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EC number: 227-642-6 | CAS number: 5919-74-4
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:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- < -100 °C
- Atm. press.:
- 1 013 hPa
- Decomposition:
- no
- Conclusions:
- The test item had no melting temperature between -100 °C and 50 °C. A glass transition was found at -69 °C.
- Executive summary:
No melting temperature was found between -100 °C and 50 °C,
even by addition of aluminum oxide powder as crystallization aid
and annealing at -40 °C.
Reference
The test item had no melting temperature between -100 °C and 50 °C.
A glass transition was found at -69 °C.
Description of key information
The test item had no melting temperature between -100 °C and 50 °C. A glass transition was found at -69 °C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -69 °C
Additional information
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