Registration Dossier

Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

Currently viewing:

Administrative data

melting point/freezing point
Type of information:
experimental study
Adequacy of study:
other information
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: reliable inhouse method

Data source

Reference Type:
other company data
Report date:

Materials and methods

Principles of method if other than guideline:
The molten sample is slowly cooled to about 3 -5 °C below the expected freezing point by stirring a thermometer by ambient conditions. Crystallisation is then triggered either by rubbing with the thermometer at the test-tube wall or by inoculation. The seed crystals are evenly distributed in the sample by stirring intensely for a short period. After initialisation of crystallisation, the thermometer is only slowly moved up and down without touching the test-tube wall until the highest temperature is reached. The highest temperature is recorded, accurate to 0.1 °C, and is given as the freezing point. Temperature correction, if given in calibration certificates, is accounted for.
GLP compliance:

Test material

Results and discussion

Melting / freezing point
Melting / freezing pt.:
53 °C
Remarks on result:
other: Freezing point

Applicant's summary and conclusion

The freezing point of the test item was determined to be ca. 53°C.