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Physical & Chemical properties

Boiling point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
boiling 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.2 (Boiling Temperature)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point)
Deviations:
no
GLP compliance:
no
Type of method:
differential scanning calorimetry
Key result
Boiling pt.:
> 437 - <= 468 °C
Atm. press.:
1 013.3 hPa
Decomposition:
yes

Two DSC-runs in aluminium crucibles with a hole showed an endothermic effect after melting in the temperature range 410 - 480 °C with an onset temperature of approx. 450 °C.

Ident-No.

Onset / °C

Temperature range / °C

Crucible

29098

436.8

410 - 480

Aluminium with a hole

29099

467.7

410 - 480

Aluminium with a hole

The colour of the test item changed in the course of the measurement from a white powder to a black residue. From this fact and considering the result of the DSC-measurement in a closed glass crucible it can be concluded that the test item boiled under decomposition in the temperature range of approximately 437 - 468 °C.

Conclusions:
The test item boiled under decomposition in the temperature range of approximately 437 - 468 °C.
Executive summary:

A study was conducted according to OECD TG 103 and Regulation (EC) No 440/2008 method A.2 to determine the boiling point of the test item using differential scanning calorimetry. The test item was weighed out 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. Two DSC-runs in aluminium crucibles with a hole showed an endothermic effect after melting in the temperature range 410 - 480 °C with an onset temperature of approx. 450 °C. The colour of the test item changed in the course of the measurement from a white powder to a black residue. From this fact and considering the result of the DSC-measurement in a closed glass crucible it can be concluded that the test item boiled under decomposition in the temperature range of approximately 437 - 468 °C.

Description of key information

The test item boiled under decomposition in the temperature range of approximately 437 - 468 °C.

Key value for chemical safety assessment

Additional information

A study was conducted according to OECD TG 103 and Regulation (EC) No 440/2008 method A.2 to determine the boiling point of the test item using differential scanning calorimetry. The test item was weighed out 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. Two DSC-runs in aluminium crucibles with a hole showed an endothermic effect after melting in the temperature range 410 - 480 °C with an onset temperature of approx. 450 °C. The colour of the test item changed in the course of the measurement from a white powder to a black residue. From this fact and considering the result of the DSC-measurement in a closed glass crucible it can be concluded that the test item boiled under decomposition in the temperature range of approximately 437 - 468 °C (reference 4.3-1).