Registration Dossier
Registration Dossier
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EC number: 233-937-0 | CAS number: 10450-60-9
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:
- 16 March 2018 to 11 December 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Version / remarks:
- 2016
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
- Version / remarks:
- 1996
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- differential scanning calorimetry
- Decomposition:
- yes
- Decomp. temp.:
- 100 - 200 °C
- Conclusions:
- Under the conditions of the test, reaction and/or decomposition of the test material was observed during and after melting. Boiling of the test material was not observed below the temperature at which reaction and/or decomposition started. Based on this, the test material has no boiling temperature.
- Executive summary:
The boiling temperature of the test material was assessed according to EC Guideline A.2., OECD Guideline 103 and EPA Guideline OPPTS 830.7220 in accordance with the principles of GLP using differential scanning calorimetry.
Under the conditions of the test, reaction and/or decomposition of the test material was observed during and after melting. Boiling of the test material was not observed below the temperature at which reaction and/or decomposition started. Based on this, the test material has no boiling temperature.
Reference
Preliminary Test
Starting at 150 °C, the weight of the sample decreased significantly. At 216 °C, the sample weight had decreased by 25 %.
After the experiment, pink/red residue was observed on the lid of the sample container and a pink/red molten residue remained in the sample container (original colour: white). The change of the colour indicated reaction and/or decomposition of the test material.
Main Study
An endothermic peak was observed directly followed by an exothermic effect between 100 °C and 200 °C. The extrapolated onset temperature of the endothermic peak was 127.623 °C. Based on the shape of the endothermic effect and the weight loss observed during the preliminary test, the endothermic effect was most probably due to a combination of melting and reaction and/or decomposition of the test material. The exothermic effect was probably obtained due to reaction and/or decomposition of the test material. After the experiment, white residue was observed on the lid of the sample container and a white molten residue remained in the sample container.
Reaction and/or decomposition of the test material was observed during DSC experiments during and after melting. Boiling of the test material was not observed below the temperature at which reaction and/or decomposition started. Based on this, the test material has no boiling temperature.
Description of key information
Under the conditions of the test, reaction and/or decomposition of the test material was observed during and after melting. Boiling of the test material was not observed below the temperature at which reaction and/or decomposition started. Based on this, the test material has no boiling temperature.
Key value for chemical safety assessment
Additional information
The boiling temperature of the test material was assessed according to EC Guideline A.2., OECD Guideline 103 and EPA Guideline OPPTS 830.7220 in accordance with the principles of GLP using differential scanning calorimetry. The study was assigned a reliability score of 1 in accordance with the principles for assessing data quality as outlined by Klimisch et al. (1997).
Under the conditions of the test, reaction and/or decomposition of the test material was observed during and after melting. Boiling of the test material was not observed below the temperature at which reaction and/or decomposition started. Based on this, the test material has no boiling temperature.
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