Registration Dossier
Registration Dossier
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EC number: 615-790-8 | CAS number: 72714-62-6
Boiling point
Administrative data
Link to relevant study record(s)
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Conducted according to OECD guideline 103
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling point/boiling range)
- Deviations:
- no
- Principles of method if other than guideline:
- The above-mentioned guidelines contain several different methods for the determination of the boiling point / boiling range. These methods include thermal analysis using a calorimeter and visual tests (e.g. capillary test). During the present study the thermal analysis was used.
A phase transformation, e.g. melting or evaporation, or a reaction, e.g. dissociation, usually is associated with a heat effect. In the calorimeter, two identical aluminium sample containers, one filled with the test item and the other empty (used as a reference), are heated at a constant rate. During the experiment, the heat effect, i.e. the difference in heat flow, between the sample container and the reference container is registered. - GLP compliance:
- no
- Type of method:
- differential thermal analysis
- Key result
- Boiling pt.:
- 257.4 °C
- Atm. press.:
- ca. 760 mm Hg
- Remarks on result:
- other: Mean of two measurements (259.4 and 255.3°C)
- Boiling pt.:
- 530.6 K
- Atm. press.:
- ca. 760 mm Hg
- Conclusions:
- The boiling point of the test substance was determined to be 257.4 °C, which is equal to 530.6 K. The estimated accuracy is ± 0.5 K. The atmospheric pressure during the boiling point measurements was 99.9 kPa.
- Executive summary:
The boiling point of the test sample was determined under GLP according to OECD guideline for testing chemicals No.103, boiling point, adopted July 27th 1995. The reported boiling point is the mean of two measuerements and was found to be 257.4°C. This value is considered acceptable for classification and risk assessment purposes.
Reference
Description of key information
Boiling point = 257.4 °C (GLP, Kühne 2010)
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 257.4 °C
Additional information
The boiling point of the test substance was determined to be 257.4 °C, which is equal to 530.6 K. The estimated accuracy is ± 0.5 K. The atmospheric pressure during the boiling point measurements was 99.9 kPa.
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