Registration Dossier
Registration Dossier
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EC number: 604-086-6 | CAS number: 138577-01-2
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2017-08-22 to 2017-08-25
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- 2008
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- 2017-02-28
- Type of method:
- differential scanning calorimetry
- Melting / freezing pt.:
- >= 434 - <= 436 °C
- Atm. press.:
- >= 1 007.5 - <= 1 018 hPa
- Decomposition:
- no
- Sublimation:
- no
- Conclusions:
- The test item Cesium fluoroaluminate has a melting range of 434 – 436 °C at atmospheric pressure (1008 hPa) as determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.1. and OECD Test Guideline 102 (1995).
Reference
In the temperature range of 380 °C – 470 °C an endothermic effect (melting) was observed. No further thermic effects could be observed up to the maximum measured temperature of 500 °C.
Results of the DSC-measurements
| Sample weight [mg] | Onset of Effect [°C] | Range of effect [°C] | Weight loss [mg] | Atmospheric pressure [hPa] |
| 30.45 | 435.67 | 400 – 470 (endo) | 0.45 | 1007.5 |
| 18.74 | 434.06 | 380 – 470 (endo) | 0.11 | 1018.0 |
During the heating phase a distinct endothermic effect was observed in the temperature range of 380 – 470 °C, which can be assigned to the melting of the test item. As the onset temperatures in both tests deviate by more than 0.5 K from their mean value of 434.87 °C, this temperature can be used as melting point. The test item has a melting range of 434 – 436 °C.
Since no further endothermic effects could be observed up to the maximum test temperatur of 500 °C, it can be stated that the test item has no boiling point up to 500 °C.
Description of key information
The test item Cesium fluoroaluminate has a melting range of 434 – 436 °C at atmospheric pressure (1008 hPa) as determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.1. and OECD Test Guideline 102 (1995).
Key value for chemical safety assessment
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
