwelling larvae of the harlequin fly (Chironomus riparius) were exposed to nominal test concentrations of 0 (control) and 10000 mg/kg sediment dry weight for 28 days under static conditions. Test concentrations were analytical verified at test days 0, 7 and 28 and remained well within ± 20% of nominal concentrations. Therefore effect concentrations are expressed as nominal. Artificial sediment was used which consisted of 4% peat, 20% kaolin, 76% quartz sand and 0.35% CaCO3. The test amount was 180 g dry weight per vessel and reached ca. 2.0 cm from the ground with a ratio sediment:water depth ratio of ca. 1:4. The organic carbon content of the final mixture was 2.0%. After thorough mixing of test item with pre-moistened sediment, dilution water was added and the sediment-water-system allowed to equilibriate for 48 hours. The development time and the total number of fully emerged male and female midges was recorded daily. The emergence of the midges in the control started 14 days after larvae insertion and was finished at day 18 day after larvae insertion. The midges of the treatment hatched between day 14 to 19 after larvae insertion. The mean emergence of the midges in the control and the limit test item concentration was 98 %. No egg masses were deposited in the test replicates throughout the study. No abnormal behaviour (e.g. leaving sediment, unusual swimming) was recorded. Based on these findings the 28 -d NOEC is determined at 10000 mg/kg d.w. for both emergence- and development rates. The validity criteria were met.
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