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Diss Factsheets
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EC number: 249-320-4 | CAS number: 28940-11-6
- 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
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- no hazard identified
Marine water
- Hazard assessment conclusion:
- no hazard identified
STP
- Hazard assessment conclusion:
- no hazard identified
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
Environmental fate properties:
The registered substance contains no organic functional groups that may hydrolyze under environmental condition like alkyl halides, amides, amines, epoxides, esters. The substance consists only of organic functional groups that are relatively or completely inert with respect to hydrolysis. Based on the chemical structure an estimation of the hydrolysis rate is not possible. This statement is supported by one hydrolysis study performed on the registered substance according to OECD Guideline 111 but without GLP statement. The disappearance of the parent compound after 5 days at 40 °C and at environmentally relevant pH is less than 10%. Therefore, at environmentally relevant pH, the registered substance is considered hydrolytically stable. In addition, the registered substance is not readily biodegradable (7% degradation after 28 days). Therefore, in the absence of other biodegradation studies, the registered substance may be considered potentially Persistent (P) or very Persistent (vP) in the environment.
Finally, as the registered substance is considered to have a low potential for adsorption (octanol water partition coefficient, log Kow < 3.0), the adsorption study does not need to be conducted, according to REACH Annex VIII column 2.
Regarding the bioaccumulation potential, with a log Kow at 1.95, the registered substance does not bioaccumulate and therefore there is no potential of secondary poisoning in the higher members of the food chain.
Aquatic toxicity:
Reliable short-term toxicity tests results are available on freshwater fish (Brachydanio rerio), aquatic invertebrates (Daphnia magna) and algae (Pseudokirchneriella subcapitata) for the registered substance. All E(L)C50 values were reported to be greater than the highest tested concentration, 100 mg/L. In addition, no toxic effect of the registered substance to microorganisms was observed up to 100 mg/L, in the biodegradation study.
As no hazards were identified, the substance is not classified for the environment and no PNEC can be derived. Therefore, the exposure assessment and risk characterisation is not required.
Conclusion on classification
No harmonised classification is available on the registered substance.
E(L)C50 values > 100 mg/L; EC10 algae > 1 mg/L; not readily biodegradable; log Kow < 4.0 (= 1.95).
Classification according to the Annex VI of the Regulation (EC) No 1272/2008 (CLP):The registered substance is not classified for the environment.
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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