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EC number: 617-648-0 | CAS number: 849727-62-4
From the TGA curve it could be derived that the weight of the sample decreased significantly at 225°C. At 364°C the sample weight has decreased by 25%. After the experiment, a black molten residue remained in the sample container (original colour: almost white to ochre). The change of the colour indicated reaction and/or decomposition of the test item.
In order to determine the melting more precisely, the DSC curve with a heating rate of 20°C/min showed an endothermic peak followed by several exothermic peaks between 175°C and 364°C. The extrapolated onset temperature of the endothermic peak was 225.32°C. The endothermic effect was most likely obtained due to melting. The exothermic effects were due to reaction and/or decomposition of the test item. After the experiment, a red/brown residue was observed on the lid of the sample container and a dark brown molten residue remained in the sample container. To investigate the endothermic peak, a repeated heating cycle was applied. The extrapolated onset temperature of the melting peak was 224.40°C. After the experiment, a light brown molten residue remained in the sample container. It demonstrated that melting and reaction and/or decomposition of the test item was the reason for the endothermic effect. The melting temperature of T002006 was determined as the average melting temperature obtained from Experiment 1 and Experiment 2 and equals 224.9°C (498.0K).
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