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Boiling point

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boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
22 July 2010
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
no guideline followed
Principles of method if other than guideline:
The substance was heated over a hot plate in a flask with a condenser attached to collect any distillate from the substance, with a thermometer measuring the temperature of the test substance and another thermometer to monitor the condensate temperature. The sample was heated through 150 to 270 °C, with the temperature of the condensate monitored throughout.
GLP compliance:
Type of method:
distillation method
Key result
Atm. press.:
ca. 101 325 Pa
Decomp. temp.:
ca. 190 °C
Remarks on result:
other: The test substanc decomposed prior to boiling

At approximately 190 °C, the sample was seen to 'smoke' with no evidence of distillation, and no temperature rise at the condenser. The sample was darker in colour. Heat was continually applied until the sample reached 270 °C. The sample was not observed to boil, and there was no evidence of distillation. GC analysis of the sample after heating showed evidence of degradation.

The test substance decomposed without boiling from 190 °C
Executive summary:

The test substance decomposed without boiling from 190 °C

Description of key information

The test substance decomposed without boiling from 190 °C

Key value for chemical safety assessment

Additional information