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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:
2019-08-08 to 2019-10-08
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Deviations:
no
GLP compliance:
no
Type of method:
differential scanning calorimetry
Key result
Boiling pt.:
>= 219 - <= 222 °C
Atm. press.:
1 013 hPa
Decomposition:
no

Two DSC measurements in aluminium crucibles with a hole showed an endothermal effect in the temperature range of 180 - 250 °C. The onset temperature was derived from the intersection of the tangent line with the highest slope of the endothermal peak with the baseline. No further endothermal or exothermal effects were observed up to the final temperature. The mass loss after the DSC measurements amounted to 100 %.


Table 1: Boiling point (DSC measurement)




































Ident No.



Test


item /


mg



Starting


temperature / °C



Final test


temperature / °C



Temperature


range (endo-


thermal) / °C



Onset


(boiling) /


°C



Crucible



Observations


after the


measurement



38850



17.03



25



500



180 - 250



221.51



Aluminium


with a hole



---



38851



6.78



25



300



180 - 250



219.51



Aluminium


with a hole



---



The test item had a boiling range of 219 - 222 °C at atmospheric conditions.

Conclusions:
The test item had a boiling range of 219 - 222 °C at atmospheric conditions.
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 and the reference were weighed into an aluminium crucible under an inert atmosphere (nitrogen). The crucibles were heated from room temperature to 500 °C or 300 °C at a constant heating rate. Two DSC measurements in aluminium crucibles with a hole showed an endothermal effect in the temperature range of 180 - 250 °C. No further endothermal or exothermal effects were observed up to the final temperature. The mass loss after the DSC measurements amounted to 100 %. Thus, the test item had a boiling range of 219 - 222 °C at atmospheric conditions.

Description of key information

The test item had a boiling range of 219 - 222 °C at atmospheric conditions (reference 4.3-1).

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 and the reference were weighed into an aluminium crucible under an inert atmosphere (nitrogen). The crucibles were heated from room temperature to 500 °C or 300 °C at a constant heating rate. Two DSC measurements in aluminium crucibles with a hole showed an endothermal effect in the temperature range of 180 - 250 °C. No further endothermal or exothermal effects were observed up to the final temperature. The mass loss after the DSC measurements amounted to 100 %. Thus, the test item had a boiling range of 219 - 222 °C at atmospheric conditions.