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Registration Dossier
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EC number: 200-659-6 | CAS number: 67-56-1
- 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
EC 50: 20000 mg/L
IC50: 880 - >1000 mg/L
toxic treshold values: 530 - 6600 mg/L
Key value for chemical safety assessment
- EC50 for microorganisms:
- 20 000 mg/L
Additional information
Bringmann and Kuehn (1978) determined a toxic treshold value (TGK) of 530 mg/L in a 192h test with Microcystis aeruginosa. The same authors report a further toxic treshold value resulting from a cell multiplication test for 16 hours, using two Pseudomonas species, at 6600 mg/L (Bringmann and Kuehn 1977). Other test results reported are an EC50 of 20000 mg/L for activated sluge and an IC50 value of 880 mg/L for Nitrosamonas (Blum and Speece 1991). An IC50 value >1000 mg/L for activated sludge is reported by Klecka et al. (1985). This test was performed according to the OECD Guideline 209 (activated sludge, respiration inhibition test) and is considered the most appropriate for assessing the risk for wastewater treatment plant.
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