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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:
From May 10, 2016 to June 01, 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point)
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
GLP compliance:
not specified
Type of method:
differential scanning calorimetry
Specific details on test material used for the study:
Batch no.: 3837
Appearance: white powder
Key result
Boiling pt.:
ca. 346 °C
Atm. press.:
1 005 mBar

A boiling and/or thermal decomposition of the test substance was observed earliest at ca. 346°C (at 1005 mbar) according to the definition in the OECD guideline 103.

347°C (from first measurement)

346°C (from second measurement)

346°C (from third measurement)

From 346°C the test substance showed a boiling and/or thermal decomposition with evaporation of the decomposition components. The DSC measurements were confirmed by means of thermo gravimetric analyses (TGA) measurements under the same measuring conditions.

Conclusions:
Under the study conditions, the boiling point and/or initiation of thermal decomposition of the substance was determined to be at 346°C.
Executive summary:

A study was conducted to determine the boiling point of the substance according to OECD Guideline 103. To determine the boiling behaviour (three independent single measurements), the test substance was measured by DSC between 5°C and 500°C with a heating rate of 10K/min. For the measurement, a partially capsulated crucible - typical for boiling point measurements - was used. Under the study conditions, the boiling point and/or initiation of thermal decomposition of the substance was determined to be at 346°C (Kintrup, 2016).

Description of key information

The boiling point was determined according to OECD Guideline 103 (Kintrup, 2016).

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
346 °C

Additional information

The boiling point and/or initiation of thermal decomposition of the substance was determined to be at 346°C.

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