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Physical & Chemical properties

Melting point / freezing point

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Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2009-04-03 to 2009-10-23
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
GLP compliance:
yes
Type of method:
thermal analysis
Remarks:
Differential scanning calorimetry
Specific details on test material used for the study:
Batch No.: 20090302
Purity: 99.42%
Key result
Melting / freezing pt.:
-40.7 °C
Remarks on result:
other: Atm. press. unknown

Thermograms are given as attached supporting information.

Substance  Test sample   Test result (°C) Freezing point (°C)
1st 2nd
DEHCH n1 -40.8 -40.8 -40.8  -40.7
n2 -40.5 -40.5 -40.5
n3 -40.9 -40.9 -40.9
DEHP n1 -48.1 -48 -48.0   
DBP - -42.7 -42.7 -42.7   
Conclusions:
The freezing point of the test substance is -40 °C.

Description of key information

Freezing point: -40.7 °C (OECD 102)

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-40.7 °C

Additional information