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Diss Factsheets
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EC number: 276-516-7 | CAS number: 72243-90-4
- 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
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From December 18, 2017 to February 06, 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- 1995
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
- Decomposition:
- yes
- Decomp. temp.:
- 290 °C
- Conclusions:
- The substance decomposes before melting (at 290 °C)
- Executive summary:
The thermal behaviour of test item was assessed using the DSC analysis, according to the OECD guideline 102.
The test item does not melt up to the decomposition of approx. 290 °C at atmospheric pressure (1020 hPa) as determined by differential scanning calorimetry. To verify the results of the DSC measurement, three additional measurements with the capillary method were performed in the temperature range of 28 – 310 °C with a heating rate of 10 K/min. The test item showed no melting in the temperature range from ambient temperature to 295 °C. Above 295 °C the test item decomposes under evolution of gas and the colour of the test item changed to black.
One to this result, the item shows no melting of the test item until the decomposition starts at a temperature of 295 °C.
Conclusion
The substance decomposes before melting (at 290 °C)
Reference
DSC analysis
Between 250 – 270 °C a second small endothermic effect could be detected. These effects are untypical for melting of the test item. Two exothermic effects were observed in the temperature range 290 – 350 °C and 350 – 460 °C with an overall decomposition energy of -140 J/g and -80 J/g respectively.
Sample weight / mg | Onset of Effect / °C | Range of effect / °C | Energy g/J | Weight loss / mg | Atmospheric pressure / hPa |
5.95 | 60.6 | 60 – 200 (endo) | 103.17 | 2.38 | 1020 |
250 – 270 (endo) | 4.27 | ||||
290 – 350 (exo) | -63.5 | ||||
360 – 440 (exo) | -12.12 | ||||
7.24 | 42.35 | 40 – 220 (endo) | 298.54 | 2.36 | 1020 |
250 – 270 (endo) | 4.64 | ||||
290 – 310 (exo) | -47.37 | ||||
350 – 460 (exo) | -89.35 |
Capillary method
The test item showed no melting in the temperature range from ambient temperature to 295 °C. Above 295 °C the test item decomposes under evolution of gas and the colour of the test item changed to black.
One to this result, the item shows no melting of the test item until the decomposition starts at a temperature of 295 °C.
Description of key information
The substance decomposes before melting (at 290 °C)
Key value for chemical safety assessment
Additional information
OECD 102 - DSC and capillary methods
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