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EC number: 944-449-9 | 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:
- 01 to 03 June 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Qualifier:
- according to guideline
- Guideline:
- other: EPA OCSPP Test Guideline 830.7220 (1996) Boiling Point / Boiling Range
- GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
- Key result
- Boiling pt.:
- 255.1 °C
- Atm. press.:
- 1 013.25 hPa
- Conclusions:
- A boiling point of 255.1 °C (at 1013 hPa) was determined for the test substance according to EU Method A.2
Reference
Results
In the temperature range of 80 – 290 °C, an endothermic effect (boiling) was observed. No further thermal effects were observed up to the test end temperature of 500 °C.
Results of the DSC-measurements
No. |
Sample weight / mg |
Onset of Effect / °C |
Range of effect / °C |
Weight loss / mg |
Atmospheric pressure / hPa |
PN11183 |
25.59 |
254.90 |
80 – 290 (endo) |
25.51 |
1000.6 |
PN11186 |
21.04 |
254.01 |
100 – 290 (endo) |
21.03 |
997.7 |
During the heating phase the test item showed an endothermic signal in the temperature range of approx. 80 – 290 °C that can be assigned to the boiling of the test item.
For the correction of the boiling temperature to standard pressure the test item was assigned to chemical group 3 (e.g. Esters). A correction value φ = 5.35 was used for the temperature of 250 – 260 °C.
The lowest measured onset temperature is corrected to the standard pressure to be 254.68 °C and the highest onset temperature to be 255.44 °C. As the corrected onset temperatures in both tests deviate less than 0.5 K from their mean value of 255.06 °C, the test item has a boiling point of 255.1 °C.
Final Results
The test item has a boiling point of 255.1 °C corrected to normal atmospheric pressure (1013 hPa) as determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.2. and OECD Test Guideline 103 (1995).
Description of key information
Boiling point: 255.1 °C at 1013 hPa (EU Method A.2, differential scanning calorimetry)
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 255.1 °C
Additional information
The boiling point has been corrected to normal pressure (1013.25 hPa) using the H.N. Hass and R.F. Newton equation.
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