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Diss Factsheets
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EC number: 271-708-7 | CAS number: 68604-99-9
- 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
This substance is a complex mixture with different fate and physical chemical properties. Therefore, most of the critical physchem and environmental fate properties such as water solubility, octanol-water partition coefficient, adsorption coefficient, biodegradation and hydrolysis were determined in the laboratory through a extensive testing program.
The determination of the rate of hydrolysis of Fatty acids, C18-unsatd., phosphates was studied at pH values normally found in the environment (pH 4-9). At pH 4 and pH 7 a degree of hydrolysis of < 10% was observed after 5 days at 50°C. At pH 9, a degree of hydrolysis of ≥ 10% was observed after 5 days at 50°C. Adsorption coefficient was measured at 30 Degrees Celsius at two pH levels. Based on the results, the KOC of the susbtance was 5.63.
The biodegradation in water and soil is the most important fate process of this substance. Based on the CO2 Evolution screening tests and the supporting information on the probability of biodegradation estimated for the substance, this substance is considered as not readily biodegradable in water. In addition, the EPISUITE tool was used for estimation of the bioaccumulation potential of the substance.
A method was developed to determine the solubility of these major components since these components are the most soluble and interesting for the toxicity studies. Based on the water solubility study he overall range water solubility values were from 0.0235 g/L to 206 g/L. The log Kow determined for the substance (log Kow 4.6) indicates the adsorption potential and bioaccumulation of the substance. The vapour pressure of the substance was measured at 20 and 25 deg. Celsius. The vapour pressure was found to be < 0.0015 and <0.0067 Pa at 20 and 25 deg. C. The model used for exposure assessment and risk characterisation assumes that most of the substance is distributed to soil (see section 9.0.3.3 of CSR).
Additional information
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.