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Diss Factsheets
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EC number: 270-601-2 | CAS number: 68457-13-6
- 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
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Toxicity to terrestrial plants
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
Additional information
From the database of chronic cobalt toxicity to higher plants, there are 83 individual high quality NOEC(L)/EC10 values for various endpoints (shoot yield, shoot length, root yield, root length) for 7 different species exposed to a variety of natural soils from Europe and North America and laboratory-derived artificial soils. When expressed as total soil Co, these range from 3.2 mg Co/kg dw for Medicago sativa (Kapustka and Eskew, 2000) to 647 mg Co/kg dw for Hordeum vulgare (Li et al, 2007). Below are the accepted high quality studies for terrestrial plants used for derivation of the HC5 and terrestrial PNEC.
Table X. High quality studies for terrestrial plants used for derivation of the HC5 and terrestrial plant PNEC
|
Species |
Added NOEC or EC 10 (mg Co/Kg dw) |
Total NOEC or EC10 (mg Co/Kg dw) |
Velicogna et al., 2010; Kapustka and Eskew, 2000 |
R. sativa (radish) |
8.5 -450 |
8.8 -453 |
Velicogna et al., 2010 |
E. labceolatus (northern wheatgrass) |
41.4 -521
|
44.4 -524 |
Li et al., 2007; Velicogna et al., 2010 |
L. esculentum (tomato) |
8.00 -423 |
9.5 -426 |
Velicogna et al., 2010 |
T. pratense (red clover) |
90.1 -513 |
93.1 -516 |
Li et al., 2007; Mico et al, 2008; Lock et al., 2007; Kaputska and Eskew, 2000 |
H. vulgare (barley) |
9.00-617 |
10.8-647 |
Li et al., 2007 |
B. napus (oil seed rape) |
17.0-102 |
18.5-113 |
Kapustka and Eskew, 2000 |
M. sativa (alfalfa) |
2.9 -13.7 |
3.2 -21.3 |
Long-term EC10/LC10 or NOEC for terrestrial plants: 2.9 -617 mg/kg soil dw (added Co).
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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