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Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
11.11.2008 - 22.01.2009
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
GLP compliance:
no
Type of method:
differential scanning calorimetry
Key result
Melting / freezing pt.:
60.4 °C
Atm. press.:
1 013.3 hPa
Decomposition:
no
Sublimation:
no

Two DSC-runs in aluminium crucibles with a hole showed an endothermic effect (melting) in the temperature range 55 - 80 °C with an onset temperature of 60 °C.

Ident-No.

Onset / °C

Temperature range / °C

Crucible

29098

60.47

55 - 80

Aluminium with a hole

29099

60.26

55 - 80

Aluminium with a hole

The test item has a mean melting point of 60.4 °C.

Conclusions:
The melting point of the test substance was determined to be 60.4 °C.
Executive summary:

A study was conducted according to OECD TG 102 and Regulation (EC) No 440/2008 method A.1 to determine the melting point of the test item using differential scanning calorimetry. The test item was weighed into an aluminium crucible under an inert atmosphere (nitrogen). Two tests with about 18 mg of the test item were performed. The crucible was heated from room temperature to 500 °C with 10 K/min heating rate. The melting point of the test item was determined to be 60.4 °C at atmospheric pressure (1013 hPa).

Description of key information

The melting point of the test substance was determined to be 60.4 °C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
60.4 °C

Additional information

A study was conducted according to OECD TG 102 and Regulation (EC) No 440/2008 method A.1 to determine the melting point of the test item using differential scanning calorimetry. The test item was weighed into an aluminium crucible under an inert atmosphere (nitrogen). Two tests with about 18 mg of the test item were performed. The crucible was heated from room temperature to 500 °C with 10 K/min heating rate. The melting point of the test item was determined to be 60.4 °C at atmospheric pressure (1013 hPa) (reference 4.2-1).