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Diss Factsheets
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EC number: 215-524-7 | CAS number: 1328-53-6 This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 74260.
- 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
Endpoint summary
Administrative data
Description of key information
Additional information
Hydrolysis
According to structural properties, hydrolysis is not expected/probable. In addition, the substance is highly insoluble in water.
Biodegradation in water: screening tests
The substance is not readily biodegradable, according to OECD criteria (Read-Across to CAS 1, see IUCLID Ch. 5.2.1)
Biodegradation in sediment and surface water
Data waiving according to EC 1907/2006 Annex IX. The test substance was found to be poorly biodegradable in water. Hence, it is assumed that the results of simulation studies would not reveal any different findings. Therefore, simulation studies on surface water and sediments are not provided. Furthermore, the substance is not expected to be adsorptive. Therefore, simulation studies are scientifically not justified.
Biodegradation in soil
The substance is not classified according to GHS and shows no hazard to aquatic organisms. Thus, the use of the substance can be considered as safe and no testing is required according to REACH Annex IX, column 2. Furthermore, the substance is very stable and heteroagglomeration/aggregation with other particles with same material or other particle, e.g. organic matter, or to the interface between phases is very unlikely due to the very low water solubility, low log Kow value and non-occurrence of functional groups of the molecule. Thus, simulation biodegradation tests in water, sediment and soil are not proposed, since no relevant new findings are expected from such investigations.
Bioaccumulation
Acumulation in aquatic organisms is not expected
Adsorption / desorption
The physio-chemical characteristics of the substance indicate that the substance will not adsorb to soil or suspended matter. The water solubility of the substance as well as the solubility in octanol and the resulting log Kow are very low.
Dispersion stability
The dispersion stability depends especially on pH and water hardness.
Regardless of pH, the pigment is categorized at 15h and 24h-sampling time as “unstable” in 10 mM Ca, representing high water hardness.
In 0 mM and at pH4, pH 7 and pH 9 thestability for samples was high at all sample points.
In 1 mM and at pH4 the stability for samples was high after 6 h and decreased to intermediate stability after 24 hours, whereas at pH 7 and 9 the stability was high during the entire test period.
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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