tris(2-octyldodecyl) citrate

Melting point / freezing point

Administrative data

Endpoint:

melting point/freezing point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

15 August 2017 to April 2018

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2018

Report date:

2018

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 102 (Melting point / Melting Range)

Version / remarks:

27 July 1995

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Other quality assurance:

ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)

Type of method:

differential scanning calorimetry

Test material

Test material information

Constituent 1

Reference substance name:

1,2,3-tris(2-octyldodecyl) 2-hydroxypropane-1,2,3-tricarboxylate

EC Number:

603-121-2

Cas Number:

126121-35-5

Molecular formula:

C66H128O7

IUPAC Name:

1,2,3-tris(2-octyldodecyl) 2-hydroxypropane-1,2,3-tricarboxylate

Test material form:

liquid

Details on test material:

Tris(octyldodecyl) citrate 99.87 %
Bis(octyldodecyl) citrate 0.13 %

Specific details on test material used for the study:

The test substance, 2,3-Propanetricarboxylic acid, 2-hydroxy-1,2,3-tris(2-octyldodecyl) ester was allocated the code ESTS 69/17 for reference throughout the study.
Name: 2,3-Propanetricarboxylic acid, 2-hydroxy-1,2,3-tris(2-octyldodecyl) ester (Citmol 320)
Physical state: Clear, faintly yellow liquid
Purity: 99.39%
Molecular weight: 1033.74 g/mol
Storage conditions: Room temperature (15 to 30°C)

Results and discussion

Melting / freezing point

Key result

Melting / freezing pt.:

< -60 °C

Atm. press.:

ca. 96.9 kPa

Remarks on result:

other: No endotherm relating to a melting temperature was observed, the melting point was therefore < -60°C as this was the lowest test temperature

Any other information on results incl. tables

Melting/Freezing and Boiling Point

No endotherm relating to a melting temperature was observed, the melting point was therefore < -60°C as this was the lowest test temperature. Exothermic drift followed by decomposition was observed with a mean starting temperature of 174°C for the exothermic drift which lead into a broad exotherm with a mean starting temperature of 300°C. A red brown residue remained in the crucibles at the end of the test. The thermograms are shown in Figure 12 and Figure 13 (attached).

Applicant's summary and conclusion

Conclusions:

The melting / freezing point of the test substance was found to be <-60 °C at 96.9 kPa, under the conditions of the test.

Executive summary:

In this guideline (OECD 102) study, conducted with GLP certification, the melting point of the test substance (EC 603-121-2) was found to be <-60 °C at 96.9 kPa