Registration Dossier
Registration Dossier
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EC number: 477-470-2 | 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:
- from 2007-11-05 to 2007-11-29
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Version / remarks:
- 1992
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Version / remarks:
- 1995
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- method according to Siwoloboff
- Key result
- Decomposition:
- yes
- Decomp. temp.:
- ca. 200 °C
- Conclusions:
- No exact boiling point could be determined as the change of colour of the test item at 200 °C indicates decomposition.
- Executive summary:
The boiling point of the test item was determined in an experimental study according to EC-Guideline 92/69/EWG A.2 and OECD TG 103 using visual inspection. No exact boiling point could be determined. At a temperature of about 200 °C the colour of the test item changed.
Reference
Using the Büchi B-545 unit the sample is filled into a small sample tube with an immersed boiling capillary. The sample is heated up with a constant heating range (initial temperature: 100 °C, heating rate: 3 °C). The boiling point is received, when continuous stream of gas is generated in the boiling capillary.
begin of boiling: ca. 200 °C; ca. 196 °C
boiling point: ca. 305 °C; ca. 310 °C
No exact boiling point could be determined. At a temperature of about 200 °C the colour of the test item changed.
Description of key information
No exact boiling point could be determined as the change of colour of the test item at 200 °C indicates decomposition.
Key value for chemical safety assessment
- Temperature of decomposition (state purity):
- 200 °C
Additional information
The boiling point of the test item was determined in an experimental study according to EC-Guideline 92/69/EWG A.2 and OECD TG 103 using visual inspection. No exact boiling point could be determined. At a temperature of about 200 °C the colour of the test item changed.
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