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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:
between March 26th, 2018 and April 05th, 2018
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 considered to be adequately characterised. Therefore full validation applies.
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point)
Version / remarks:
1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Version / remarks:
European Commission Regulation (EC) No. 440/2008
Deviations:
no
Principles of method if other than guideline:
The boiling point / boiling range is determined by differential scanning calorimetry (DSC). The test item and the reference are heated up from the starting temperature to the final temperature at a constant heating rate in a defined atmosphere (nitrogen). Open crucibles are used as containers for the test item and as empty reference crucible. The quantity of heat absorbed or released is measured and recorded.
GLP compliance:
yes (incl. QA statement)
Remarks:
inspected on 20 and 21 June 2017 / signed on 04 September 2017
Type of method:
differential scanning calorimetry
Key result
Boiling pt.:
>= 200 - <= 315 °C
Atm. press.:
ca. 1 013.3 hPa
Remarks on result:
other:
Remarks:
based on three measurements

The first measurement showed an endothermal effect in the temperature range of 200 – 315 °C. The onset of the endothermal effect was ambiguous.The mass loss after the DSC measurements amounted to approximately 100 %.

The two other measurements showed an endothermal effect in the temperature range of 200 – 310 °C.The onset of the endothermal effect was also ambiguous in both measurements.

No further endothermic or exothermic effects were observed up to the final temperature (500 °C). The mass loss after the DSC measurements amounted to 100 %.

Finally, all the measurements showed an ambiguous onset with several steps. This should be caused by the UVCB nature of the test item. Therefore, a boiling range have been considered and is stated as 200 – 315 °C .

Conclusions:
The test item had a boiling range at atmospheric pressure (1013.3 hPa) in the range 200 - 315 °C.
Executive summary:

The boiling point of the test item was measured under GLP according to OECD 103 / EU A2 guideline, using the DSC method. The determination was performed in triplicate.

The boiling temperature of the test item has been determined to be in the range 200 -315 °C at atmospheric pressure (1013.3 hPa).

Description of key information

The boiling temperature of the test item has been determined to be in the range 200 - 315 °C at atmospheric pressure (1013.3 hPa).

Key value for chemical safety assessment

Additional information

A fully reliable experimental study, conducted according to a recognized OECD/EC method and under GLP, is available. It is considered as a key study. As the result is expressed as a range, it cannot be retained as key value.