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EC number: 607-097-4 | CAS number: 225234-14-0
- 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:
- 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- GLP compliance:
- not specified
- Type of method:
- differential scanning calorimetry
- Specific details on test material used for the study:
- Batch: XP3646
Appearance/Physical State: White/Pale yellow semi-solid - Key result
- Melting / freezing pt.:
- > -27 - < 28 °C
- Conclusions:
- The melting temperature of the test item has been determined to be over the range -27 to 28 ˚C ( 246 to 301 K) .
- Executive summary:
The test result was based on the range over which the test item melted. This was because freezing temperatures, although consistent in this case, are susceptible to being lower than the melting temperature due to super cooling. Additionally, it was not possible to accurately determine where the freezing event ended. The melting temperature gives an overall more accurate result but the freezing temperature is included for additional information.
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- GLP compliance:
- yes
- Type of method:
- capillary method
- Specific details on test material used for the study:
- XP3646
- Key result
- Melting / freezing pt.:
- > 40 - < 80 °C
- Remarks on result:
- not determinable
- Remarks:
- No melting pointg occured over this heating range.
- Conclusions:
- No melting point could be determined.
- Executive summary:
Using two gradients no significant melt was observed and therefore could not be reported. Observations from vapour pressure testing on the same test item, gave an indicative melt of between 40 -80 C, but the accuracy of this measurements is not known. Substance is polymeric in nature and such may exhibit differing behaviour based on the different crystalline forms and the application of different heating rates during testing. Therefore it was not posisble to determine melting point using this test.
Referenceopen allclose all
Description of key information
The melting/freezing temperature is defined as the point at which phase transition from solid to liquid state (or vice versa) at normal atmospheric pressure takes place. As the phase transition of many substance takes place over a large temperature range, it is often described as a melting/freezing range. During thermal analysis the peak width of an endothermic reaction also depends on sample amount and heating rate. Therefore, the onset point of the relevant endothermic peak is usually stated as the melting temperature. Where the endothermic peaks/effects are poorly defined, a range was stated in the result section.
The melting temperature of the test item has been determined to be over the range -27 to 28 ˚C ( 246 to 301 K) in one study using differential scanning calorimetry method.
In another study using two gradients no significant melt was observed and therefore could not be reported. Observations from vapour pressure testing on the same test item, gave an indicative melt of between 40-80 °C, but the accuracy of this measurements is not known. Substance is polymeric in nature and such may exhibit differing behaviour based on the different crystalline forms and the application of different heating rates during testing. Therefore it was not posisble to determine melting point using this test.
In conclusion it is not tehnically possible to report a single melting point for this test item.
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.