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Registration Dossier
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EC number: 500-092-7 | CAS number: 36890-68-3
- 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

Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 6.29 µg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 62.9 µg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.629 µg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
- PNEC marine water (intermittent releases):
- 6.29 µg/L
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 832 mg/L
- Assessment factor:
- 1
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- no hazard identified
Sediment (marine water)
- Hazard assessment conclusion:
- no hazard identified
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- no hazard identified
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
Conclusion on classification
The substance is readily biodegradable (90% in 28 days) with acute toxicity data available for three trophic levels. The weighted average Log Pow value is 1.8 and indicative of a low potential for bioaccumulation. The lowest acute toxicity value from the three trophic levels relates to the algal study with EC50 (growth rate) values determined to be 33.14 and 6.29 mg/l for the two components of the test substance. The test substance is not classified for the environment based on acute toxicity data (> 1 mg/l threshold for classification).
The laboratory reported <10% adverse effects on growth rate for the two components with calculated geometric mean 72-hour EC10 values of 3.21 mg/l and 0.71 mg/l (4.6 mg/l nominal concentration). Both values are not biologically relevant for adverse effects on algal growth with a mean inhibition of growth at 4.7%. A mean reduced growth rate of only 6% was seen at the next highest nominal concentration of 10 mg/l. Substance stability in the test medium is low and the algal EC10 results for the two components of the test substance are not considered to be adequate for classification. The substance is rapidly biodegradable (meets the 10-day window) and not considered to pose a long-term hazard to aquatic organisms. The acute toxicity data for the three trophic levels of organism are relied upon for classification and the substance is not classified for the environment.
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