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Diss Factsheets

Physical & Chemical properties

Boiling point

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Administrative data

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
April 28 to December 01, 2005
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
The study was conducted according to an internationally recognised method. No deviation affected the quality of the study. The substance is considered to be adequately characterised. Therefore full validation applies.
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Version / remarks:
1992
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
differential scanning calorimetry
Key result
Boiling pt.:
266.4 °C
Atm. press.:
100.8 kPa
Decomposition:
no

The temperature range for the investigation of the boiling point was fixed above 30°C.

In each of both thermograms an endothermic signal was observed in the temperature range from 250 to 270°C. This signal was evaluated and the following characteristic thermal data were determined:

 sample  weight  onset temperature  peak temperature
 1  3.408 mg  264.03 °C  266.44 °C
 2  2.680 mg  264.10 °C

 266.28 °C

 mean

 

 264.06 °C

 266.36 °C

Executive summary:

The boiling point of the test substance was determined according to EU A.2 guideline, using Differential Scanning Calorimetry method.

Two main runs were performed, under air atmosphere; the mean of peak temperature was retained.

The boiling temperature of the test substance has been determined to be 266.4 °C, under 100.8 kPa.

Description of key information

Experimental boiling point under air = 266.4 °C under 100.8 kPa (not corrected to normal atmP).

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
266.4 °C

Additional information

A fully reliable experimental study, conducted according to a recognized EC method, and under GLP, is available.

It is considered as a key study, and the result is retained as key data.