Registration Dossier
Registration Dossier
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EC number: 268-734-6 | CAS number: 68134-22-5
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
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
- Remarks:
- measurement according to standard operating procedure of testing institute
- Principles of method if other than guideline:
- Differential Thermal Analysis
- Type of method:
- differential scanning calorimetry
- Decomposition:
- yes
- Decomp. temp.:
- >= 324 °C
- Remarks on result:
- other: mean of 2 measurements
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
- Remarks:
- measurement according to standard operating procedure of testing institute
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to same study
- Principles of method if other than guideline:
- Differential Thermal Analysis
- Type of method:
- differential scanning calorimetry
- Decomposition:
- yes
- Decomp. temp.:
- >= 315 °C
- Remarks on result:
- other: mean of 2 measurements
Referenceopen allclose all
the test material starts to decompose with an onset temperature of 324°C, peak 342°C
no endothermal process (melting) was recorded
decomposition energy 372 J/g
the test material starts to decompose with an onset temperature of 315°C, peak 335°C
no endothermal process (melting) was recorded
decomposition energy 410 J/g
Description of key information
Key value for chemical safety assessment
Additional information
the bulk form decomposes without melting at an onset of 324°C
the nanoform decomposes without melting at an onset of 315°C
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