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EC number: 601-419-7 | CAS number: 1162-60-3
Two experiments were performed to investigate the melting and boiling behaviour of the substance.
DSC EXPERIMENT 1
An endothermic peak was observed between 175°C and 225°C followed by an exothermic effect starting at 255°C (see the illustration below). The extrapolated onset temperature of the first peak was 198.159°C. The endothermic effect was most likely caused by melting of the test item. The exothermic effect wasprobably caused by reaction and/or decomposition of the test item.
After the experiment, a dark brown molten residue remained in the sample container (original colour: off-white). The change of the colour indicated reaction and/or decomposition of the test item.
DSC EXPERIMENT 2
In order to investigate the melting peak, in Experiment 2 heating was stopped directly after the melting effect. The extrapolated onset temperature was 198.322°C. After the experiment, an off-white molten residue remained in the sample container (original colour: off-white). It demonstrated that melting was the reason for the endothermic effect.
The melting temperature was determined as the mean melting temperature of Experiment 1 and Experiment 2.
Differential Scanning Calorimetry (DSC) experiments were performed in a GLP study according to EC A.1, OECD 102 and OPPTS 830.7200.
The melting temperature of the substance was determined in duplicate obtaining a mean value of 198.2°C.
Reaction and/or decomposition of the substance was observed at temperatures > 225°C.
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