Registration Dossier
Registration Dossier
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EC number: 272-599-9 | CAS number: 68892-13-7
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:
- From 01 October 2015 to 11 July 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Version / remarks:
- July 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Version / remarks:
- May 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
- Version / remarks:
- August 1996
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Key result
- Decomposition:
- yes
- Decomp. temp.:
- > 250 °C
- Conclusions:
- No boiling point of the test item occurred before its start to decompose at temperatures higher than 250°C.
- Executive summary:
The boiling point of the test item has been determined using the method according to recognised guidelines and under GLP.
No deviation from these guidelines has been observed during the study.
No boiling point of the test item occurred before its start to decompose at temperatures higher than 250°C.
Reference
Preliminary test result:
At 340°C, the sample weight had decreased by 25%
After the experiment, a light brown residue remained in the sample container. The change of the colour indicated reaction and/or decomposition of the test item.
Main test result:
In the first experiment, after peaks due to impurities and melting of the test item, another endothermic effect started at 250°C. Based on visual observations, this effect was due to reaction and/or decomposition of the test item. Indeed, after the experiment, a dark yellow residue remained in the sample container.
After the second experiment, the same residue has been observed.
It was concluded that a decomposition of the test item occurred at temperatures higher than 250°C. Therefore non boiling point can be determined for this test item.
Description of key information
Based on the results obtained in an experimental key study (Klimisch validity one, according to recognised guidelines), no boiling point can be determined for the test item. Indeed, it start to decompose at temperature higher than 250°C without boiling.
Key value for chemical safety assessment
Additional information
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