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Physical & Chemical properties

Melting point / freezing point

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Reference
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

The test item had no melting temperature between -100 °C and 50 °C.

A glass transition was found at -69 °C.

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.

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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