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EC number: 604-846-7 | CAS number: 152390-17-5
- 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:
- 2021-02-02 to 2021-06-17
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Version / remarks:
- European Commission Regulation (EC) No. 440/2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Version / remarks:
- 1995
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Remarks:
- Supplementary, the boiling point/range was determined by capillary tube in a metal block
- Key result
- Boiling pt.:
- >= 280 °C
- Atm. press.:
- 1 013 hPa
- Decomposition:
- yes
- Decomp. temp.:
- >= 280 °C
- Conclusions:
- Boiling range (OECD TG 103; A.2; DSC / Capillary method): >=280 °C under decomposition (>=280 °C)
- Executive summary:
The boiling point (range) of the test item was determined compliant with GLP according to European Commission Regulation (EC) No. 440/2008, A.2. as well as OECD 103 (1995) at atmospheric conditions.
Initially, two independent Differential Scanning Calorimetry (DSC) runs were performed to assess the boiling point/range. Using a cooling / heating rate of 10 K/min in a temperature range of -80 °C to 500 °C, an endothermal peak around 317 °C followed an exothermal peak at ca. 354 °C again followed by an endothermal peak around 470 °C indicated an overlap between boiling and decomposition, as did the observed mass loss after the DSC measurements of 92 %. To clarify whether the test item first boils and then decomposes, or whether decomposition already starts at the beginning of boiling, a third DSC measurement in an aluminium crucible with a hole was performed up to a final temperature of 325 °C. Within this measurement, an endothermal effect starting at 270 °C and persisting throughout the final temperature of 325 °C was observed. The mass loss after the DSC measurement amounted to 24 %. After the DSC measurement, brown sample residues were observed in the crucible.
To clarify the results of the DSC measurements further, a measurement with the capillary method was performed, which showed that the test item boiled accompanied by a colour change (decomposition) within a wide temperature range with beginning of bubbles and colour change to amber at 281 °C. At 289 °C bubbling increased, and a further discolouration to dark was observed.
Under consideration of the results from the DSC measurements and the capillary method, it was concluded that MAT-144 boiled under decomposition starting at approx. 280 °C at atmospheric conditions.
Reference
Boiling point / boiling range: DSC measurement
The first DSC measurement in an aluminium crucible with a hole showed an endothermal effect after the melting in the temperature range of 290– 325 °C, directly followed by an exothermal effect in the temperature range of 325 – 345 °C. The exothermal effect was in turn followed by an endothermal effect in the temperature range of 345 – 430 °C. Additionally, an endothermal effect was observed in the temperature range of 450 – 490 °C. The mass loss after the DSC measurements amounted to 92 %.
A second DSC measurement in an aluminium crucible with a hole showed an endothermal effect after the melting in the temperature range of 290 – 330 °C directly followed by an exothermal effect in the temperature range of 330 – 360 °C. Additionally, an endothermal effect was observed in the temperature range of 440 – 485 °C. The mass loss after the DSC measurements amounted to 95 %.
To clarify whether the test item first boils and then decomposes, or whether decomposition already starts at the beginning of boiling, a third DSC measurement in an aluminium crucible with a hole was performed up to a final temperature of 325 °C. Within this measurement an endothermal effect after the melting, starting at 270 °C and persisting through the final temperature of 325 °C was observed. The mass loss after the DSC measurement amounted to 24 %. After the DSC measurement, brown sample residues were observed in the crucible.
The results of the DSC measurements are summarized in the table 1 below:
Table 1: Boiling Point (DSC measurements)
Ident No. | Test item / mg | Starting temperature / °C | Final test temperature / °C | Temperature range / °C | Onset (boiling)1 / °C | Crucible | Observations after the measurement |
39439 | 12.18 | ‑80 | 500 | 290 – 325 (endothermal) 325 – 345 (exothermal) 345 – 430 (endothermal) 450 – 490 (endothermal) | -- | Aluminium with a hole | Black residue Mass loss: 92 % |
39472 | 12.04 | ‑80 | 500 | 290 – 330 (endothermal) 330 – 360 (exothermal) 440 – 485 (endothermal) | -- | Aluminium with a hole | Black residue Mass loss: 95 % |
39494 | 39.05 | ‑80 | 325 | 270 – (> 325) (endothermal) | -- | Aluminium with a hole | Brown sample residues. Mass loss: 24 % |
Graphical presentations of the DSC runs are shown in Figure 1 and Figure 2 given in the illustration attached to this ESR.
Boiling point / boiling range: capillary tube in a metal block
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. The results are summarized in Table 2 below:
Table 2: Results of the capillary method
No. | Set point / | Heating rate / K/min | End | Remarks |
1 | 200 | 10 | 400 | The test item was a brown-yellow viscous liquid. 281 °C: Beginning of bubbles and colour change to amber. 289 °C: Bubbling increased and further discolouration to dark. 307 °C: Continuous bubbling (boiling). 337 °C: Only few brown coloured test item left. Occasional bubble formation. 366 °C: Brown to black coloured test item. Very occasionally bubble formation. |
The capillary method measurement showed that the test item boiled accompanied by a colour change (decomposition) within a wide temperature range.
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 approx. 280 °C.
Description of key information
Boiling range (OECD TG 103; A.2; DSC / Capillary method): >=280 °C under decomposition (>=280 °C)
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 280 °C
- Temperature of decomposition (state purity):
- 280 °C
Additional information
The boiling point (range) of the test item was determined compliant with GLP according to European Commission Regulation (EC) No. 440/2008, A.2. as well as OECD 103 (1995) at atmospheric conditions.
Initially, two independent Differential Scanning Calorimetry (DSC) runs were performed to assess the boiling point/range. Using a cooling / heating rate of 10 K/min in a temperature range of -80 °C to 500 °C, an endothermal peak around 317 °C followed an exothermal peak at ca. 354 °C again followed by an endothermal peak around 470 °C indicated an overlap between boiling and decomposition, as did the observed mass loss after the DSC measurements of 92 %. To clarify whether the test item first boils and then decomposes, or whether decomposition already starts at the beginning of boiling, a third DSC measurement in an aluminium crucible with a hole was performed up to a final temperature of 325 °C. Within this measurement, an endothermal effect starting at 270 °C and persisting throughout the final temperature of 325 °C was observed. The mass loss after the DSC measurement amounted to 24 %. After the DSC measurement, brown sample residues were observed in the crucible.
To clarify the results of the DSC measurements further, a measurement with the capillary method was performed, which showed that the test item boiled accompanied by a colour change (decomposition) within a wide temperature range with beginning of bubbles and colour change to amber at 281 °C. At 289 °C bubbling increased, and a further discolouration to dark was observed.
Under consideration of the results from the DSC measurements and the capillary method, it was concluded that MAT-144 boiled under decomposition starting at approx. 280 °C at atmospheric conditions.
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