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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:
2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
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.:
>= 283 - <= 286 °C
Atm. press.:
1 009 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.

Table 1. Results of DSC Measurements

Sample

Sample weight / mg

Onset of Effect / °C

Range of effect / °C

Weight loss / mg

Atmospheric pressure / hPa

1

16.21

-58.63

285.52

-70 to -50 (endo)
220 to 320 (endo)

16.21

1009.0

2

14.88

-58.81
283.32

-70 to -50 (endo)
220 to 310 (endo)

14.75

1009.0
Conclusions:
The boiling temperature range of the substance has been determined to be: 283 - 286 °C at 1013.25 hPa.
Executive summary:

The boiling temperature was determined using EU Method A.2. and the Differential Scanning Calorimetry method. After determination of the melting point the test substance showed a second endothermic signal in the temperature range of 220 - 320 °C that can be associated with the boiling of the test substance. The lowest measured onset temperature is corrected to the standard pressure to be 283.52 °C and the highest onset temperature to be 285.72 °C. As the corrected onset temperatures in both tests deviate by more than 0.5 K from their mean value of 284.62 °C, the test item has a boiling range from 283 °C to 286 °C. No further thermal effects were observed up to the test end temperature of 500 °C. The boiling temperature range of the test substance was determined to be 283 to 286 °C at 1013.25 hPa.

Description of key information

Bp range: 283 - 286 °C at 1013.25 hPa, EU Method A.2 - DSC method, 2016

Key value for chemical safety assessment

Additional information

The boiling temperature was determined using EU Method A.2. and the Differential Scanning Calorimetry method. After determination of the melting point the test substance showed a second endothermic signal in the temperature range of 220 - 320 °C that can be associated with the boiling of the test substance. The lowest measured onset temperature is corrected to the standard pressure to be 283.52 °C and the highest onset temperature to be 285.72 °C. As the corrected onset temperatures in both tests deviate by more than 0.5 K from their mean value of 284.62 °C, the test item has a boiling range from 283 °C to 286 °C. No further thermal effects were observed up to the test end temperature of 500 °C. The boiling temperature range of the test substance was determined to be 283 to 286 °C at 1013.25 hPa.