Abstract
Abstract Dimethyl anilinium perchlorates (DMAP) have been prepared and characterised. Thermolysis of these salts induced by heat and drop-weight impact has been investigated by TG, DTA, explosion delay, explosion temperature, impact and friction sensitivity measurements. The explosion temperatures (ET & ET∗), explosion delay (DE) and activation energy for explosion (E∗) have been found to be quite lower for 3,4-substituted perchlorate as compared to 2,5- and 2,4-substituted salts. However, 3,4-DMAP has been found to be less sensitive towards impact and friction. The role of substituents (methyl) have been discussed based on experimental results. The mechanism of early thermolysis reactions prior to explosion have also been suggested.
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