Registration Dossier
Registration Dossier
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EC number: 227-774-4 | CAS number: 5977-14-0
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:
- 2012-05-08
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- SOP AA 1020-2007 + AA 1020-1128
- GLP compliance:
- no
- Other quality assurance:
- other: AA 1020-2007 + AA 1020-1128
- Type of method:
- differential scanning calorimetry
- Key result
- Boiling pt.:
- 151 °C
- Atm. press.:
- ca. 1 atm
- Decomposition:
- yes
- Decomp. temp.:
- > 130 °C
- Remarks on result:
- other:
- Remarks:
- The slightly lower onset in the decomposition test (130 °C) is probably due to the lower heating rate used (3 K/min).
- Conclusions:
- Boiling point: start of boiling 151 ±6 °C (decomposes on boiling)
- Executive summary:
The boiling point study was performed according to SOP AA 1020-2007 + AA 1020 in year 2012. The DSC method was used.
Boiling point: start of boiling 151 ±6 °C (decomposes on boiling).
Reference
The DSC trace shows a well-defined melting peak (onset approx. 55 °C) and an endothermic boiling peak in
the 150 – 195 °C region. The peak is broader than for a typical boiling peak. The second measurement used a larger hole in case there
was a problem with residues blocking the hole, and a nitrogen purge to prevent oxidation. The result was consistent with the first measurement,
indicating that these effects are not significant.
After the end of the second measurement the pan was opened. It contained brown residue, indicating that decomposition had occurred during boiling.
This is consistent with the results of the decomposition test. The slightly lower onset in the decomposition test (130 °C) is probably due to the lower
heating rate used (3 K/min).
Description of key information
The boiling point study was performed according to SOP AA 1020-2007 + AA 1020 in year 2012. The DSC method was used.
Boiling point: start of boiling 151 ±6 °C (decomposes on boiling).
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 151 °C
Additional information
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