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Boiling point

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
05 October 2017 to 13 December 2017
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:
2016
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
Version / remarks:
1996
Deviations:
no
GLP compliance:
yes
Type of method:
differential scanning calorimetry
Key result
Boiling pt.:
> 400 °C
Atm. press.:
1 013.25 hPa
Decomposition:
no

Preliminary Test

- No weight loss was observed during the experiment.

- After the experiment, the sample appeared to have been unchanged, i.e. no signs of decomposition and/or evaporation were observed.

 

Main Study

- No effects were observed which were due to boiling of the test material.

- After the experiment, the sample appeared unchanged, i.e. no decomposition and/or evaporation were observed.

 

Conclusion

- Boiling of the test material was not observed below 400 °C (> 673 K).

Conclusions:
Under the conditions of this study the boiling point of the test material was not below 400 °C.
Executive summary:

The boiling point of the test material was investigated in accordance with the standardised guidelines OECD 103, EU Method A.2 and OPPTS 830.7220, under GLP conditions.

A preliminary test was performed using a thermogravimetric analyser (TGA) as a safety precaution for the DSC (differential scanning calorimeter) main test.

No effects were observed which were due to boiling of the test material in the preliminary or main test. After the experiment, the sample appeared unchanged, i.e. no decomposition and/or evaporation were observed.

The standard boiling temperature is defined as the temperature at which the vapour pressure of a liquid is the same as the standard pressure (i.e. 1013.25 hPa).

Under the conditions of this study the boiling point of the test material was not below 400 °C.

Description of key information

Under the conditions of this study the boiling point of the test material was not below 400 °C.

Key value for chemical safety assessment

Additional information

The boiling point of the test material was investigated in accordance with the standardised guidelines OECD 103, EU Method A.2 and OPPTS 830.7220, under GLP conditions. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).

A preliminary test was performed using a thermogravimetric analyser (TGA) as a safety precaution for the DSC (differential scanning calorimeter) main test.

No effects were observed which were due to boiling of the test material in the preliminary or main test. After the experiment, the sample appeared unchanged, i.e. no decomposition and/or evaporation were observed.

The standard boiling temperature is defined as the temperature at which the vapour pressure of a liquid is the same as the standard pressure (i.e. 1013.25 hPa).

Under the conditions of this study the boiling point of the test material was not below 400 °C.