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Diss Factsheets

Physical & Chemical properties

Boiling point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2018-11-19 to 2018-11-22
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:
no
Type of method:
differential scanning calorimetry
Key result
Decomposition:
yes
Decomp. temp.:
>= 330 °C

The DSC measurement up to the final temperature of 500 °C showed no further endothermal or exothermal effects after the melting. The mass loss after the DSC measurements amounted to 67 %.

The test item had no boiling point under atmospheric conditions. The test item decomposed and decomposition of the test item started at approx. 330 °C.

Conclusions:
The test item decompose at approx. 330 °C.
Executive summary:

A study was conducted according to OECD test guideline 103 and Regulation (EC) No 440/2008 method A.2 to determine the boiling point of the test item using differential scanning calorimetry. The test item and the reference were heated up from the starting temperature to the final temperature at a constant heating rate in a defined atmosphere (nitrogen). Open crucibles were used as containers for the test item and as empty reference crucible. The quantity of heat absorbed or released was measured and recorded. The DSC measurement up to the final temperature of 500°C showed no further endothermal or exothermal effects after the melting. The mass loss after the DSC measurements amounted to 67 %. The test item had no boiling point under atmospheric conditions. The test item decomposed and decomposition of the test item started at approx. 330°C.

Description of key information

The test item decomposed and decomposition of the test item started at approx. 330 °C (reference 4.3-1).

Key value for chemical safety assessment

Additional information

A study was conducted according to OECD test guideline 103 and Regulation (EC) No 440/2008 method A.2 to determine the boiling point of the test item using differential scanning calorimetry. The test item and the reference were heated up from the starting temperature to the final temperature at a constant heating rate in a defined atmosphere (nitrogen). Open crucibles were used as containers for the test item and as empty reference crucible. The quantity of heat absorbed or released was measured and recorded. The DSC measurement up to the final temperature of 500 °C showed no further endothermal or exothermal effects after the melting. The mass loss after the DSC measurements amounted to 67 %. The test item had no boiling point under atmospheric conditions. The test item decomposed and decomposition of the test item started at approx. 330 °C.