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Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
03.04 - 04.05.2000
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
1992
Deviations:
no
GLP compliance:
yes
Type of method:
differential scanning calorimetry
Key result
Melting / freezing pt.:
ca. 78.2 °C
Atm. press.:
ca. 1 013 hPa
Decomposition:
yes
Decomp. temp.:
> 170 - < 220 °C

As a preliminary measuring for determining the thermal stability of the test substance a DSC was performed in a closed glass pan.The measurement in a closed glass pan shows an endothermic effect (melting) in the range 65-90 °C, with an onset of 79 °C and an exothermal decomposition in the range 170-220 °C, with a decomposition energy of 171 J/g.

Conclusions:
The test substance shows a mean melting point of 78 °C.
Executive summary:

The test substance shows a mean melting point of 78 °C determined in a study according to EU Method A.1.

Description of key information

The test substance shows a mean melting point of 78 °C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
78 °C

Additional information