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EC number: 251-995-5 | CAS number: 34396-03-7
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:
- 06 Jul 2015
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling point/boiling range)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- GLP compliance:
- no
- Type of method:
- photocell detection
- Remarks:
- capillary tube method
- Boiling pt.:
- 210.8 °C
- Atm. press.:
- 1 013 hPa
- Conclusions:
- A boiling point value of 210.8°C at 1013 hPa was determined in a reliable study conducted according to an appropriate test protocol. It was not conducted according to GLP.
- Endpoint:
- boiling point
- Type of information:
- (Q)SAR
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
- Justification for type of information:
- QSAR prediction
- Principles of method if other than guideline:
- The result was obtained using an appropriate QSAR method (see attached QMRF and QPRF for details).
- GLP compliance:
- no
- Boiling pt.:
- 195 °C
- Atm. press.:
- 1 013 hPa
- Boiling pt.:
- 468 K
- Atm. press.:
- 1 013 hPa
- Conclusions:
- A boiling point value of 195°C at 1013 hPa was obtained using an accepted calculation method. The result is considered to be reliable.
Referenceopen allclose all
Results
Capillary Tube / Photocell Detection Method
Test |
Measured boiling point |
Measured atmospheric pressure |
Boiling temperature corrected to normal atmospheric pressure |
||
|
°C |
K |
hPa |
°C |
K |
1 |
208.9 |
482.1 |
969 |
210.8 |
484.0 |
2 |
208.8 |
428.1 |
969 |
210.7 |
483.9 |
|
|
|
|
|
|
Mean value |
208.9 |
482.1 |
|
210.8 |
484.0 |
DSC / TG
The DSC diagram showed an endothermic peak which represents the boiling process. The simultaneous TG showed a significant loss of weight in the range of this peak. The uncorrected boiling temperature (peak onset: 213.4 °C at 965 hPa) of this measurement is in a similar range of the values of the capillary tube / photocell method.
Description of key information
210.8 °C at 1013 hPa (OECD 103, photocel detection, capillary method)
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 210.8 °C
Additional information
The key study is supported by a predicted boiling point of 195°C determined using a validated QSAR method.
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