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EC number: 945-924-3 | 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:
- 26-Aug-2014 to 27-Aug-2014
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling point/boiling range)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
- GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
- Boiling pt.:
- 246.7 °C
- Atm. press.:
- 1 013 hPa
- Conclusions:
- A boiling point of 246.7 °C (at 1013 hPa) was determined for the test substance according to E.U. Method A.2.
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 06-Mar-2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling point/boiling range)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
- GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
- Key result
- Boiling pt.:
- 243.2 °C
- Atm. press.:
- 1 013 hPa
- Conclusions:
- A boiling point of 243.2°C (at 1013 hPa) was determined for the test substance according to E.U. Method A.2.
Referenceopen allclose all
Results
In the thermograms of the two DSC runs (nos. PN7356 and PN7368) an endothermic (melting) effect was observed in the temperature range of -60 °C to - 45 °C. Between 100 to 265 °C a second endothermic effect (boiling) could be detected.
Results of the DSC measurements
No. |
Sample weight (mg) |
Onset of effect (°C) |
Range of effect (°C) |
Weight loss (mg) |
Atmospheric pressure (hPa) |
PN7356 |
10.43 |
-56.19 245.90 |
-60 to -45 (endo) 100 to 265 (endo) |
10.43 |
993.8 |
PN7368 |
12.85 |
-56.10 246.19 |
-60 to -45 (endo) 130 to 260 (endo) |
11.80 |
1004.2 |
The test item showed a second distinct endothermic signal in the temperature range of 100 to 265 °C that can be associated with the boiling of the test item.
For the correction of the boiling temperature to standard pressure the test item was assigned to chemical group 2 (eg. Hydrocarbons). According to appendix 7.2 a correction value φ = 5.1 was used for the temperature range from 240 °C to 250 °C.
The lowest measured onset temperature is corrected to the standard pressure to be 246.59 °C and the highest onset temperature to be 246.75 °C. As the corrected onset temperatures in both tests deviate by less than 0.5 K from their mean value of 246.67 °C, the test item has a boiling range from 246.7 °C.
No further thermal effects were observed up to the test temperature of 500 °C.
Final Results
The test item [trade name] has a boiling point of 246.7 °C at atmospheric pressure (1013 hPa) as determined by differential scanning calorimetry according to Directive EC440/2008 Method A.2., OECD Test Guideline 103 (1995), EPA OCSPP 830.7220 (1998).
Results
In the thermograms of the two DSC runs (nos. PN8424 and PN8425) an endothermic (melting) effect was observed in the temperature range of -60 °C to -50 °C. Between 100 to 260 °C a second endothermic effect (boiling) could be detected.
Results of the DSC measurements
No. |
Sample weight (mg) |
Onset of effect (°C) |
Range of effect (°C) |
Weight loss (mg) |
Atmospheric pressure (hPa) |
PN8424 |
11.42 |
-55.86 243.75 |
-60 to -50 (endo) 110 to 260 (endo) |
11.42 |
1024.2 |
PN8425 |
10.43 |
-55.95 243.69 |
-60 to -50 (endo) 130 to 260 (endo) |
10.43 |
1024.2 |
The test item showed a second distinct endothermic signal in the temperature range of 100 to 260 °C that can be associated with the boiling of the test item.
For the correction of the boiling temperature to standard pressure the test item was assigned to chemical group 2 (eg. Hydrocarbons). According to appendix 8.2 a correction value φ = 5.05 was used for the temperature range from 240 °C to 250 °C.
The lowest measured onset temperature is corrected to the standard pressure to be 243.21 °C and the highest onset temperature to be 243.27 °C. As the corrected onset temperatures in both tests deviate by less than 0.5 K from their mean value of 243.24 °C, the test item has a boiling point of 243.2 °C.
No further thermal effects were observed up to the test temperature of 500 °C.
Final Results
The test item [trade name] has a boiling point of 243.2 °C at atmospheric pressure (1013 hPa) as determined by differential scanning calorimetry according to Directive EC440/2008 Method A.2., OECD Test Guideline 103 (1995), EPA OCSPP 830.7220 (1998).
Description of key information
Boiling point
Composition A: 246.7 °C at 1013 hPa (EU Method A.2, differential scanning calorimetry)
Composition B: 243.2 °C at 1013 hPa (EU Method A.2, differential scanning calorimetry)
Key value for chemical safety assessment
Additional information
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