Registration Dossier

Physical & Chemical properties

Boiling point

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
from 2020-02-03 to 2020-02-24
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
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:
440/2008/EC, 30 May 2008
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
differential scanning calorimetry
Key result
Boiling pt.:
230.2 °C
Atm. press.:
1 013 hPa
Decomposition:
no

During the cooling phase down to -90 °C no thermal effects could be observed. In the subsequent heatingphase a distinct endothermic effect was observed in the temperature range of -80 to -70 °C, which can be assigned to the melting of the test item. As the onset temperatures in both tests deviate by more than 0.5 K from their mean value of 76.34 °C, the test item has a melting range of -75 to -77 °C. During the heating phase a distinct endothermic effect was observed in the temperature range of 180 – 250 °C, which can be assigned to the boiling of the test item. For the correction of the boiling temperature to standard pressure the test item was assigned to chemical group 3 (e.g. amines). According to appendix 8.1 a correction value φ = 5.25 was used for the temperature of 230 °C. The lowest measured onset temperature is corrected to the standard pressure to be 230.13 °C and the highest onset temperature to be 230.26 °C. As the corrected onset temperatures in both tests deviate by less than 0.5 K from their mean value of 230.20 °C, the test item has a boiling point of 230.2 °C.

 

No.

Sample weight / mg

Onset of Effect / °C

Range of effect / °C

Weight loss / mg

Atmospheric pressure / hPa

PN19172

9.56

-75.27
+229.64

-80 to -70 (endo)
180 – 250 (endo)

9.56

1001.3

PN19177

10.89

-77.41
+229.23

-80 to -70 (endo)
180 – 250 (endo)

10.89

988.3

Conclusions:
The boiling point of the test item was determined to be 230.2 °C at an ambient pressure of 1013 hPa.
Executive summary:

The boiling point of the test item was determined according to OECD test guideline 103 and Regulation EC No. 440/2008, Method A.2. Under ambient conditions, the test item is liquid. The tests were started at ambient temperature. The temperature was first decreased to -90 °C at a constant cooling rate of 0.25 K/min. After 30 min at -90 °C the temperature was increased up to 500 °C at a constant heating rate of 10 K/min. During the cooling phase down to -90 °C no thermal effects could be observed. In the subsequent heating phase a distinct endothermic effect was observed in the temperature range of -80 to -70 °C, which can be assigned to the melting of the test item. The endothermic effect in the temperature range of 180 – 250 °C was ascribed to the boiling point. The boiling point determined by DSC is 230.2 °C at an ambient pressure of 1013 hPa.

Description of key information

The boiling point of the test item was determined to be 230.2 °C at an ambient pressure of 1013 hPa.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
230.2 °C

Additional information

The boiling point of the test item was determined according to OECD test guideline 103 and Regulation EC No. 440/2008, Method A.2. Under ambient conditions, the test item is liquid. The tests were started at ambient temperature. The temperature was first decreased to -90 °C at a constant cooling rate of 0.25 K/min. After 30 min at -90 °C the temperature was increased up to 500 °C at a constant heating rate of 10 K/min. During the cooling phase down to -90 °C no thermal effects could be observed. In the subsequent heating phase a distinct endothermic effect was observed in the temperature range of -80 to -70 °C, which can be assigned to the melting of the test item. The endothermic effect in the temperature range of 180 – 250 °C was ascribed to the boiling point. The boiling point determined by DSC is 230.2 °C at an ambient pressure of 1013 hPa.