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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:
2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
(1995)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
GLP compliance:
no
Type of method:
thermal analysis
Remarks:
(differential scanning calorimetry)
Melting / freezing pt.:
100 °C
Remarks on result:
other: Melt. pt: 373 K

No significant weight loss was observed during the analysis.

Table:  Melting point of test substance

Specimen No.

Onset (Melting Point) (°C)

Peak (°C)

Melting Range (°C)

Enthalpy (joules/g)

1

100.2

102.9

100 – 105

32.7

2

100.1

102.8

100 - 105

33.4

 

The melting temperature of the test substance is evaluated from the DSC curve as the onset temperature of the endothermic peak.

 

Conclusions:
Using differential scanning calorimetry, the melting temperature of the substance has been determined as 100°C.

Description of key information

Melting point: 100°C (EC A.1 and OECD 102: Differential Scanning Calorimetry)

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
100 °C

Additional information

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