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EC number: 201-004-7 | CAS number: 77-09-8
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:
- from 2010-03-04 to 2010-04-21
- 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:
- 2008
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
- Key result
- Boiling pt.:
- > 450 °C
- Atm. press.:
- 1 013 hPa
- Decomposition:
- no
- Conclusions:
- No boiling was observed in the temperature range 25 - 450 °C.
- Executive summary:
The boiling point of the test item was determined according to OECD test guideline 103 and Regulation EC No. 440/2008, Method A.2. Differential scanning calorimetry (DSC) measurements were performed. The test item was heated up from ambient to 450 °C. No boiling was observed up to this temperature.
Reference
Two DSC-runs in aluminium crucible with a hole showed an endothermic effect (melting) in the temperature range 260 - 280 °C with an onset temperature of 263 - 264 °C. The onset temperature is derived from the intersection of the tangent line with the highest slope of the endothermic peak with baseline. No other effect was observed up to 450 °C.
Ident-No. |
Onset / °C |
Temperature range / °C |
Crucible |
30412 |
263.31 |
260 - 280 |
Aluminium crucible with a hole |
30411 |
264.08 |
260 - 280 |
Aluminium crucible with a hole |
The endothermic effect in the temperature range 260 - 280 °C was assigned to the melting point. As no other effect was observed the test item has no boiling point up to 450 °C.
Description of key information
No boiling was observed in the temperature range 25 - 450 °C (reference 4.3-1).
Key value for chemical safety assessment
Additional information
The boiling point of the test item was determined according to OECD test guideline 103 and Regulation EC No. 440/2008, Method A.2. Differential scanning calorimetry (DSC) measurements were performed. The test item was heated up from ambient to 450 °C. No boiling was observed up to this temperature.
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