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Diss Factsheets
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EC number: 214-540-1 | CAS number: 1143-72-2
- 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
Link to relevant study record(s)
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2015-07-02 to 2015-07-20
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Version / remarks:
- 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
- Remarks:
- A measurement with the capillary method was additionally performed to clarify the results of DSC measurements.
- Key result
- Boiling pt.:
- >= 350 °C
- Decomposition:
- yes
- Decomp. temp.:
- >= 350 °C
- Remarks on result:
- other:
- Remarks:
- Atmospheric pressure not specified, normal pressure is presumed
- Conclusions:
- DSC measurements and the capillary method showed that the test item boiled under decomposition starting at approximately 350 °C.
- Executive summary:
A study was conducted according to OECD test guideline 103 and Regulation (EC) No 440/2008 method A.2. The boiling point was determined by differential scanning calorimetry (DSC 25 - 500 °C). The test item and the reference were heated up from the starting temperature to the final temperature at a constant heating rate of 10 K/min in a defined atmosphere (nitrogen). Open crucibles were used as containers for the test item and as empty reference crucible. The quantity of heat absorbed or released was measured and recorded. In addition, measurement with the capillary method with a heating rate of 10 K/min was performed to clarify the results of the DSC measurements. The filling height of the test item was approximately 5 mm. Under consideration of the results from the DSC measurements and the capillary method it was concluded that the test item boiled under decomposition starting at approximately 350 °C.
Reference
Results
DSC measurement
Two DSC measurements showed an endothermal effect after the melting in the temperature range of 350 to 410 °C. No further endothermic nor exothermic effects were seen up to the final test temperature of 500 °C. The mass loss after the DSC measurements was ca. 83 %.
Table 1 – DSC measurement results
Test item [mg] | Starting test temperature [°C] | Final test temperature [°C] | Temperature range (boiling) [°C] | Onset [°C] | Observations |
7.35 | 25 | 500 | 350 – 410 | Multi-stage | Black residue seen after the measurement |
8.57 |
A measurement with the capillary method was performed to clarify the results of the DSC measurements. Since this measurement was performed only as a verifying screening a high heating rate of 10 K/min was chosen and therefore the absolute temperature values derived with the capillary method are not as accurate as the DSC results. The filling height of the test item was approximately 5 mm.
Table 2 – Capillary method results
Set point [°C] | End point [°C] | Remarks |
300 | 410 | During the experiment the test item discoloured from amber to black |
Based on both methods executed, it was concluded that the test item boiled under decomposition starting at ca. 350 °C.
Description of key information
DSC measurements and the capillary method showed that the test item boiled under decomposition starting at approximately 350 °C.
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 350 °C
- Temperature of decomposition (state purity):
- 350 °C
Additional information
A study was conducted according to OECD test guideline 103 and Regulation (EC) No 440/2008 method A.2. The boiling point was determined by differential scanning calorimetry (DSC 25 - 500 °C). The test item and the reference were heated up from the starting temperature to the final temperature at a constant heating rate of 10 K/min in a defined atmosphere (nitrogen). Open crucibles were used as containers for the test item and as empty reference crucible. The quantity of heat absorbed or released was measured and recorded. In addition, measurement with the capillary method with a heating rate of 10 K/min was performed to clarify the results of the DSC measurements. The filling height of the test item was approximately 5 mm. Under consideration of the results from the DSC measurements and the capillary method it was concluded that the test item boiled under decomposition starting at approximately 350 °C.
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