Reaction mass of 2-{[2-(2-hydroxyethoxy)ethoxy]carbonyl}benzoic acid and 2,2'-oxydiethanol

Melting point / freezing point

Link to relevant study record(s)

Reference

Endpoint:

melting point/freezing point

Type of information:

experimental study

Adequacy of study:

supporting study

Study period:

2012-04-03 till 2012-10-02

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Reason / purpose for cross-reference:

reference to same study

Qualifier:

according to guideline

Guideline:

other: DIN EN ISO 11357-1 "Plastics - Differential Scanning Calorimetry (DSC) Part 1: General principles"

Deviations:

no

Principles of method if other than guideline:

Melting point, boiling point, thermal stability and glass transition temperature by Differential Scanning Calorimetry (DSC):
Samples of the test item and of a reference material are subjected to the same controlled temperature programme. The difference in energy input necessary to maintain identical temperatures between the test item and the reference material is recorded. When the sample undergoes a phase transition, the corresponding change of enthalpy gives a departure from the base line of the heat flow record.

GLP compliance:

yes (incl. QA statement)

Type of method:

thermal analysis

The glass transition point of the test item is – 78.64 °C.

Conclusions:

The glass transition point of the test item is – 78.64 °C.

Executive summary:

The glass transition point of the test item was determined according DIN EN ISO 11357 -1 "Plastics - Differential Scanning Calorimetry (DSC) Part 1: General principles" with Differentail Scanning Calorimetry (DCS) and – 78.64 °C was measured.

Description of key information

There was no melting point from –100 °C to ambient temperature, according to EU method A.1. At ambient temperature the test item is liquid.
The glass transition point of the test item is – 78.64 °C.