Registration Dossier
Registration Dossier
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EC number: 233-588-4 | CAS number: 10250-45-0
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:
- 25 September 2018 to 26 October 2018
- 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:
- 2016
- 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
- Key result
- Boiling pt.:
- 192.7 °C
- Atm. press.:
- 1 022 hPa
- Decomposition:
- no
- Conclusions:
- Under the conditions of this study, the boiling temperature of the test material was 192.7 °C (465.9 K) by DSC analysis. The atmospheric pressure was 1022 ± 1 hPa.
- Executive summary:
The boiling temperature of the test material was investigated in accordance with the standardised guidelines OECD 103, EU Method A.2. and EPA 830.7220, under GLP conditions.
Differential scanning calorimetry (DSC) was used to determine the boiling temperature of the test material. Under the conditions of the study, the boiling temperature of the test material was 192.7 °C (465.9 K) by DSC analysis. The atmospheric pressure was 1022 ± 1 hPa.
Reference
Preliminary Test
- Starting at 125 °C, the weight of the sample decreased significantly. At 169 °C, the sample weight had decreased by 25 %.
- After the experiment it was observed that the test material was evaporated from the sample container.
Main Study
- During cooling no effects were observed. During heating an endothermic effect was observed between 125 and 225 °C. The extrapolated onset temperature of the effect was 192.511 °C. The endothermic effect was most likely obtained due to boiling of the test material. After the experiment it was observed that the test material had evaporated from the sample container.
- In order to investigate the endothermic effect, a higher heating rate of 50 °C/minute was used in the Experiment 2. The extrapolated onset temperature was 193.948 °C. The endothermic effect had not significantly shifted to higher temperatures. It demonstrated that boiling of the test material caused the endothermic effect. After the experiment it was observed that the test material had evaporated from the sample container. Since a higher heating rate was used, the extrapolated onset temperature of this experiment was not used in the calculation of the boiling point.
- Experiment 3 was performed as a duplicate of Experiment 1. Similar results as in Experiment 1 were obtained. The extrapolated onset of the boiling effect was 192.899 °C. After the experiment it was observed that the test material had evaporated from the sample container.
- The boiling temperature was determined as the mean boiling temperature of Experiment 1 (192.511 °C) and Experiment 3 (192.899 °C).
Description of key information
Under the conditions of this study, the boiling temperature of the test material was 192.7 °C (465.9 K) by DSC analysis. The atmospheric pressure was 1022 ± 1 hPa.
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 192.7 °C
Additional information
The boiling temperature of the test material was investigated in accordance with the standardised guidelines OECD 103, EU Method A.2. and EPA 830.7220, under GLP conditions. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).
The boiling temperature of the test material was investigated in accordance with the standardised guidelines OECD 103, EU Method A.2. and EPA 830.7220, under GLP conditions.
Differential scanning calorimetry (DSC) was used to determine the boiling temperature of the test material. Under the conditions of the study, the boiling temperature of the test material was 192.7 °C (465.9 K) by DSC analysis. The atmospheric pressure was 1022 ± 1 hPa.
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