Registration Dossier
Registration Dossier
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EC number: 849-975-1 | CAS number: -
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:
- 14 March 2006 to 15 March 2006
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Version / remarks:
- 1992
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Key result
- Decomposition:
- yes
- Decomp. temp.:
- ca. 250 °C
- Remarks on result:
- not determinable
- Conclusions:
- Under the conditions of the study the test material did not boil.
- Executive summary:
The boiling temperature of the test material was assessed according to OECD Test Guideline 103 and EU Method A.2 and in compliance with GLP using a Differential Scanning Calorimeter.
The DSC curve of the preliminary test (heating rate of 20 °C/min from 25 °C to 400 °C) showed there were no endothermic heat effects observed from which boiling could be deduced. An exothermic reaction could be observed starting at about 250 °C caused by the decomposition of the test material. After the experiment, the sample was still a powder but changed its colour to black and lost about 27 % of its mass.
To confirm the results of the preliminary test, a further DSC run was performed. A test material amount of 3.59 g was heated up from 25 °C to 400 °C at a rate of 10 °C/min. No endothermic reaction could be observed from which boiling could be deduced. An exothermic reaction could be observed starting at about 250 °C caused by the decomposition of the test material. After the experiment the sample had lost about 31 % of its mass and the sample was a black powder.
Under the conditions of the study the test material did not boil.
Reference
Preliminary Test
The DSC curve of the preliminary test (heating rate of 20 °C/min from 25 °C to 400 °C) showed there were no endothermic heat effects observed from which boiling could be deduced. An exothermic reaction could be observed starting at about 250 °C caused by the decomposition of the test material. After the experiment, the sample was still a powder but changed its colour to black and lost about 27 % of its mass.
Main Test
To confirm the results of the preliminary test, a further DSC run was performed. A test material amount of 3.59 g was heated up from 25 °C to 400 °C at a rate of 10 °C/min. No endothermic reaction could be observed from which boiling could be deduced. An exothermic reaction could be observed starting at about 250 °C caused by the decomposition of the test material. After the experiment the sample had lost about 31 % of its mass and the sample was a black powder.
Description of key information
Under the conditions of the study the test material did not boil.
Key value for chemical safety assessment
Additional information
The boiling temperature of the test material was assessed according to OECD Test Guideline 103 and EU Method A.2 and in compliance with GLP using a Differential Scanning Calorimeter. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).
The DSC curve of the preliminary test (heating rate of 20 °C/min from 25 °C to 400 °C) showed there were no endothermic heat effects observed from which boiling could be deduced. An exothermic reaction could be observed starting at about 250 °C caused by the decomposition of the test material. After the experiment, the sample was still a powder but changed its colour to black and lost about 27 % of its mass.
To confirm the results of the preliminary test, a further DSC run was performed. A test material amount of 3.59 g was heated up from 25 °C to 400 °C at a rate of 10 °C/min. No endothermic reaction could be observed from which boiling could be deduced. An exothermic reaction could be observed starting at about 250 °C caused by the decomposition of the test material. After the experiment the sample had lost about 31 % of its mass and the sample was a black powder.
Under the conditions of the study the test material did not boil.
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