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Diss Factsheets
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EC number: 232-452-1 | CAS number: 8031-44-5
- 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
Hazard for air
Hazard for terrestrial organisms
Hazard for predators
Additional information
The toxicity of the substance to aquatic organisms was evaluated in the short-term toxicity test to Daphnia (48 hours) and in the toxicity to aquatic algae (72 hours). Both tests were performed according to the current OECD Guidelines and EU C-Methods under GLP conditions.
The substance is readily biodegradable and therefore it is not expected to remain in water for a long time. It is also characterised by a very low water solubility (1.24 mg/l, at 20 °C, pH 6.6) suggesting that it could not be so bioavailable for the aquatic organisms and therefore it could exhibit a low aquatic toxicity.
The following data were obtained after the exposure of daphnia and algae to the substance.
Daphnia: EC50 (48 h) > 1.1 mg/l (measured geometric mean) or EC50 > 100 mg/l (loading rate or above its solubility in test medium)
Algae: ErC50 (72 h) > 100 mg/l (loading rate or above its solubility in test medium)
NOErC (72 h) = 100 mg/l (loading rate or above its solubility in test medium)
Conclusion on classification
The effective levels obtained for the two aquatic organisms reveal that the substance does not present any hazards for daphnia or algae up to the solubility of the substance in the test medium. Since the substance is poorly soluble and no acute toxicity was recorded at levels up to the water solubility and also is readily biodegradable no classification for acute or chronic aquatic toxicity is proposed according to the CLP Regulation (EC) No. 1272/2008. In addition, the NOErC obtained is above the water solubility of the substance to the test medium and no classification for aquatic toxicity is thus suggested.
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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