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Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
EU Method A.1 (Melting / Freezing Temperature)
GLP compliance:
Type of method:
thermal analysis
Melting / freezing pt.:
-14.5 °C
Atm. press.:
1 013 hPa

Two individual measurements were made, both yielding freezing points of -14.5 °C.

The freezing point of the substance is -14.5 °C at standard atmospheric pressure.
Executive summary:

The freezing point of the test substance was determined in accordance with EU Method A.1. Test substance was filled into a solidification tube with a diameter ranging from 18 to 25 mm. The substance was then cooled down and stirred slowly and continuously with a precision thermometer (Amarell, serial number 8442, range -30 to +30 °C, fractional division 0.1 °C, uncertainty 0.03 °C). The freezing point is reached when the temperature remains constant. The freezing point was determined to be -14.5 °C under atmospheric pressure of 1013 hPa.

Description of key information

-14.5 °C

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-14.5 °C

Additional information

The freezing point of the test substance was determined in accordance with EU Method A.1 to be -14.5 °C. This value is supported by handbook data reporting a freezing point in the range of -12.4 to -15 °C.