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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:
June 05, 2019 to June 17, 2019
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point)
Deviations:
no
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
Decomposition:
yes
Decomp. temp.:
> 320 °C
Remarks on result:
other:
Remarks:
The test item had no boiling point under atmospheric conditions. Decomposition started at approx. 320 °C.

Boiling point / boiling range: DSC measurement

A DSC measurement in an aluminium crucible with a hole showed an exothermal effect after the melting starting at approx. 320 °C. No further endothermal or exothermal effects were observed up to the final temperature (500 °C). The mass loss after the DSC measurement amounted to 24 %.

The results of the DSC measurement are summarized in Table 2.

Table 2: Boiling point (DSC measurement)

 Ident No.  Test item / mg Starting temperature / °C   Final test temperature / °C  Temperature range (endothermal) / °C  Onset   (boiling) / °C  Crucible  Observations after the measurement
 38709  10.42  25  500    --      --    Aluminium with a hole  Test item discoloured black, mass loss: 24 %

                                  

The test item had no boiling point under atmospheric conditions. Decomposition started at approx. 320 °C .

Executive summary:

The test item had no boiling point under atmospheric conditions. Decomposition started at approx. 320 °C .

Description of key information

The test item had no boiling point under atmospheric conditions. Decomposition started at approx. 320 °C.

Key value for chemical safety assessment

Additional information