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EC number: 215-718-1 | CAS number: 1345-13-7
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:
- 21-12-2017-11-01-2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Principles of method if other than guideline:
- A capillary tube loaded with the sample is placed in a heated metal block. The temperature rises at a suitable pre-selected linear rate. A beam of light through the sample to a photocell is directed. On melting of the sample, the intensity of the light reaching the photocell increases and a stop signal is sent to the digital indicator reading out the temperature of the heating chamber.
- GLP compliance:
- no
- Other quality assurance:
- ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
- Type of method:
- capillary method
- Specific details on test material used for the study:
- If the sample is not fine powdery solid, it should be ground into powder: take a small amount of sample (about 0.5 mL ~ 1 mL), and put it into a mortar and then grind it, until all become fine powder. In order to prevent moisture absorption, the procedure should be carried out under an infrared lamp, or dry the sample after grinding.
- Key result
- Melting / freezing pt.:
- > 400 °C
- Conclusions:
- Based on the test results, The Detection limit of FP90 is 400 °C,so the melting point could be determined to be larger than 400°C,
Reference
Thesamplewasa finepowderysolid,soitdid notneedtobeground into powder.
The test temperature was set to be 400℃,The sample was still unmelted, so the test temperature range was set to be 380℃～400℃.
Results of themeltingpoint rangeareshownin Table1.
Table 1Resultsofthemeltingpoint
No. |
1 |
Analyticalresults |
X |
＞400 |
＞400 |
Y |
＞400 |
|
Z |
＞400 |
Description of key information
Key value for chemical safety assessment
Additional information
Based on the test results,The Detection limit of FP90is 400℃,so the melting point could be determined to be larger than 400℃
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