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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 17, 2017 to August 15, 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
GLP compliance:
not specified
Type of method:
differential scanning calorimetry
Specific details on test material used for the study:
CAS No.: 544-31-0; EC No.: 208-867-9; Appearance: white solid at ambient temperature
Key result
Melting / freezing pt.:
> 55 - < 103 °C
Atm. press.:
1 013 hPa
Decomposition:
no
Sublimation:
no

55 °C - 103 °C (from first measurement),

54 °C - 103 °C (from second measurement),

54 °C - 104 °C (from third measurement),

The cooling run shows a begin of crystallization at ca. 89 °C.

Conclusions:
Under the study conditions, the test substance shows a melting area of the crystalline components between 55 °C and 103 °C in the 1st heating run (mean value from repeat determination).
Executive summary:

A study was conducted to determine the melting point of the test substance according to OECD Guideline 102 and EU Method A.1. Under the study conditions, the test substance shows a melting area of the crystalline components between 55 °C and 103 °C in the 1st heating run (mean value from repeat determination) (Kintrup, 2017).

Description of key information

The melting point was determined according to OECD Guideline 102 and EU Method A.1 (Kintrup, 2017).

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
55 °C

Additional information

melting area of the crystalline components between 55 °C and 103 °C