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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:
Test dates: May 04 to May 09, 2005
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
The study was conducted according to an internationally recognised method, and under GLP. The substance is adequately identified. Therefore full validation applies.
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Version / remarks:
1992
Deviations:
no
Principles of method if other than guideline:
Not applicable
GLP compliance:
yes (incl. QA statement)
Remarks:
GIPC: effective Sep.11, 2003, signed on Jan.23, 2004.
Type of method:
differential scanning calorimetry
Boiling pt.:
305.6 °C
Atm. press.:
101.2 kPa

Table 4.3/1: Experimental data of observed effects






























Sample



Weight



Onset temperature



Peak maximum



1



5.780 mg



305.47 °C



313.51 °C



2



4.514 mg



305.67 °C



308.22 °C



Mean



 



305.57 °C



 



 


The temperature range for investigation of the boiling point was fixed above 40 °C. In each of both thermograms one endothermic signal was observed.


Two main runs were performed and endothermic signal for both runs results in mean boiling point temperature.


The mean onset for boiling occured at 305.57 °C. The quality criteria (± 0.5 K) was met and thermograms were reproducible.


 Atmospheric pressure = 101.2 kPa

Executive summary:

The boiling point of the test substance was determined under GLP according to EU A2 guideline, using Differential Scanning Calorimetry (DSC) method.


Two main runs were performed and endothermic signal for both runs results in mean boiling point temperature.


Under the test conditions the mean onset for boiling occured at 305.57 °C at 101.2kPa.

Description of key information

Boiling point = 305.6°C (under 101.2 kPa) (experimental, EU A2, DSC, GLP).

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
305.6 °C

Additional information

A fully reliable experimental study, conducted according to a recognized EC method and under GLP, is available.
It is considered as key study, and the result is retained as key data.