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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:
19-08-2014 to 19-11-2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study performed under GLP. All relevant validity criteria were met.
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling point/boiling range)
Deviations:
no
Qualifier:
equivalent or similar to guideline
Guideline:
EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
inspected: January 2013; signature: March 2013
Type of method:
differential scanning calorimetry
Boiling pt.:
>= 286 - <= 291 °C
Atm. press.:
> 1 004.2 - <= 1 006.7 hPa
Decomposition:
no
Remarks on result:
other: Decomposition was not reported. Determination was corrected to normal pressure (1013.25 hPa) for each duplicate measurement. BP range quoted as the corrected onset temperatures in duplicate deviated by more than 0.5 K from their mean value (n=2).

Table 1.0 : Results of DSC Measurements

Sample

Sample

weight / mg

Onset

of Effect

/ °C

Range of effect / °C

Remark

Atmospheric pressure

/ hPa

1

27.46

-75.19
286.02

-80 to -60 (endo)
220 to 320 (endo)

#1

1006.7

2

22.13

-75.53
290.16

-80 to -55 (endo)
240 to 350 (endo)

#1

1004.2

#1: During cooling to -100°C no thermal effects detected.

Conclusions:
The boiling temperature range of the test item has been determined to be: 286 - 291 °C at 1013.25 hPa.
Executive summary:

The boiling temperature was determined using EU Method A.2. and OECD TG 103 Differential Scanning Calorimetry method under GLP. After determination of the melting point the test item showed a second endothermic signal in the temperature range of 230 - 350 °C that can be associated with the boiling of the test item. The lowest measured onset temperature is corrected to the standard pressure to be 286.31 °C and the highest onset temperature to be 290.56 °C. As the corrected onset temperatures in both tests deviate by more than 0.5 K from their mean value of 288.44 °C, the test item has a boiling range from 286 °C to 291 °C. No further thermal effects were observed up to the test end temperature of 500 °C. The boiling temperature range of the test item was determined to be 286 to 291 °C at 1013.25 hPa.

Description of key information

Bp range: 559.15 - 564.15 K (286 - 291 °C) at 1013.25 hPa, EU Method A.2 - DSC method, 2014

Key value for chemical safety assessment

Additional information

The boiling temperature was determined using EU Method A.2. and OECD TG 103 Differential Scanning Calorimetry method under GLP. After determination of the melting point the test item showed a second endothermic signal in the temperature range of 230 - 350 °C that can be associated with the boiling of the test item. The lowest measured onset temperature is corrected to the standard pressure to be 286.31 °C and the highest onset temperature to be 290.56 °C. As the corrected onset temperatures in both tests deviate by more than 0.5 K from their mean value of 288.44 °C, the test item has a boiling range from 286 °C to 291 °C. No further thermal effects were observed up to the test end temperature of 500 °C. The boiling temperature range of the test item was determined to be 286 to 291 °C at 1013.25 hPa.