1,2-Cyclohexanedicarboxylic Acid, 1-(phenylmethyl) ester, ester with 2,2,4-trimethyl, 1,3-petanediol mono(2-methyl propanoate)

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:

April 2020

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

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

Principles of method if other than guideline:

Since the DSC experiment did not exhibit any glass transition or melting transitions at between temperatures -50°C to 192°C, an alternative method needs to be explored to determine the freezing point of P1700. The traditional approach, observing freezing and melting of the material at certain temperature, was thus used in this purpose.

GLP compliance:

not specified

Type of method:

method to determine freezing temperature

Specific details on test material used for the study:

Lot# 5084 supplied by the Delaware River Plant

Key result

Melting / freezing pt.:

< -14 °C

Remarks on result:

other: Atmospheric pressure not specified

Conclusions:

Since P1700 was slightly flowing at -14°C, which is not a property of a solid, it was concluded that the freezing point of P1700 is less than -14°C.

Executive summary:

Since the DSC experiment did not exhibit any glass transition or melting transitions at between temperatures -50°C to 192°C, an alternative method needs to be explored to determine the freezing point of P1700. The traditional approach, observing freezing and melting of the material at certain temperature, was thus used in this purpose.  

 

The test material was placed in a freezer, and the temperature was adjusted to -14°C. After 4 hours, the material became partially frozen (gel-like). After 8 hours, it was still partially frozen. After 24 hours, it was still partially frozen and flowing slightly.

Since P1700 was slightly flowing at -14°C, which is not a property of a solid, it was concluded that the freezing point of P1700 is less than -14°C.

Description of key information

The freezing point of P1700 is less than -14°C.