Squalene-rich fraction obtained from vegetable oil deodorizer distillate by transesterification, crystallisation and vacuum distillation

Melting point / freezing point

Link to relevant study record(s)

Reference

Endpoint:

melting point/freezing point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

not specified

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

study well documented, meets generally accepted scientific principles, acceptable for assessment

Qualifier:

no guideline followed

Principles of method if other than guideline:

The analysis was performed using Differential Scanning Calorimetry (DSC). The sample was sealed in a preweighed aluminum hermetic T-zero pan and the sample weight was recorded. The sample was loaded into the DSC and cooled under a nitrogen purge to -70°C. The sample was then heated at 20°C/min to 100°C. A broad melting endotherm was recorded and reported.

GLP compliance:

not specified

Type of method:

differential scanning calorimetry

Key result

Melting / freezing pt.:

ca. 20 - ca. 39 °C

Atm. press.:

ca. 1 atm

Remarks on result:

other: A broad melting endotherm was observed starting at -55°C and continuing to 60°C. Two melting peaks were observed at 20°C and 39°C.

For graphical representation of temperature changes, refer to the graph under illustration section of the IUCLID.

Conclusions:

Under the study conditions, the melting point range of the test substance was determined to be 20 to 39°C.

Executive summary:

A study was conducted to determine the melting point of the test substance using Differential Scanning Calorimetry (DSC) method. The sample was sealed in a preweighed aluminum hermetic T-zero pan and the sample weight was recorded. The sample was loaded into the DSC and cooled under a nitrogen purge to -70°C. The sample was then heated at 20°C/min to 100°C. A broad melting endotherm was observed starting at -55°C and continuing to 60°C; whereas two melting peaks were observed at 20°C and 39°C. Under the study conditions, the melting point range of the test substance was determined to be 20 to 39°C (ADM, 2019).

Description of key information

The melting point of the test substance was determined using the differential scanning calorimetry (DSC) method (ADM, 2019).

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:

20 °C

Additional information

Melting point range: 20 to 39°C.