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Diss Factsheets
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EC number: 608-605-7 | CAS number: 313482-99-4
- 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:
- 2003-01-28
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to same 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:
- 1992
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- signed, 2002-07-09
- Type of method:
- differential scanning calorimetry
- Specific details on test material used for the study:
- - Storage condition of test material:
In the freezer protected from light, under nitrogen
- Treatment of test material prior to testing: The test substance was crushed prior to use - Melting / freezing pt.:
- 62 °C
- Atm. press.:
- 1 013.25 hPa
- Decomposition:
- ambiguous
- Decomp. temp.:
- >= 292 °C
- Sublimation:
- no
- Remarks on result:
- other: no atm. press. was stated, 1013.25 hPa were assumed
- Conclusions:
- The melting temperature of the test item was determined to be 62 °C (335 K). Probably because of a small amount of impurities, the melting process started already at about 48 °C (321 K). Reaction or decomposition of the test substance was observed above about 292 °C (565 K).
Reference
1st measurement: An endothermic peak was observed between 48 and 85 °C. This effect was probably caused by melting of the substance. The extrapolated onset temperature of the melting peak is 62 °C. An exothermic effect started at about 294 °C, probably caused by reaction or decomposition of the test substance. After the experiment, the sample appeared to have been molten and had a yellow colour. The sample had lost 3 % of its mass.
2nd measurement: The endothermic melting peak was observed between 51 and 75 °C. The extrapolated onset temperature of the peak is 62 °C. After the experiment, the sample appeared to have been molten. The colour of the sample was yellow, lighter than after the first measurement. No significant change in mass was observed.
3rd measurement: The endothermic melting peak was observed between 48 and 85 °C. The extrapolated onset temperature is 62 °C. A small exothermic effect, which is probably caused by reaction or decomposition of the test substance, started at about 292 °C. The maximum of the effect was reached at about 302 °C. At approximately 309 °C, it changed to slightly endothermic. After the experiment, the sample appeared to have been molten and a yellow colour that was darker than after the second experiment. The sample had lost 12 % of its mass.
Description of key information
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 62 °C
Additional information
The melting temperature of the test substance was determined to be 62 °C (335 K). Probably because of a small amount of impurities, the melting process started already at about 48 °C (321 K). Reaction or decomposition of the test substance was observed above about 292 °C (565 K). Boiling of the test substance was not observed before decomposition started.
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