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EC number: 291-010-6 | CAS number: 90295-19-5
- 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
Partition coefficient
Administrative data
Link to relevant study record(s)
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Novenber 25th, 2015
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods with acceptable restrictions
- Reason / purpose for cross-reference:
- other: solubility in water
- Principles of method if other than guideline:
- Partition coefficient could be estimated on the basis of the water solubility and on the basis of the solubility in octanol. It was not possible to determine absolute water solubility of test substance in water by flask method due to the high viscosity. The test substance resulted practically insoluble in octanol. Thus the determination of partition coefficient n-octanol/water cannot be performed due to character of the test substance.
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- flask method
- Partition coefficient type:
- octanol-water
- Analytical method:
- photometric method
- Type:
- log Pow
- Partition coefficient:
- < -2
- Remarks on result:
- not determinable because of methodological limitations
- Details on results:
- Based on the water solubility test, it was not possible to determine absolute test substance water solubility by flask method due to the high viscosity of the test substance mixture with water. Mixtures practically did not flow. It was not possible to shake or stir the mixtures.
Solubility of test substance in octanol was measured by spectrophotometric method and the test substance resulted practically insoluble. Solubility of test substance is under the limit of quantification (LOQ = 1.493 mg/l) Ultra pure water. Thus the determination of partition coefficient n-octanol/water cannot be performed due to character of the test substance.
Estimation of partition coefficient
Educated guess of partition coefficient (log p) of the test substance is lower than -2.0. Educated guess of partition coefficient (log p) of the test substance is based on knowledge and experience from previous studies of similar substances. - Conclusions:
- logPow < -2.0
- Executive summary:
Partition coefficient could be estimated on the base of the water solubility and on the base ot solubility in octanol. Expected solubility in water should be higher than 150 g/l. Based on the results of previous study, it was known that it was not possible to determine absolute water solubility of test substance in water by flask method due to the high viscosity. The test substance resulted practically insoluble in octanol: solubility was under the limit ofquantification - LOQ : 1.493 mg/l ultra pure water. Thus the determination of partition coefficient n-octanol/water cannot be performed due to character of the test substance. Based on this information the study was not performed.
Educated guess of Partition coefficient (log P) of the test substance is lower than -2.0.
Conclusion
logPow < -2.0
Reference
Description of key information
logPow < -2.0
Key value for chemical safety assessment
- Log Kow (Log Pow):
- -2
Additional information
Partition coefficient could be estimated on the basis of the water solubility and on the basis of the solubility in octanol. The test substance resulted practically insoluble in octanol: the octanol-solubility was under the limit of quantification - LOQ : 1.493 mg/l ultra pure water. Thus the determination of partition coefficient n-octanol/water cannot be performed due to character of the test substance.
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