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EC number: 613-145-5 | CAS number: 63139-21-9
- 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:
- 30.10.-17.11.2006
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline 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)
- Version / remarks:
- 1992
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Remarks:
- and capillary method
- Key result
- Boiling pt.:
- >= 507 - <= 511 °C
- Atm. press.:
- 1 013 hPa
- Conclusions:
- The boiling range of the test item at atmospheric pressure (1013.3 hPa) is 507 - 511 °C.
- Executive summary:
A study was conducted according to OECD TG 103 and Regulation (EC) No 92/69/EEC method A.2 to determine the boiling point of the test item using differential scanning calorimetry. Aluminium crucibles with a small hole were used as containers for the test item and as empty reference crucible. The test item was heated up from ambient to the final temperature (600°C) at a constant heating rate (10 K/min) in a defined atmosphere (nitrogen). A supplementary test using the capillary method was performed with the test item. In this method the test item was filled in a capillary which was then inserted in a metal block. Then the block was heated to the set point (start temperature) of the measurement and further to the maximum temperature of the device (410 °C) with a heating rate of 10 K/min.
In the DSC measurement the test item showed a small endothermic effect in the temperature range 50 - 75 °C, a second one (melting) in the temperature range 110 - 165 °C, a small exothermic effect in the temperature range 180 - 250 °C and a further endothermic effect in the temperature range of 430 - 570 °C with an onset temperature of 507 - 511 °C. The mass loss over the measurements amounts to 92 wt.%. According to the capillary method no effect was observed in the temperature range 180 - 250 °C. Thus the boiling range of the test item at atmospheric pressure (1013.3 hPa) is 507 - 511 °C.
Reference
DSC measurement
Three measurements in aluminium crucibles with a hole showed an a small endothermic effect in the temperature range 50-75 °C, a second one (melting) in the temperature range 110- 165 °C, a small exothermic effect in the temperature range 180 - 250 °C and a further endothermic effect in the temperature range of 430 - 570 °C with an onset temperature of 507 - 511 °C. The mass loss over the measurements amount to 92 wt.%.
Table 1:Boiling point (DSC measurement)
Ident.-No. |
Onset / °C |
Temperature range / °C |
Crucible |
24827 |
507.30 |
430 - 570 |
Aluminium with a hole |
24830 |
511.04 |
430 - 570 |
Aluminium with a hole |
24831 |
508.19 |
430 - 570 |
Aluminium with a hole |
For the correction of the boiling point to standard atmospheric pressure (1013.3 hPa) the equation, table and graphs of H.B. Hass and R.F. Newton in „CRC Handbook of Chemistry and Physics, 74th ed. 1993-1994", pages 15-16 and 15-17 were used.
Capillary tube in a metal block
An additional measurement with the capillary method was performed to clarify the results of the DSC measurements.
Table 2: results of the capillary method
No. |
Set point / °C |
Heating rate |
End point / °C |
Boiling point |
Remarks |
|
|
1 1 |
40 250 |
5 K/min 20 K/min |
250 410 |
|
146 °C: started melting |
||
|
158 °C: melted, test item clear, yellowish |
||||||
|
410 °C test item light yellow |
According to the capillary method no effect was observed in the temperature range 180 - 250 °C. Due to this the boiling of the test item in the temperature range 507 - 511 °C will be given as final result.
Description of key information
The boiling range of the test item at atmospheric pressure (1013.3 hPa) is 507 - 511 °C (reference 4.3-1).
Key value for chemical safety assessment
Additional information
A study was conducted according to OECD TG 103 and Regulation (EC) No 92/69/EEC method A.2 to determine the boiling point of the test item using differential scanning calorimetry. Aluminium crucibles with a small hole were used as containers for the test item and as empty reference crucible. The test item was heated up from ambient to the final temperature (600°C) at a constant heating rate (10 K/min) in a defined atmosphere (nitrogen). A supplementary test using the capillary method was performed with the test item. In this method the test item was filled in a capillary which was then inserted in a metal block. Then the block was heated to the set point (start temperature) of the measurement and further to the maximum temperature of the device (410 °C) with a heating rate of 10 K/min.
In the DSC measurement the test item showed a small endothermic effect in the temperature range 50 - 75 °C, a second one (melting) in the temperature range 110 - 165 °C, a small exothermic effect in the temperature range 180 - 250 °C and a further endothermic effect in the temperature range of 430 - 570 °C with an onset temperature of 507 - 511 °C. The mass loss over the measurements amounts to 92 wt.%. According to the capillary method no effect was observed in the temperature range 180 - 250 °C. Thus the boiling range of the test item at atmospheric pressure (1013.3 hPa) is 507 - 511 °C (reference 4.3-1).
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