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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:
April 08, 2019 to April 08, 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.:
310 °C
Remarks on result:
other:
Remarks:
The test item had no boiling point under atmospheric conditions. Decomposition started at approx. 310 °C.

One DSC measurement in an aluminium crucible with a hole showed an exothermal effect after the melting starting at approx. 310 °C. No further endothermal or exothermal effects were observed up to the final temperature of 500 °C. After the DSC measurement the test item was a black residue and the mass loss amounted to 32 %.

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 (endo-thermal) /

°C

Onset  (boiling) /

°C

Crucible

Observations after the measurement

38625

9.29

25

500

--

--

Aluminium with a hole

Test item discoloured to black, mass loss: 32 %

The test item had no boiling point under atmospheric conditions. Decomposition started at approx. 310 °C.


Executive summary:

Final results

Boiling point / boiling range

The test item had no boiling point under atmospheric conditions. Decomposition started at approx. 310 °C.

Description of key information

Final results

Boiling point / boiling range

The test item had no boiling point under atmospheric conditions. Decomposition started at approx. 310 °C.

Key value for chemical safety assessment

Additional information