Registration Dossier
Registration Dossier
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EC number: 233-297-2 | CAS number: 10108-73-3
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 03 Nov 2005 to 18 Apr 2006
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling point/boiling range)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- other: thermal analysis and capillary method
- Key result
- Atm. press.:
- 982 hPa
- Decomposition:
- yes
- Decomp. temp.:
- ca. 140 °C
- Conclusions:
- Cerium trinitrate decomposes at approxt 140°C before boiling occurs.
- Executive summary:
The boiling point was assessed according to OECD guideline 203 using thermal analysis (differential scanning calorimetry) in the pre-test and using capillary method in the main test.
A test item amount of 45.12 mg was heated up from 25°C to 400°C at a rate of 20°C/min.
The quantities of heat absorbed or released were measured and recorded by differential scanning calorimeter.
In the main test, two capillary runs were performed in the temperature range from 100°C to 400°C with a heating rate of 10°C/min.
These tests showed that the test item decomposed above about 140°C and no boiling could be observed.
Reference
The test item decomposed above approx 140°C and no boiling point could be determined.
Description of key information
In a GLP study applying the capillary method (with visual observations) in accordance with EC test method A.2, cerium trinitrate was determined to decompose above approx 140°C (Weissenfeld, 2006).
Key value for chemical safety assessment
Additional information
Cerium trinitrate decomposes before its boiling point.
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