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EC number: 293-693-6 | CAS number: 91081-84-4 By-product, containing primarily carbohydrates, produced by an ethanolic extraction of defatted soybean meal.
- 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:
- 04 January 2018 to 30 March 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- 2008
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- >= 30 - <= 120 °C
- Atm. press.:
- >= 100.2 - <= 102.1 kPa
- Conclusions:
- Under the conditions of this study, the test material was determined to melt/soften from approximately 30 to 120 °C at 100.2 to 102.1 kPa.
- Executive summary:
The melting point of the test material was investigated in accordance with the standardised guidelines OECD 102 and EU Method A.1, under GLP conditions.
As the DSC thermogram did not show any definitive indications of melting and boiling, it was considered that an additional, capillary / modified liquid bath method would give more definitive results as to how the test material changes physically on heating. As both procedures gave useful information, the modified liquid bath procedure results were taken alongside the DSC thermograms to give a better understanding of how the test material acts on heating.
As a result of the initial low rate of enthalpy change during melting / softening and partial boiling / decomposition, the onset temperatures could only be approximated. Similar thermographic profiles were obtained using air and nitrogen atmospheres. This indicated that the decomposition was probably thermal and not oxidative.
Under the conditions of this study, the test material was determined to melt/soften from approximately 30 to 120 °C at 100.2 to 102.1 kPa.
Reference
Thermal Analysis
- Determination 1: Loss on heating: 65 %
- Determination 2: Loss on heating: 12 %
- Determination 3: Loss on heating: 9 %
- Determination 4: Loss on heating: 20 %
- Determination 5: Loss on heating: 72 %
- Determination 6: Loss on heating: 72 %
- Atmospheric pressure:
Determination 1: 100.2 kPa
Determination 2 to 6: 102.1 kPa
Modified Capillary / Liquid Bath Method
- Significant sample observations and temperatures are summarised in the following tables:
Table 2: Visual Evaluation on Heating – Determination 1
Temperature (°C) |
Observations |
21 |
Fine, beige, dry powder, at the start of the test. |
98 |
The test material appears to be shrinking away from the walls of the tube, leaving some frond-like projections reaching out to the glass tube. |
118 |
The central part of the test material now appears to be a block of waxy, beige material, some frond-like projections remain. |
122 |
Liquid (beige, contains bubbles) appeared around the test material and above it, rapidly covering half of the test material, fronds are now absent. |
137 |
The test material is mostly very viscous, foaming liquid, beige with an orange/dark beige section (~ 10 %) at the top. The test material has expanded to cover ~ 5 cm of the tube. |
152 |
The test material is now wholly foam, covering entire tube, beige/ light brown in colour, darkest near the surface, bottom of tube almost empty due to large bubbles. The test material near the top has much denser bubbles. The top of the test material is now above the level of the silicone fluid. |
170 |
The foam is becoming darker in colour, now a pale brown colour with many large bubbles near the top, above the level of the silicone fluid. |
183 |
The foam is now dark brown in colour beneath the level of the silicone fluid, large bubbles present. Above the level of the silicone fluid, the test material is still a pale brown foam with smaller bubbles. Test halted. |
Table 3: Visual Evaluation on Heating – Determination 2
Temperature (°C) |
Observations |
30 |
Fine, beige, dry powder, at the start of the test. |
75 |
Gaps are appearing in between the grains of powder, at least they are now more evident. |
90 |
Shrinkage is beginning, test material is pulling away from the glass, fronds are connecting glass tube to the test material main block. |
105 |
Moistening of the test material, including the fronds. |
125 |
The fronds have mostly collapsed, becoming part of the main test material block, which now has an appearance of mostly liquid, foam (beige), with some dry patches (also beige). |
135 |
The dry patches are now absent, leaving a denser foam in the centre, upper part of the test material, slowly expanding upwards leaving behind a very bubbly foam beneath it. Now covers ~ 2.5 cm of the tube |
143 |
Central denser foam is still moving up the tube, leaving less dense-appearing foam beneath it, now covers ~ 5 cm of the tube. |
152 |
The test material foam now covers the entire tube, larger bubbles formed near the base. Test halted. |
- Overall result: Melted/softened from approximately 30 to 120 °C (303 to 393 K).
Discussion
- As the DSC thermogram did not show any definitive indications of melting and boiling, it was considered that an additional, capillary / modified liquid bath method would give more definitive results as to how the test material changes physically on heating. As both procedures gave useful information, the modified liquid bath procedure results were taken alongside the DSC thermograms to give a better understanding of how the test material acts on heating.
- As a result of the initial low rate of enthalpy change during melting / softening and partial boiling / decomposition, the onset temperatures could only be approximated.
- Similar thermographic profiles were obtained using air and nitrogen atmospheres. This indicated that the decomposition was probably thermal and not oxidative.
Description of key information
Under the conditions of this study, the test material was determined to melt/soften from approximately 30 to 120 °C at 100.2 to 102.1 kPa.
Key value for chemical safety assessment
Additional information
The melting point of the test material was investigated in accordance with the standardised guidelines OECD 102 and EU Method A.1, under GLP conditions. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).
As the DSC thermogram did not show any definitive indications of melting and boiling, it was considered that an additional, capillary / modified liquid bath method would give more definitive results as to how the test material changes physically on heating. As both procedures gave useful information, the modified liquid bath procedure results were taken alongside the DSC thermograms to give a better understanding of how the test material acts on heating.
As a result of the initial low rate of enthalpy change during melting / softening and partial boiling / decomposition, the onset temperatures could only be approximated. Similar thermographic profiles were obtained using air and nitrogen atmospheres. This indicated that the decomposition was probably thermal and not oxidative.
Under the conditions of this study, the test material was determined to melt/soften from approximately 30 to 120 °C at 100.2 to 102.1 kPa.
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