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EC number: 700-541-9 | CAS number: 1472634-24-4
- 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)
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Remarks:
- Estimated by calculation
- Adequacy of study:
- key study
- Study period:
- 12 JAN 2011 - 12 JAN 2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Reason / purpose for cross-reference:
- reference to other study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.8 (Partition Coefficient - HPLC Method)
- Version / remarks:
- European Commission Regulation (EC) No. 440/2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 107 (Partition Coefficient (n-octanol / water), Shake Flask Method)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
- Deviations:
- no
- Principles of method if other than guideline:
- The test partition coefficient n-octanol/water cannot be performed if the substance has a high surface activity. In project 20100675.04 the surface tension of an aqueous solution of the test item was determined to 20.2 mN/m. Due to the fact that the surface tension is lower than 60 mN/m, the test item has surface-active properties.
In addition for strong acids an experimental determination of the partition coefficient n-octanol/water is not applicable, too. According to the Guidelines the measurements can only be performed on ionisable substances in their non-ionised form by using an appropriate buffer with a pH below the pka for the free acid. The latter is not possible as the test item is a strong acid with a calculated pka value of -0.17. - GLP compliance:
- no
- Type of method:
- other: estimation
- Partition coefficient type:
- octanol-water
- Type:
- log Pow
- Partition coefficient:
- 6.9
- Remarks on result:
- other: non ionised form
- Conclusions:
- The calculated value of partition coefficient Pow of the lest item in its non-ionised form is 6.9.
- Executive summary:
An experimental determination of the partition coefficient n-octanol/water was not possible, as the described method (European Commission Regulation No. 440/2008, A.8. and OECD test guidelines 107 and 117) is not suitable for surface active substances and for strong acids. The program kowwinnt (part of episuite, v3.20) was used for calculating the log Pow of the test item. The calculated value of the partition coefficient Pow of the test item is 6.9.
Reference
Description of key information
An experimental determination of the partition coefficient n-octanol/water was not possible, as the described method (European Commission Regulation No. 440/2008, A.8. and OECD Test Guidelines 107 and 117) is not suitable for surface active substances and for streng acids. The program kowwinnt (part of episuite, v3.20) was used for calculating the log Pow of the test item. The calculated value of the partition coefficient Pow of the test item is 6.9.
Key value for chemical safety assessment
- Log Kow (Log Pow):
- 6.9
Additional information
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