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EC number: 216-036-7 | CAS number: 1478-61-1
- 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:
- 09 August 2017 - 28 November 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- Study was conducted in accordance with international guidelines and in accordance with GLP. All guideline validity criteria were met.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- Regulation (EC) 440/2008 of 30 May 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- 27 July 1995.
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- capillary method
- Remarks:
- Melting temperature devices with metal block as per Regulation (EC) 440/2008, Method A.1.
- Key result
- Melting / freezing pt.:
- 161.7 °C
- Atm. press.:
- ca. 101 325 Pa
- Decomposition:
- no
- Conclusions:
- The test item has a mean melting point of 161.7 °C ± 0.5 °C (434.9 K ± 0.5 K).
- Executive summary:
EU Method A.1. – The melting point of the test item was determined using the capillary method. The procedure employed was designed to be compatible with Method A.1. Melting/Freezing Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008.
Aliquots of test item (4 – 6 mm) were placed in capillary tubes fused at one end and subjected to heating at a rate of 0.5 K/min from a temperature of 10 K below the test item melting temperature determined during a preliminary test. Heating was continued until melting of the sample was observed. The main test was performed three times.
The mean melting temperature of the test item was established as being 161.7 °C ± 0.5 °C.
Reference
Preliminary Test:
The test item was put into the capillary tube so that the filling level was approximately 4 to 6 mm. Then the filled capillary tube was placed in the metal heating block of the instrument.
The test was started at 30 °C. The heating rate was 5 K/min. The melting was observed at 161.9 °C.
Main Test:
The test was started at 150 °C with a heating rate of 0.5 K/min.
The following results were observed:
Table 4: Results of the Main Test
Main test |
Melting temperature |
|
No. |
[K] |
[°C] |
1 |
434.9 |
161.7 |
2 |
434.8 |
161.6 |
3 |
434.9 |
161.7 |
Mean: |
434.9 |
161.7 |
Description of key information
Melting Point: 161.7°C ± 0.5 °C (434.9 K ± 0.5 K); EU Method A.1.; C Bär (2017)
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 161.7 °C
Additional information
EU Method A.1. – The melting point of the test item was determined using the capillary method. The procedure employed was designed to be compatible with Method A.1. Melting/Freezing Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008.
Aliquots of test item (4 – 6 mm) were placed in capillary tubes fused at one end and subjected to heating at a rate of 0.5 K/min from a temperature of 10 K below the test item melting temperature determined during a preliminary test. Heating was continued until melting of the sample was observed. The main test was performed three times.
The mean melting temperature of the test item was established as being 161.7 °C ± 0.5 °C.
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