Registration Dossier
Registration Dossier
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EC number: 237-742-1 | CAS number: 13963-58-1
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:
- 2016-12-06
- 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 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:
- signed 2013-03-22
- Type of method:
- differential scanning calorimetry
- Key result
- Decomposition:
- no
- Sublimation:
- no
- Remarks on result:
- not determinable
- Remarks:
- No melting point in the temperature range 25 °C - 500 °C
- Conclusions:
- The test item Potassium hexacyanocobaltate (III) has no melting point from 25 °C up to a temperature of 500 °C at atmospheric pressure (1020 hPa) as determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.1. and A.2., OECD Test Guideline 102 and 103 (1995).
Reference
In the temperature range of 390 °C – 450 °C, an endothermic effect could be detected. After the measurement the colour of the test item changed from yellow powder to grey sintered solid.
Results of the DSC-measurements
| Sample weight / mg | Start of Effect / °C | Range of effect / °C | Weight loss / mg | Atmospheric pressure / hPa |
| 16.64 | 390 | 390 – 450 (endo) | --- | 1019.8 |
| 15.76 | 390 | 390 – 450 (endo) | --- | 1020.2 |
The test item showed no distinct endothermic signal in the test that can be assigned with a melting of the test item. The very small and broad endothermic effect is caused by another endothermic process (e.g. sintering, gas evolution). Therefore the test item has no melting point in the temperature range 25 °C - 500 °C.
Description of key information
The test item Potassium hexacyanocobaltate (III) has no melting point from 25 °C up to a temperature of 500 °C at atmospheric pressure (1020 hPa) as determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.1. and A.2., OECD Test Guideline 102 and 103 (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.
