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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:
13 June 2006 to 05 July 2006
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
differential scanning calorimetry
Key result
Atm. press.:
102 kPa
Decomposition:
yes
Decomp. temp.:
573 K

The resulting thermograms indicated thermal events (rise in baseline) at 299.96 °C (determination 1) and 300.06 °C (determination 2), indicating onset of test material decomposition.

Overall result: decomposition from approximately 300 °C (equivalent to 573K).

Conclusions:
Under the conditions of the study, the test material was observed to decompose from approximately 573 K at 101.86 to 102.05 kPa. As the test material decomposed, no value for boiling temperature could be determined. A calculated value of boiling temperature gave a result of 729 K.
Executive summary:

The boiling temperature of the test material was investigated in a study which was conducted in accordance with the standardised guideline EU Method A.2, under GLP conditions, using differential scanning calorimetry.

Under the conditions of the study, the test material was observed to decompose from approximately 573 K at 101.86 to 102.05 kPa. As the test material decomposed, no value for boiling temperature could be determined. A calculated value of boiling temperature gave a result of 729 K.

Description of key information

Under the conditions of the study, the test material was observed to decompose from approximately 573 K at 101.86 to 102.05 kPa. As the test material decomposed, no value for boiling temperature could be determined. A calculated value of boiling temperature gave a result of 729 K.

Key value for chemical safety assessment

Additional information

The boiling temperature of the test material was investigated in a study which was conducted in accordance with the standardised guideline EU Method A.2, under GLP conditions, using differential scanning calorimetry. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).

Under the conditions of the study, the test material was observed to decompose from approximately 573 K at 101.86 to 102.05 kPa. As the test material decomposed, no value for boiling temperature could be determined. A calculated value of boiling temperature gave a result of 729 K.