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Diss Factsheets
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EC number: 911-351-2 | CAS number: -
- 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
Partition coefficient
Administrative data
Link to relevant study record(s)
Description of key information
One reliable key study is available on the registered substance. The experimental values of partition coefficient were estimated for the two main constituents, the mono-ester and the di-ester, at 1.49 x 10-2 (log Kow ≤-1.83) and 2.16 x 10-2 (log Kow -1.67), respectively.
Key value for chemical safety assessment
- Log Kow (Log Pow):
- -1.75
- at the temperature of:
- 21 °C
Additional information
The determination was carried out using a shake-flask method, according to Method A8 Partition Coefficient of Commission Regulation (EC) No 440/2008 of 30 May 2008, Method 107 of the OECD Guidelines for Testing of Chemicals, 27 July 1995 and GLP. No deviation from the guidelines was observed in this study.
The test system consists of an aqueous and an n-octanol phase in the same vessel. A defined amount of test item is added (pre-dissolved in the appropriate phase). Partition of the test item between both phases is then achieved by inversion of the mixture and the samples are analyzed by HPLC MS.
The partition coefficient of the monoester content of the test item has been determined to be less than or equal to 1.49*10 -2 corresponding to a Log Kow ≤ -1.83.
The partition coefficient of the diester content of the test item has been determined to be 2.16*10-2, corresponding to a Log Kow-1.67.
Test conditions were a temperature of 21.0 ± 0.5 °C and an aqueous phase pH range of 5.3 to 5.5. Based on dissociation constant values for the two dominant components present in the test item (pKa= 1.6 and 7.1 and for the mono-ester and pKa= 1.6 for the di-ester), this pH range resulted in maximum possible partition coefficient values within the environmentally relevant pH range of 5 to 9.
The geometric means between the two values, LogKow = -1.75 was chosen as key value for the purpose of chemical safety assessment.
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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