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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
Study period:
From July, 2010 to July, 2010
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
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
GLP compliance:
no
Type of method:
other: Differential Scanning Calorimetry (DSC)
Melting / freezing pt.:
ca. -41 - ca. 18 °C
Remarks on result:
other: The cooling run shows a crystallisation at 13 °C.

The test material shows a glass transition temperature (amorphous components) at -51°C.

The cooling run shows a crystallisation at 13 °C.

Conclusions:
Under the study conditions, the test substance showed an area of melting temperatures between -41 and 18 °C (melting of crystalline parts).
Executive summary:

The melting temperature of the test substance was determined in accordance with the OECD Guideline 102 and EU Method A.1.

The practical test was performed based on the in-house test procedure VTA(S) 31X93001.02: "Melting temperature determination (Tm) of solid and liquid substances by means of DSC.

Under the study conditions, the test substance showed an area of melting temperatures between -41 and 18 °C (melting of crystalline parts). Furthermore, there was a glass transition temperature (amorphous components) at -51°C. The cooling run showed a crystallisation at 13 °C (Kintrup, 2010).

Description of key information

The melting point was determined according to OECD Guideline 102 and EU Method A.1 (Kintrup 2010a).

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
18 °C

Additional information

The melting point was between -41 and 18°C.