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EC number: 606-729-6 | CAS number: 212386-71-5
- 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
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:
- 27.08.15 - 07.01.16
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
- Key result
- Atm. press.:
- 1 013.25 hPa
- Decomposition:
- yes
- Decomp. temp.:
- 110 °C
- Remarks on result:
- other:
- Remarks:
- Under consideration of the results from the DSC measurements and the capillary method it was concluded that the test item melted under decomposition within a range of 110 - 155°C.
- Conclusions:
- The DSC measurements showed that the test item melted under decomposition within a range of 110 - 155 °C.
- Executive summary:
A study was conducted according to OECD test guideline 102, Regulation (EC) No 440/2008 method A.1. The melting range was determined by differential scanning calorimetry. The test item and the reference are heated up from the starting temperature to the final temperature at a constant heating rate in a defined atmosphere (nitrogen). Open crucibles are used as containers for the test item and as empty reference crucible. The quantity of heat absorbed or released is measured and recorded. The DSC measurements showed that the test item melted under decomposition within a range of 110 -155 °C under atmospheric conditions.
Reference
Melting point/melting range: DSC measurement
Two DSC measurements with a heating rate of 10 K/min showed endothermal effects in the temperature range of 110 - 155 °C and 195 - 245 °C. The first endothermal effect was followed directly by an exothermal effect in the temperature range of 155 - 195 °C. After the measurement a visual inspection showed a black residue and a mass loss of approximately 73 % was observed. The results of the DSC measurements are summarized in Table 1:
Table 1: Melting point (DSC Test item/ mg Starting temperature / °C measurements)
No. |
Test item/ mg |
Starting temperature / °C |
Final test temperature / °C |
Temperature range (melting) /°C |
Onset / °C |
Crucible |
Observations after the measurement |
35226 |
10.02 |
25 |
500 |
120 - 155 |
- |
Aluminium with a hole |
Measurement continued after melting |
35229 |
9.44 |
25 |
500 |
115 - 150 |
- |
Aluminium with a hole |
Measurement continued after melting |
An additional measurement with the capillary method was performed in order to clarify the melting range.
Melting point / melting range: capillary tube in a metal block
One 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 approx. 5 mm. The results are summarized in Table 2.
Under consideration of the results from the DSC measurements and the capilary method it was concluded that the test item melted under decomposition within a range of 110 - 155 °C.
Table 2: Results of the capillary method
No. |
Set point / °C |
Heating rate K/min |
End point /°C |
Remarks |
1 |
30 |
10 |
300 |
Approx. 30 °C: test item unchanged Approx. 141 °C: test item started to melt Approx. 150 °C: test item appeared melted, formation of bubbles Approx. 156 °C: test item appeared melted and clear Approx. 176 °C: formation of bubbles stopped Approx. 194 °C: formation of bubbles started again Approx. 217 °C: formation of bubbles decreases Approx. 251 °C: formation of bubbles stopped Approx. 300 °C no further changes |
Description of key information
A study was conducted according to OECD test guideline 102, Regulation (EC) No 440/2008 method A.1. The melting range was determined by differential scanning calorimetry. The test item and the reference are heated up from the starting temperature to the final temperature at a constant heating rate in a defined atmosphere (nitrogen). Open crucibles are used as containers for the test item and as empty reference crucible. The quantity of heat absorbed or released is measured and recorded. The DSC measurements showed that the test item melted under decomposition within a range of 110 -155 °C under atmospheric conditions.
Key value for chemical safety assessment
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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