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EC number: 237-016-4 | CAS number: 13586-84-0
- 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
Boiling point
Administrative data
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- 2009-11-20 to 2010-01-08
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Cross-reference
- Reason / purpose for cross-reference:
- reference to same study
Reference
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2009-11-20 to 2010-01-08
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
- Melting / freezing pt.:
- >= 78 - <= 82 °C
- Atm. press.:
- >= 1 002 - <= 1 015 hPa
- Remarks on result:
- other: based on DSC-measurement, performed under nitrogen
- Conclusions:
- The test item, Stearic acid, cobalt salt, had a melting range of 78 °C to 82 °C under atmospheric pressure.
Thermal Stability:
The DSC-measurement in a closed glass crucible (measured at 1015 hPa) with the test item showed one endothermic effect in the temperature range 45 °C to 95 °C.
Melting Point / Melting Range (DSC):
The measurements in aluminium crucibles (measured at 1002 hPa and 1015 hPa respectively) with a hole showed an endothermic effect (melting) in the temperature range 40 – 100 °C with an onset temperature of 78 °C to 82 °C. The onset temperature is derived from the intersection of the tangent line with the highest slope of the endothermic peak with the baseline. The test item has a melting range of 78 °C to 82 °C.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling point/boiling range)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
Test material
- Reference substance name:
- Stearic acid, cobalt salt
- EC Number:
- 237-016-4
- EC Name:
- Stearic acid, cobalt salt
- Cas Number:
- 13586-84-0
- Molecular formula:
- C18H36O2.xCo
- IUPAC Name:
- λ²-cobalt(2+) dioctadecanoate
- Details on test material:
- - Name of test material (as cited in study report): Stearic acid cobalt salt
- Physical state: solid, brown-violet
- Storage condition of test material: Store in a cool, well-ventilated place away from incompatible materials
Constituent 1
Results and discussion
Boiling point
- Atm. press.:
- 1 013 mBar
- Decomposition:
- yes
- Decomp. temp.:
- ca. 340 °C
- Remarks on result:
- other: Based on DSC-measurement, performed under nitrogen. Test item starts to boil under decomposition around 340 °C corrected at a pressure of 1013.3 hPa.
Any other information on results incl. tables
The measurement in an aluminium crucible (measured at 1015 hPa) with a hole showed an endothermic effect after the melting in the temperature range 330 – 490 °C with an onset temperature of 340 °C. A second measurement also showed an endothermic effect starting at 330 °C. However due to the uneven course of the base line a further interpretation of this measurement was not possible.
An additional measurement with the capillary method was performed in order to clarify the results of the DSC measurements.
Due to the result of the capillary measurement it can be concluded that the test item starts to boil under decomposition around 340 °C (based on the DSC method). Under the assumption of a boiling point of 340 °C, a correction of Δt of the boiling point to standard atmospheric pressure 1013.3 hPa was performed. The test item had a mean boiling point at atmospheric pressure (1013.3 hPa) of 340.0 °C.
Applicant's summary and conclusion
- Conclusions:
- The test item, stearic acid cobalt salt, starts to boil under decomposition around 340 °C corrected at a pressure of 1013.3 mbar.
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