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EC number: 946-006-5 | CAS number: 1175539-64-6
- 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:
- experimental dates: 21-23 March 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- The study was conducted according to an internationally recognised method, and under GLP. The substance is considered to be adequately characterised. Therefore full validation applies.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Version / remarks:
- 27. Jul. 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Version / remarks:
- Regulation (EC) No 440/2008 of 30 May 2008
- Deviations:
- no
- Principles of method if other than guideline:
- Not applicable
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Landesamt für Umwelt (inspected on 15-16/11/ 2017, signed on 15/05/2018)
- Type of method:
- differential scanning calorimetry
- Specific details on test material used for the study:
- Storage condition of test material: The test item was stored in a metal bottle as received in the dark from the day of receipt till the 18. Jan. 2017 at 17.2 °C – 21-5 °C and was then stored in a closed vessel (original metal bottle) at 3.0 °C – 8.0 °C in the dark.
- Key result
- Boiling pt.:
- ca. 158.3 - ca. 201.2 °C
- Atm. press.:
- ca. 101 325 Pa
- Decomposition:
- ambiguous
- Executive summary:
The boiling point of the test substance was determined, under GLP, according to OECD 103/EU A2 guideline, via DSC (differential scanning calorimetry).
A pre-test with the capillary method, then four determinations with DSC were performed.
No sharp transition was recorded, but a progressive volatilisation was observed during the experiment. This started from ca 46°C, according to the preliminary test (1st bubbles).
A small endothermic event was detected and considered to be a representative boiling range value for the test substance, with a maximum at ca 186.73 in agreement with the result of the preliminary determination (181°C for bubble chain break).
The boiling range was determined under these circumstances with:
158.33 °C (431.48 K) to 201.21 °C (474.36 K)
Reference
Pre-test following Siwoloboff:
Since 46 °C individual bubbles were visible. The bubble chain was observed at 190 °C, the gas burner was turned down. The boiling chain broke at 181 °C. After cooling down no visual change was recorded.
Security Pre-test for the DSC instrument:
The crucible was found visually unchanged after reaching a temperature of 420°C. After further heating to 600°C and cooling down the crucible was visually unchanged. The weight after recorded with 45.64 mg after reaching 420 °C and 45.61 mg after reaching 600 °C. This corresponds to 45.2% and further1.59% mass loss respectively.
Main test
Observations: In the four measurements, after the test, the crucibles were visually unchanged. The weight loss ranged between 80 and 97%.
No clear thermal event was recorded. A weak endothermic behavior was visible, after removing the drift of the instrument.
In the first measurement only the start-end of the happening are marked.
In the further measurements the range is clearly visible.
Boiling range (°C) | Begin | Peak max | End |
Determination 1 * |
85.38 |
|
179.02 |
Determination 2 |
162.15 |
|
190.27 |
Determination 3 |
171.98 |
186.73 |
201.21 |
Determination 4 |
158.33 |
|
191.91 |
* not taken for the evaluation
Validity: As the criterion of ≤ 0.5 K was not fulfilled and the test item is an UVCB a boiling range was stated.
Discussion
From the four determinations no clear sharp peak was observed, but a significant deviation of the heat flow. This can be observed when selective vo-latilisation occurs, which is consistent with the UVCB nature of the substance and the weight loss recorded.
Further investigation was conducted around the boiling temperature observed in the preliminary capillary test (quick heating rate) i.e. approx. 181°C: a small and wide. endothermic event was detected and considered to be a representative boiling point value for the test substance. The detected peak maxima of the third determination with 186.73 °C can be compared with the pre-test value, meaning that at this temperature the main component boils.
As the replicates were not within accuracy limits, and according to the UVCB character of the test item, the result should be stated as a range. The boiling range was determined under these circumstances with:
158.33 °C (431.48 K) to 201.21 °C (474.36 K)
However it should be noted that these results may vary slightly with the substance composition.
Description of key information
Boiling range = 158.3 - 201.2°C
Key value for chemical safety assessment
Additional information
A fully reliable experimental study, conducted according to a recognized OECD/EC method and under GLP, is available. It is considered as a key study. As the result is expressed as a range, it cannot be retained as key data.
Note that this parameter may show some variations, due to the UVCB nature of the substance.
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