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EC number: 853-587-8 | CAS number: 199387-97-8
- 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:
- 2022-01-17 to 2022-04-04
- 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 103 (Boiling Point)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Deviations:
- no
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
- Version / remarks:
- 1996
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Key result
- Decomposition:
- yes
- Decomp. temp.:
- > 183.7 °C
- Conclusions:
- The boiling point of the test item can not be defined as it starts to decompose during the melting process.
- Executive summary:
The boiling point of the test item can not be defined as it starts to decompose during the melting process. The results were obtained by DSC and optically confirmed by capillary method according to EU Method A.2. and OECD Test Guideline 103 in a GLP study.
Reference
Results of the DSC measurements are summarised in Table 1.
Table 1: Results of the DSC measurements
Measurement |
Sample weight [mg] |
Onset of effect [°C] |
Range of effect [°C] |
Weight loss [mg] |
Atmospheric pressure [hPa] |
1 |
8.28 |
163.45 183.67 - |
160-170 (endo) 180-240 (endo) 290-350 (exo) |
7.05 |
1022.8 |
2 |
7.93 |
163.46 183.71 |
160-170 (endo) 180-240 (endo) 290-350 (exo) |
6.70 |
1021.7 |
The test
item showed a first small endothermic effect in the temperature range of 160 – 170 °C
and a second larger endothermic effect in the temperature range of
180 – 240 °C. An exothermic effect was detected in the temperature range
of 290 – 350 °C. No further thermal effects were observed up to the test
end temperature of 500 °C.
During the verification measurements with the capillary method it was
observed that the test item started to melt at approx. 180 °C. During
the melting process the formation of gas bubbles (foaming) was observed.
At 200 °C the test item was completely molten and had turned into a
clear yellow liquid.
The test item did not show a separate distinct endothermic signal which could be assigned to the boiling of the test item above the melting temperature of the test item. Nevertheless, gas formation directly following the melting process was observed by capillary method. However, the cause for the formation of gas can be based on a decomposition process of the test item instead of boiling. If the test item had been boiling the weight loss at the end of the DSC measurement would have been approx. 100 % instead of only approx. 85 %. This means that decomposition product probably remained as residue in the crucible. Furthermore, the liquid in the capillary had turned yellow at 200 °C. This indicates a chemical reaction at these temperatures.
The melting process is directly followed by a decomposition process accompanied by gas evolution. As the test item starts to decompose before reaching its boiling point, the boiling temperature can not be specified.
Description of key information
The boiling point of the test item can not be defined as it starts to decompose during the melting process. The results were obtained by DSC and optically confirmed by capillary method according to EU Method A.2. and OECD Test Guideline 103 in a GLP study.
Key value for chemical safety assessment
- Temperature of decomposition (state purity):
- 200 °C
Additional information
Temperature of decomposition around 200°C.
HPLC purity 100 %
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