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EC number: 229-186-3 | CAS number: 6424-76-6
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:
- March 06, 2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: guideline study (EC A.1. and OECD 102)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- thermal analysis
- Decomposition:
- yes
- Decomp. temp.:
- 350 - 400 °C
- Executive summary:
Melting point / melting range:
The test item showed no melting within the measurement range of 25 - 350 °C. Above 350 °C the test item showed exothermal decomposition.
Reference
Individual results
Melting point / melting range (DSC measurement)
The DSC measurement in an aluminium crucible with a hole showed an exothermal effect in the temperature range of 350 – 430 °C. The result of the DSC measurement is summarized inTable 1.
Table 1: DSC-measurements
Ident No. |
Test item [mg] |
Final test temperature [°C] |
Type of effect |
Temperature range [°C] |
Onset [°C] |
Mass loss [mg] |
34890 |
8.67 |
500 |
exothermal |
350 - 430 |
n.r. |
1.19 |
n.r. = not relevant
After the DSC measurement up to thefinal test temperature of 500 °C, the sample inthe aluminium crucibles appeared to be unchanged without being melted visually, but lost mass.
The test item showed no melting within the measurement range of 25 - 350 °C.
Description of key information
The melting point / melting range of the test item was determined according to the European Commission Regulation (EC) No. 440/2008, Method A.1 and according to the OECD test guideline, OECD 102.
Key value for chemical safety assessment
Additional information
Melting point / melting range:
The test item showed no melting within the measurement range of 25 - 350 °C. Above 350 °C the test item showed exothermal decomposition.
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