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EC number: 701-054-4 | CAS number: -
A first pre-test was conducted and the test item appeared to be degraded at the end of measurements. To confirm that peaks observed during this pretest correspond to thermal degradation and not to transition phases, two more tests were performed and corresponding thermograms were obtained. Moreover the crucible was observed and opened at the end of each trial and the appearance of the test item was checked.
No melting point or boiling point was determined as the substance started degrading above 122.7°C.
This degradation happens in two steps. A first degradation occurs between 122.7 °C and 151.7°C during which the test item colour becomes darker.
The second degradation happens between 236.9°C and 244.0°C. The test item changes into a black carbonised powder. It stays under this form up to 550°C.
For each of these degradations, the test item mass decreases and thus indicates an emission of volatile compounds during the degradation process.
Moreover, the melting point of the Indium respects the checking cards limits(156.5°C for a reference value of 156.6°C) so as its enthalpy(27.94 J/g for a reference value of 28.6 J/g).
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