Registration Dossier
Registration Dossier
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EC number: 288-678-6 | CAS number: 85865-79-8
Boiling point
Administrative data
Link to relevant study record(s)
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- November 13, 2017
- 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.:
- > 335 °C
- Executive summary:
The test item had no melting point and no boiling point at atmospheric conditions. Decomposition started at approx. 335 °C.
Reference
Melting point / melting range // boiling point / boiling range: Differential scanning calorimetry
A DSC measurement in an aluminium crucible with a hole showed an endothermal effect in the temperature range of 100 – 320 °C and a multistage exothermal effect in the temperature range of 335 – 475 °C. After the measurement the test item was a black solid. The mass loss after the DSC measurement amounted to 45 %. A second DSC measurement in an aluminium crucible with a hole was terminated at 320 °C. Again an endothermal effect in the temperature range of 120 – 310 °C was observed. After the measurement the test item was unchanged. No melting occurred. The mass loss after the DSC measurement amounted to 8 %. The result of the DSC measurement is summarized in Table1.
Table1: DSC measurements
Ident No. |
Test item / mg |
Starting temperature / °C |
Final test temperature / °C |
Temperature range / °C |
Crucible |
Observations after the measurement |
36679 |
10.49 |
25 |
500 |
100 – 320 335 – 475 |
Aluminium with a hole |
Test item was a black solid after the measurement; not melted; mass loss: 45 % |
36682 |
10.36 |
25 |
320 |
120 – 310
|
Aluminium with a hole |
Test item unchanged after the measurement; not melted; mass loss: 8 % |
Under consideration of the result from the DSC measurement it was concluded that the test item had no melting point and no boiling point at atmospheric conditions. Decomposition started at approx. 335 °C.
Description of key information
The test item had no melting point and no boiling point at atmospheric conditions. Decomposition started at approx. 335 °C.
Key value for chemical safety assessment
Additional information
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