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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:
08 September 2017
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:
not specified
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
2008
Deviations:
not specified
GLP compliance:
no
Type of method:
differential scanning calorimetry
Key result
Melting / freezing pt.:
70.4 °C
Atm. press.:
1 009 hPa
Decomposition:
no
Sublimation:
no

Table 1. Results of the DSC measurements

 Sample  Sample weight (mg)  Onset of effect (deg C)  Range of effect (deg C)  Weight loss (mg)  Atmospheric pressure (hPa)
 1  14.06  70.09  60 - 80 (endothermic)  14.01  1009
 2  14.84  70.65  60 - 80 (endothermic)  14.83  1009
Conclusions:
The test item has a melting point of 70.4 °C at atmospheric pressure (1009 hPa).
Executive summary:

The test item has a melting point of 70.4 °C at atmospheric pressure (1009 hPa) as determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.1. and OECD Test Guideline 102 (1995). This study is considered to be reliable without restrictions (Klimisch 1). The study was not GLP-compliant, however the testing laboratory holds a GLP certificate.

Description of key information

The test item has a melting point of 70.4 °C at atmospheric pressure (1009 hPa), as determined by differential scanning calorimetry.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
70.4 °C

Additional information

The test item has a melting point of 70.4 °C at atmospheric pressure (1009 hPa), as determined by differential scanning calorimetry according to EU Method A.1. and OECD Guideline 102 (2017). This study is considered to be reliable without restrictions (Klimisch 1). The study was not GLP-compliant, however the testing laboratory holds a GLP certificate.