Registration Dossier
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EC number: 228-794-6 | CAS number: 6359-10-0
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:
- 22 January - 11 May, 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- 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:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- > 500 °C
- Decomposition:
- no
- Conclusions:
- The melting point was determined to be > 500 °C (DSC method).
- Executive summary:
The melting point of the test item was determined according to OECD guideline.
DCS method:
The appearance of the test item found to be black powder at initial and after the test in DSC. The weights of the test item found to be 2.0 mg at initial and 1.5 mg after the test for both the replications. During the heating up phase, endothermic signal was recorded in the temperature range of approx. 37- 134 °C that can be associated with the water loss. Then, up to 500 °C there were no further peaks found. Indicating that the melting point of the test item is above 500 °C.
Capillary method:
The test item does not melt up to 250 °C and no visual changes were observed.
Conclusion: From the results of the DSC test and the capillary test it is concluded that the melting point of the test item is above 500 °C.
Reference
Description of key information
> 500 °C at 1013 hPa
Key value for chemical safety assessment
Additional information
The MP was determined according to OECD guideline 102. Using the capillary method, the test substance did not melt during the heating process up to the max. temperature of 250 °C. The DSC method revealed further that the test substance does neither melt nor decompose up to 500 °C.
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