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Physical & Chemical properties

Boiling point

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
14 MAR 2013 - 28 MAY 2013
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Version / remarks:
European Commission Regulation (EC) No. 440/2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point/Boiling Range)
Version / remarks:
1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: OECD 113 Screening test for thermal stability and stability in air
Version / remarks:
1981
Deviations:
no
GLP compliance:
no
Type of method:
differential scanning calorimetry
Decomposition:
yes
Remarks on result:
not determinable

Thermal stability

The DSC-measurement with the test item in closed glass crucibles showed an endothermal effect in the temperature range of 260 - 340 °C. No further endothermal or exothermal effects could be observed up to the final temperature.

Boiling Point / Boiling range

Two measurements in aluminium crucibles with a hole showed a first broad endothermic effect in the temperature range of 110-265 °C. A second endothermic effect occurred in the temperature range of 290 - 350 °C and is directly followed by several exothermal effects in the temperature range of 350 °C up to the maximum test temperature of 500 °C. The mass loss during the two measurements was 34 % and 37 %, respectively. The samples appeared black and encrusted after the measurements. Graphical presentation of the DSC runs No. 33636 and No. 33637 is given as background material.

Due to the fact that the samples appeared black after the measurements and the mass loss of the test item was only 34 % and 37 %, respectively, it was concluded that the endothermal effects can not be interpretated as boiling. The test item decomposes.

Conclusions:
The test item decomposes.
Executive summary:

The boiling point / boiling range of the the test item was assessed in a non-GLP study according to EU Method A.2 and OEDC Guideline 103 via differential scanning calorimetry (DSC). The test item has no boiling point under atmospheric conditions. The test item decomposes. The samples appeared black and encrusted after the measurement.

Description of key information

The boiling point / boiling range of the the test item was assessed in a non-GLP study according to EU Method A.2 and OEDC Guideline 103 via differential scanning calorimetry. The test item has no boiling point under atmospheric conditions. The test item decomposes. The samples appeared black and encrusted after the measurement.

Key value for chemical safety assessment

Additional information