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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:
29 January 2007 to 08 February 2007
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
GLP compliance:
yes (incl. QA statement)
Type of method:
differential scanning calorimetry
Key result
Melting / freezing pt.:
67 °C
Atm. press.:
101.325 kPa
Decomposition:
yes
Decomp. temp.:
>= 200 °C

In the pre-test at 216 ˚C 70% weight loss was observed.

A first test according to the design as described under the second test gave inconsistent results and was therefore not reported.

At 67 ˚C the onset of an endothermic peak was observed in both heating cycles of the main test. During cooling a transition endothermic peak was oberved at 66 ˚C.

Conclusions:
The melting point of the substance is 67 ˚C.
Executive summary:

In a test using differential scanning calorimetry, the melting point of the substance was found to be 67 ˚C.

Description of key information

In a test using differential scanning calorimetry, the melting point of the substance was found to be 67˚C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
67 °C

Additional information